Sidebar

Categories

Product sourcing information

McGrocer independently shops products from UK retail channels on your behalf and consolidates them for international delivery. McGrocer is not affiliated with, endorsed by, or an authorised retailer of any brand or retailer shown on this page.

Costco UK

Groceries | Bulk | Specialty

Costco UK is a membership-only warehouse club offering bulk groceries, household items, electronics, and specialty products at competitive prices. Orders are picked and packed by McGrocer Shoppers, and then delivered by our delivery partners — not the retailer (Costco UK).

Official Costco UK website
Filter
Sort by
  • Costco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring Platinum Size M- Buy online at McGrocerCostco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring Platinum Size M- Buy online at McGrocer
    1
    1
    £3,487.99
    £3,487.99

    Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring Platinum Size M

    Shopped From: Costco UK
    Total Diamonds 31 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.70ct Total Diamond Weight 0.97ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Metal Platinum Ring Size M Birthstone Month April
  • Costco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum- Buy online at McGrocerCostco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum- Buy online at McGrocer
    1
    1
    £3,487.99
    £3,487.99

    Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum

    Shopped From: Costco UK
    Diamond Cut Round Brilliant Centre Diamond Weight 0.70ct Total Diamond Weight 0.97ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Birthstone Month April Available Sizes J-N
  • Costco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum, Size L- Buy online at McGrocerCostco UK Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum, Size L- Buy online at McGrocer
    1
    1
    £3,487.99
    £3,487.99

    Costco 0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum, Size L

    Shopped From: Costco UK
    Total Diamonds 31 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.70ct Total Diamond Weight 0.97ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Ring Size L Birthstone Month April
  • Costco UK Costco 1.00ct Pear Cut Diamond Ring Platinum Size N- Buy online at McGrocerCostco UK Costco 1.00ct Pear Cut Diamond Ring Platinum Size N- Buy online at McGrocer
    1
    1
    £4,686.99
    £4,686.99

    Costco 1.00ct Pear Cut Diamond Ring Platinum Size N

    Shopped From: Costco UK
    Total Diamonds 1 Total Diamond Weight 1.00ct Diamond Carat 1.00ct Diamond Cut Pear Diamond Colour H Diamond Clarity VS2 Metal Platinum Birthstone Month April Material Diamond Type Diamond Ring, Solitaire Ring Ring Size N
  • Costco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size K- Buy online at McGrocerCostco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size K- Buy online at McGrocer
    1
    1
    £4,316.38
    £4,316.38

    Costco 1.00ct Princess Cut Diamond Solitaire Ring Size K

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total Diamonds 1 Total Diamond Weight 1.00ct Diamond Cut Princess Diamond Colour I Centre Diamond Clarity VS2 Metal 950...
  • Costco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size L- Buy online at McGrocerCostco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size L- Buy online at McGrocer
    1
    1
    £4,316.38
    £4,316.38

    Costco 1.00ct Princess Cut Diamond Solitaire Ring Size L

    Shopped From: Costco UK
    When purchasing an article of jewellery with a 1.00ct center diamond or larger, you will receive a Diamond Grading Report from the Gemological Institute of America (GIA) detailing and mapping the diamond. We guarantee that all diamonds supplied are as follows: Clarity to be...
  • Costco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size M- Buy online at McGrocerCostco UK Costco 1.00ct Princess Cut Diamond Solitaire Ring Size M- Buy online at McGrocer
    1
    1
    £4,316.38
    £4,316.38

    Costco 1.00ct Princess Cut Diamond Solitaire Ring Size M

    Shopped From: Costco UK
    Total Diamonds: 1Total Diamond Weight: 1.00ctDiamond Cut: PrincessDiamond Colour: ICentre Diamond Clarity: VS2950 PlatinumWhen purchasing an article of jewellery with a 1.00ct center diamond or larger, you will receive a Diamond Grading Report from the Gemological Institute of America (GIA) detailing and mapping the...
  • Costco UK Costco 1.00ct Round Brilliant Cut Diamond Solitaire Ring in Platinum- Buy online at McGrocerCostco UK Costco 1.00ct Round Brilliant Cut Diamond Solitaire Ring in Platinum- Buy online at McGrocer
    1
    1
    £5,231.98
    £5,231.98

