Costco UK – McGrocer

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

0.15ctw Round Brilliant Cut Diamond Circle Necklace 14ct Yellow Gold

1

1

£856.78

£856.78

Unit price

per

0.15ctw Round Brilliant Cut Diamond Circle Necklace 14ct Yellow Gold

Shopped From: Costco UK

Total Diamonds: 8 Diamond Cut: Round Brilliant Total Diamond Weight: 0.15ctw Diamond Colour: I Diamond Clarity: VS2 Metal: 14ct Yellow Gold Chain Length: 45.7cm / 18 inches (adjustable to 40.6cm / 16 inches) Clasp: Lobster Birthstone: April
0.15ctw Round Brilliant Cut Diamond Pendant, 14ct Yellow Gold

1

1

£690.19

£690.19

Unit price

per

0.15ctw Round Brilliant Cut Diamond Pendant, 14ct Yellow Gold

Shopped From: Costco UK

Total Diamonds 24 Diamond Cut Round Brilliant Total Diamond Weight 0.15ctw Diamond Colour I Diamond Clarity VS2 Metal 14ct Yellow Gold Chain Length 45.7cm/18 inches (adjustable to 50.8cm/20 inches) Birthstone Month April Material Diamond Type Diamond Necklace
0.25ctw Cross Hoop Diamond Earrings, 14ct Rose Gold

1

1

£1,035.28

£1,035.28

Unit price

per

0.25ctw Cross Hoop Diamond Earrings, 14ct Rose 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.We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better and colour to...
0.27ctw Diamond Paperclip Pendant with 18 Inch Chain in 14ct Yellow Gold

1

1

£856.78

£856.78

Unit price

per

0.27ctw Diamond Paperclip Pendant with 18 Inch Chain in 14ct Yellow Gold

Shopped From: Costco UK

14ct Yellow Gold with 0.27ctw diamond. Round brilliant cut, April birthstone. Chain length 18 inches, adjustable to 16 inches with lobster clasp.Total diamonds: 18. Diamond cut: round brilliant. Total diamond weight: 0.27ctw. Diamond colour: I. Diamond clarity: VS2.Guaranteed that all diamonds are VS2 or...
0.30ctw Round Brilliant Cut Diamond Twist Hoop Earrings, 18ct White Gold

1

1

£1,070.98

£1,070.98

Unit price

per

0.30ctw Round Brilliant Cut Diamond Twist Hoop Earrings, 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 40 Diamond Cut Round Brilliant Total Diamond Weight 0.30ctw Diamond Colour I Diamond Clarity VS2...
0.39ctw Round Brilliant Cut Diamond Knot Pendant, 18ct White Gold

1

1

£1,142.38

£1,142.38

Unit price

per

0.39ctw Round Brilliant Cut Diamond Knot Pendant, 18ct White Gold

Shopped From: Costco UK

Attribute Value Total Diamonds 66 Diamond Cut Round Brilliant Total Diamond Weight 0.39ctw Pendant Width 13.1mm Pendant Length 29.2mm Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Chain Length 45.7cm / 18 inches (adjustable to 40.6cm / 16 inches) Clasp Type Bolt...
0.50ct Princess Cut Diamond Solitaire Ring Platinum

1

1

£1,288.18

£1,288.18

Unit price

per

0.50ct Princess Cut Diamond Solitaire Ring Platinum

Shopped From: Costco UK

Total Diamonds: 1 Total Diamond Weight: 0.50ct Diamond Cut: Princess Diamond Colour: I Centre Diamond Clarity: VS2 Metal: 950 Platinum April Birthstone Available in sizes J-N Type: Diamond Ring, Solitaire Ring
0.50ctw Princess Cut Diamond Half Eternity Ring 18ct White Gold Size P

1

1

£1,070.98

£1,070.98

Unit price

per

0.50ctw Princess Cut Diamond Half Eternity Ring 18ct White Gold Size P

Shopped From: Costco UK

We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better and colour to be I or better as outlined on the industry grading guide. Total Diamonds 9-11 Princess Cut Diamonds (depending on ring size) Width 3.5mm Total...
0.50ctw Round Brilliant Cut Diamond Cross Pendant 14ct White Gold

1

1

£1,355.98

£1,355.98

Unit price

per

0.50ctw Round Brilliant Cut Diamond Cross Pendant 14ct White Gold

Shopped From: Costco UK

Diamond Cross Pendant in 14ct White Gold. Total Diamonds: 6 Diamond Cut: Round Brilliant Total Diamond Weight: 0.50ctw Diamond Colour: I Diamond Clarity: VS2 Chain Length: 45.7cm/18 inches (adjustable to 40.6cm/16 inches) Clasp Type: Lobster Clasp Birthstone Month: April
0.50ctw Round Brilliant Cut Diamond Half Eternity Ring, 18ct White Gold - Size L

1

1

£1,130.49

£1,130.49

Unit price

per

0.50ctw Round Brilliant Cut Diamond Half Eternity Ring, 18ct White Gold - Size L

Shopped From: Costco UK

Total Diamonds 8-11 Round Brilliant Cut Diamonds (depending on ring size) Width 3mm Total Diamond Weight 0.50ctw Individual Diamond Weight 0.04-0.06ct Diamond Colour I Diamond Clarity VS2 Metal 18ct White Gold Ring Size L Available Sizes L, N, P (sizeable up to 1 size)...
0.50ctw Round Brilliant Cut Diamond Pendant 14ct White Gold