    Costco 1.00ct Round Brilliant Cut Diamond Solitaire Ring in Platinum

    Shopped From: Costco UK
    Type: Diamond Ring, Solitaire Ring Diamond Carat: 1.00ct Diamond Cut: Round Brilliant Diamond Colour: I Diamond Clarity: VS2 Metal: 950 Platinum Total Diamonds: 1 Centre Diamond Weight: 1.00ct April Birthstone Available in sizes J-N
  • Costco UK Costco 1.00ct Square Step Cut Diamond Solitaire Ring, Platinum - Size N- Buy online at McGrocerCostco UK Costco 1.00ct Square Step Cut Diamond Solitaire Ring, Platinum - Size N- Buy online at McGrocer
    1
    1
    £3,923.98
    £3,923.98

    Costco 1.00ct Square Step Cut Diamond Solitaire Ring, Platinum - Size N

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total Diamonds: 1 Total Diamond Weight: 1.00ct Diamond Cut: Square Step Diamond Colour: I Diamond Clarity: VS2 950 Platinum...
  • Costco UK Costco 1.00ctw Diamond Cross Pendant 14ct White Gold Necklace 18 Inches- Buy online at McGrocerCostco UK Costco 1.00ctw Diamond Cross Pendant 14ct White Gold Necklace 18 Inches- Buy online at McGrocer
    Notify me
    Notify me
    £2,033.98
    £2,033.98

    Costco 1.00ctw Diamond Cross Pendant 14ct White Gold Necklace 18 Inches

    Shopped From: Costco UK
    High quality 1.00ctw diamond necklace crafted in 14ct white gold. Features Round Brilliant Cut diamonds with G colour and VS2 clarity.Chain length measures 45.7cm/18 inches and can be adjusted to 40.6cm/16 inches. Securely fastens with a Bolt Ring Clasp.All diamonds are inspected by independent...
    Notify me
  • Costco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold

    Shopped From: Costco UK
    Total Diamonds: 3 Diamond Cut: Emerald Side Diamond Cut: Emerald Centre Diamond Weight: 0.60ct Total Diamond Weight: 1.00ctw Diamond Colour: I Diamond Clarity: VS2 Metal: 18ct White Gold Birthstone Month: April Available in sizes J-N
  • Costco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold Size J- Buy online at McGrocerCostco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold Size J- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring 18ct White Gold Size J

    Shopped From: Costco UK
    Attribute Value Total Diamonds 3 Diamond Cut Emerald Side Diamond Cut Emerald Centre Diamond Weight 0.60ct Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size J Birthstone Month April
  • Costco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring, 18ct White Gold - Size M- Buy online at McGrocerCostco UK Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring, 18ct White Gold - Size M- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Emerald Cut Diamond 3 Stone Ring, 18ct White Gold - Size M

    Shopped From: Costco UK
    Costco's experienced buying team works with our suppliers to select timeless styles and create well-crafted and comfortable jewellery. An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations.We guarantee...
  • Costco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold - Size J- Buy online at McGrocerCostco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold - Size J- Buy online at McGrocer
    1
    1
    £2,711.99
    £2,711.99

    Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold - Size J

    Shopped From: Costco UK
    Total Diamonds 3 Diamond Cut Princess Side Diamond Cut Princess Centre Diamond Weight 0.50ct Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size J Birthstone Month April
  • Costco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size K- Buy online at McGrocerCostco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size K- Buy online at McGrocer
    1
    1
    £2,711.99
    £2,711.99

    Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size K

    Shopped From: Costco UK
    Total Diamonds: 3 Diamond Cut: Princess Side Diamond Cut: Princess Centre Diamond Weight: 0.50ct Total Diamond Weight: 1.00ctw Diamond Colour: I Diamond Clarity: VS2 18ct White Gold April Birthstone Ring Size: K
  • Costco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size L- Buy online at McGrocerCostco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size L- Buy online at McGrocer
    1
    1
    £2,711.99
    £2,711.99

    Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size L

    Shopped From: Costco UK
    Total Diamonds 3 Diamond Cut Princess Side Diamond Cut Princess Centre Diamond Weight 0.50ct Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size L Birthstone Month April
  • Costco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size M- Buy online at McGrocerCostco UK Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size M- Buy online at McGrocer
    1
    1
    £2,711.99
    £2,711.99

    Costco 1.00ctw Princess Cut Diamond 3 Stone Ring 18ct White Gold Size M

    Shopped From: Costco UK
    Total Diamonds: 3 Diamond Cut: Princess Side Diamond Cut: Princess Centre Diamond Weight: 0.50ct Total Diamond Weight: 1.00ctw Diamond Colour: I Diamond Clarity: VS2 18ct White Gold Ring Size: M Birthstone: April We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity...
  • Costco UK Costco 1.00ctw Round Brilliant Cut and Baguette Cut Diamond Earrings 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut and Baguette Cut Diamond Earrings 18ct White Gold- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Round Brilliant Cut and Baguette Cut Diamond Earrings 18ct White Gold

    Shopped From: Costco UK
    Total Diamonds 66 Diamond Cut Round Brilliant & Baguette Cut Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Earring Width 9mm Earring Length 10.3mm Metal 18ct White Gold Earring Back Push Back Birthstone Month April
  • Costco UK Costco 1.00ctw Round Brilliant Cut Channel Set Diamond Eternity Ring 18ct White Gold Size P- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Channel Set Diamond Eternity Ring 18ct White Gold Size P- Buy online at McGrocer
    1
    1
    £1,242.99
    £1,242.99

    Costco 1.00ctw Round Brilliant Cut Channel Set Diamond Eternity Ring 18ct White Gold Size P

    Shopped From: Costco UK
    Total Diamonds: 22-30 Round Brilliant Cut Diamonds (depending on ring size) Width: 3.0 - 3.1mm Total Diamond Weight: 1.00ctw Diamond Colour: I Diamond Clarity: VS2 18ct White Gold Please Note: This ring cannot be re-sized
  • Costco UK Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring 18ct White Gold Size P- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring 18ct White Gold Size P- Buy online at McGrocer
    1
    1
    £1,355.98
    £1,355.98

    Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring 18ct White Gold Size P

    Shopped From: Costco UK
    Please Note: This ring cannot be re-sized. Attribute Value Total Diamonds 22-30 Round Brilliant Cut Diamonds (depending on ring size) Width 2.6mm Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size P Diamond Carat 1.00ctw Diamond Cut...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold - Size L- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold - Size L- Buy online at McGrocer
    1
    1
    £1,355.98
    £1,355.98

    Costco 1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold - Size L

    Shopped From: Costco UK
    Costco makes purchasing quality jewellery easy by offering only the industry's highest quality diamonds at the lowest possible price. Costco's experienced buying team works with our suppliers to select timeless styles and create wellcrafted and comfortable jewellery. An Independent Gemologist inspects each piece for...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Claw Set Eternity Ring 18ct Yellow Gold in 6 Sizes- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Claw Set Eternity Ring 18ct Yellow Gold in 6 Sizes- Buy online at McGrocer
    1
    1
    £1,299.49
    £1,299.49

    Costco 1.00ctw Round Brilliant Cut Claw Set Eternity Ring 18ct Yellow Gold in 6 Sizes

    Shopped From: Costco UK
    Total Diamonds: 22-30 Round Brilliant Cut Diamonds (depending on ring size)Width: 2.6mmTotal Diamond Weight: 1.00ctwDiamond Colour: IDiamond Clarity: VS2Metal: 18ct Yellow GoldPlease Note: This ring cannot be re-sized.We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size K- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size K- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size K

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total Diamonds: 3 Diamond Cut: Round Brilliant Side Diamond Cut: Round Brilliant Centre Diamond Weight: 0.40ct Total Diamond Weight:...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size N- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size N- Buy online at McGrocer
    1
    1
    £2,711.98
    £2,711.98

    Costco 1.00ctw Round Brilliant Cut Diamond 3 Stone Ring 18ct White Gold Size N

    Shopped From: Costco UK
    Attribute Value Total Diamonds 3 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.40ct Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size N Birthstone Month April
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond 5-Stone Necklace 14ct White Gold- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond 5-Stone Necklace 14ct White Gold- Buy online at McGrocer
    1
    1
    £3,051.99
    £3,051.99

    Costco 1.00ctw Round Brilliant Cut Diamond 5-Stone Necklace 14ct White Gold

    Shopped From: Costco UK
    Total Diamonds 5 Diamond Cut Round Brilliant Total Diamond Weight 1.00ctw Diamond Colour G Diamond Clarity VS2 Pendant Width 18.3mm Pendant Length 7.10mm Metal 14ct White Gold Chain Length 45.7cm / 18 inches Clasp Type Lobster Clasp Material Diamond Type Diamond Necklace Birthstone Month...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond Dangle Hoop Earrings 14ct White Gold- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond Dangle Hoop Earrings 14ct White Gold- Buy online at McGrocer
    1
    1
    £2,146.99
    £2,146.99

    Costco 1.00ctw Round Brilliant Cut Diamond Dangle Hoop Earrings 14ct White Gold

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total Diamonds: 18 Diamond Cut: Round Brilliant Total Diamond Weight: 1.00ctw Diamond Colour: G Diamond Clarity: VS2 14ct White...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond Eternity Ring 18ct Yellow Gold Size L- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond Eternity Ring 18ct Yellow Gold Size L- Buy online at McGrocer
    1
    1
    £1,299.49
    £1,299.49

    Costco 1.00ctw Round Brilliant Cut Diamond Eternity Ring 18ct Yellow Gold Size L

    Shopped From: Costco UK
    Total Diamonds: 22-30 Round Brilliant Cut Diamonds (depending on ring size) Width 2.6mm Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct Yellow Gold Sizes K-P (not sizeable) We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to...
  • Costco UK Costco 1.00ctw Round Brilliant Cut Diamond Halo Pendant, 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.00ctw Round Brilliant Cut Diamond Halo Pendant, 18ct White Gold- Buy online at McGrocer
    1
    1
    £4,359.99
    £4,359.99

    Costco 1.00ctw Round Brilliant Cut Diamond Halo Pendant, 18ct White Gold

    Shopped From: Costco UK
    Attribute Value Total Diamonds 50 Diamond Cut Round Brilliant Total Diamond Weight 1.00ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Chain Length 45.7cm/18 inches (adjustable to 40.6cm/16 inches) Clasp Lobster Birthstone Month April Material Diamond Type Diamond Necklace We guarantee that...
  • Costco UK Costco 1.22ctw Round Brilliant Cut Diamond Earrings, 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.22ctw Round Brilliant Cut Diamond Earrings, 18ct White Gold- Buy online at McGrocer
    1
    1
    £3,400.78
    £3,400.78

    Costco 1.22ctw Round Brilliant Cut Diamond Earrings, 18ct White Gold

    Shopped From: Costco UK
    Total Diamonds 34 Diamond Cut Round Brilliant Total Diamond Weight 1.22ctw Diamond Colour I Diamond Clarity VS2 Earring Width 8mm Earring Length 8mm Metal 18ct White Gold Earring Back Push Back Birthstone Month April
  • Costco UK Costco 1.24ctw Baguette Cut Diamond Necklace 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.24ctw Baguette Cut Diamond Necklace 18ct White Gold- Buy online at McGrocer
    1
    1
    £2,146.99
    £2,146.99

    Costco 1.24ctw Baguette Cut Diamond Necklace 18ct White Gold

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Attribute Value Total Diamonds 13 Diamond Cut Baguette Total Diamond Weight 1.24ctw Diamond Colour I Diamond Clarity VS2 Metal...
  • Costco UK Costco 1.35ctw Round Brilliant Cut Diamond Halo Pendant 14ct Yellow Gold- Buy online at McGrocerCostco UK Costco 1.35ctw Round Brilliant Cut Diamond Halo Pendant 14ct Yellow Gold- Buy online at McGrocer
    1
    1
    £3,487.99
    £3,487.99

    Costco 1.35ctw Round Brilliant Cut Diamond Halo Pendant 14ct Yellow Gold

    Shopped From: Costco UK
    Total Diamonds 11 Diamond Cut Round Brilliant Centre Diamond Weight 0.70ct Total Diamond Weight 1.35ctw Diamond Colour I Diamond Clarity VS2 Metal 14ct Yellow Gold Chain Length 45.7cm / 18 inches Clasp Lobster Birthstone Month April Material Diamond Type Diamond Necklace We guarantee that...
  • Costco UK Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size J- Buy online at McGrocerCostco UK Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size J- Buy online at McGrocer
    1
    1
    £11,231.98
    £11,231.98

    Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size J

    Shopped From: Costco UK
    When purchasing an article of jewellery with a 1.00ct center diamond or larger, you will receive a Diamond Grading Report from the Gemological Institute of America (GIA) detailing and mapping the diamond.We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to...
  • Costco UK Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size K- Buy online at McGrocerCostco UK Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size K- Buy online at McGrocer
    1
    1
    £11,231.98
    £11,231.98

    Costco 1.50ct Round Brilliant Cut Diamond Solitaire Ring Size K

    Shopped From: Costco UK
    An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total Diamonds: 1 Total Diamond Weight: 1.50ct Diamond Cut: Round Brilliant Diamond Colour: I Centre Diamond Clarity: VS2 950...
  • Costco UK Costco 1.50ctw Round Brilliant Cut 10 Stone Diamond Ring, Platinum, Size N- Buy online at McGrocerCostco UK Costco 1.50ctw Round Brilliant Cut 10 Stone Diamond Ring, Platinum, Size N- Buy online at McGrocer
    1
    1
    £2,598.99
    £2,598.99

    Costco 1.50ctw Round Brilliant Cut 10 Stone Diamond Ring, Platinum, Size N

    Shopped From: Costco UK
    Total Diamonds: 10 Diamond Cut: Round Brilliant Total Diamond Weight: 1.50ctw Diamond Colour: I Diamond Clarity: VS2 Metal: 950 Platinum Ring Size: N Birthstone: April
  • Costco UK Costco 1.52ctw Princess & Round Brilliant Cut Diamond Hoop Earrings, 18ct White Gold- Buy online at McGrocerCostco UK Costco 1.52ctw Princess & Round Brilliant Cut Diamond Hoop Earrings, 18ct White Gold- Buy online at McGrocer
    1
    1
    £3,008.38
    £3,008.38

    Costco 1.52ctw Princess & Round Brilliant Cut Diamond Hoop Earrings, 18ct White Gold

    Shopped From: Costco UK
    Costco's experienced buying team works with our suppliers to select timeless styles and create well-crafted and comfortable jewellery. An Independent Gemologist inspects each piece for quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations. Total...
  • Costco UK Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold - Size J- Buy online at McGrocerCostco UK Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold - Size J- Buy online at McGrocer
    1
    1
    £4,970.39
    £4,970.39

    Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold - Size J

    Shopped From: Costco UK
    Total Diamonds 5 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.65ct Total Diamond Weight 1.57ctw Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size J Birthstone Month April
  • Costco UK Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold Size M- Buy online at McGrocerCostco UK Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold Size M- Buy online at McGrocer
    1
    1
    £4,970.39
    £4,970.39

    Costco 1.57ctw Round Brilliant Cut Diamond 5 Stone Ring 18ct White Gold Size M

    Shopped From: Costco UK
    Costco makes purchasing quality jewellery easy by offering only the industry's highest quality diamonds at the lowest possible price. Costco's experienced buying team works with our suppliers to select timeless styles and create well-crafted and comfortable jewellery. An Independent Gemologist inspects each piece for...
  • Costco UK Costco 1.60ctw Round Brilliant Cut Diamond Pendant 14ct White Gold- Buy online at McGrocerCostco UK Costco 1.60ctw Round Brilliant Cut Diamond Pendant 14ct White Gold- Buy online at McGrocer
    1
    1
    £6,677.98
    £6,677.98

    Costco 1.60ctw Round Brilliant Cut Diamond Pendant 14ct White Gold

    Shopped From: Costco UK
    Total Diamonds 15 Round Brilliant Cut Diamonds Total Diamond Weight 1.60ctw Centre Diamond Weight 0.90ct Diamond Colour I Diamond Clarity VS2 Metal 14ct White Gold Chain Length 45.7cm/18 inches Diamond Cut Round Brilliant Birthstone Month April Material Diamond Type Diamond Necklace We guarantee that...
  • Costco UK Costco 14ct Yellow Gold Heart Necklace- Buy online at McGrocerCostco UK Costco 14ct Yellow Gold Heart Necklace- Buy online at McGrocer
    1
    1
    £702.09
    £702.09

    Costco 14ct Yellow Gold Heart Necklace

    Shopped From: Costco UK
    Features: Metal: 14ct Yellow Gold Finish: Polished Length: 43.1cm/17 inches Clasp: T-Bar Approximate Gold Weight: 4.0g Made In: Italy Type: Gold Necklace
  • Costco UK Costco 14ct Yellow Gold Heart Pendant Necklace 18 inches- Buy online at McGrocerCostco UK Costco 14ct Yellow Gold Heart Pendant Necklace 18 inches- Buy online at McGrocer
    1
    1
    £448.79
    £448.79

    Costco 14ct Yellow Gold Heart Pendant Necklace 18 inches

    Shopped From: Costco UK
    Metal: 14ct Yellow Gold Finish: Polished Necklace Length: 45.7cm/18 inches Pendant Width: 11.00mm Pendant Length: 16.70mm Clasp Type: Bolt Approximate Gold Weight: 1.9g

Costco UK and the Costco UK logo are registered trademarks of Costco UK or its respective owner. McGrocer has no affiliation with Costco UK or its subsidiaries. Product availability and pricing are subject to change. McGrocer shops on a best-efforts basis as your independent purchasing agent.