1

1

£1,070.98

£1,070.98

Unit price

per

0.50ctw Round Brilliant Cut Diamond Pendant 14ct White Gold

Shopped From: Costco UK

Total Diamonds 30 Diamond Cut Round Brilliant Total Diamond Weight 0.50ctw Diamond Colour I Diamond Clarity VS2 Pendant Width 11.4mm Pendant Length 19.8mm Metal 14ct White Gold Chain Length 45.7cm/18 inches Clasp Type Lobster Clasp
0.50ctw Round Brilliant Cut Diamond Pendant in 18ct White Gold

1

1

£1,189.99

£1,189.99

Unit price

per

0.50ctw Round Brilliant Cut Diamond Pendant in 18ct White Gold

Shopped From: Costco UK

Total Diamonds 21 Diamond Cut Round Brilliant Total Diamond Weight 0.50ctw Diamond Colour I Diamond Clarity VS2 Pendant Width 9.1mm Pendant Length 9.1mm Metal 18ct White Gold Chain Length 40.6cm/16 inches (adjustable to 43.1cm/17 inches) Clasp Type Lobster Clasp Birthstone Month April
0.54ctw Oval and Round Brilliant Cut Diamond Halo Ring Platinum Size K

1

1

£1,898.39

£1,898.39

Unit price

per

0.54ctw Oval and Round Brilliant Cut Diamond Halo Ring Platinum 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. We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better and colour...
0.54ctw Oval and Round Brilliant Cut Diamond Halo Ring Platinum Size M

1

1

£1,898.39

£1,898.39

Unit price

per

0.54ctw Oval and Round Brilliant Cut Diamond Halo Ring Platinum Size M

Shopped From: Costco UK

Type Diamond Ring Metal Platinum Total Diamond Weight 0.54ctw Centre Diamond Weight 0.40ctw Total Diamonds 15 Diamond Cut Oval Side Diamond Cut Round Brilliant Diamond Colour I Diamond Clarity VS2 Ring Size M Birthstone Month April
0.58ctw Pear and Round Brilliant Cut Diamond Pendant, 18ct White Gold

1

1

£2,033.98

£2,033.98

Unit price

per

0.58ctw Pear and Round Brilliant Cut Diamond Pendant, 18ct White Gold

Shopped From: Costco UK

Total Diamonds: 41 Diamond Cut: Round Brilliant & Pear Centre Diamond Weight: 0.40ct Total Diamond Weight: 0.58ctw Diamond Colour: I Diamond Clarity: VS2 18ct White Gold Chain Length: 45.7cm/18 inches (adjustable to 40.6cm/16 inches) Clasp: Lobster Birthstone Month: April
0.64ctw Round Brilliant Cut Diamond Halo Ring in Platinum, Size N

1

1

£2,146.99

£2,146.99

Unit price

per

0.64ctw Round Brilliant Cut Diamond Halo Ring in Platinum, Size N

Shopped From: Costco UK

Material Diamond Type Diamond Ring Diamond Carat 0.64ctw Diamond Cut Round Brilliant Diamond Clarity VS2 Diamond Colour I Metal Platinum Birthstone Month April Total Diamonds 15 Centre Diamond Weight 0.50ct Side Diamond Cut Round Brilliant Ring Size N
0.64ctw Round Brilliant Cut Diamond Halo Ring, Platinum - Size M

1

1

£2,146.99

£2,146.99

Unit price

per

0.64ctw Round Brilliant Cut Diamond Halo Ring, Platinum - Size M

Shopped From: Costco UK

Total Diamonds 15 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.50ct Total Diamond Weight 0.64ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Birthstone Month April Ring Size M
0.70ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

1

1

£2,576.38

£2,576.38

Unit price

per

0.70ct Round Brilliant Cut Diamond Solitaire Ring, Platinum

Shopped From: Costco UK

Platinum solitaire ring featuring a 0.70ct round brilliant cut diamond, colour I, clarity VS2. Available in ring sizes J to N. Specification Detail Number of Diamonds 1 Total Diamond Weight 0.70ct Diamond Cut Round Brilliant Diamond Colour I Diamond Clarity VS2 Metal 950 Platinum...
0.74ctw Princess & Round Brilliant Cut Diamond Ring, Platinum - Size L

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Princess & Round Brilliant Cut Diamond Ring, Platinum - Size L

Shopped From: Costco UK

Total Diamonds 19 Diamond Cut Princess Side Diamond Cut Round Brilliant Centre Diamond Weight 0.50ct Total Diamond Weight 0.74ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Birthstone April Ring Size L
0.74ctw Princess and Round Brilliant Cut Diamond Ring, Platinum

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Princess and Round Brilliant Cut Diamond Ring, Platinum

Shopped From: Costco UK

Total Diamonds 19 Diamond Cut Princess Side Diamond Cut Round Brilliant Centre Diamond Weight 0.50ct Total Diamond Weight 0.74ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Available Sizes J-N Birthstone April
0.74ctw Round Brilliant Cut Diamond Ring - Platinum - Size J

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Round Brilliant Cut Diamond Ring - Platinum - Size J

Shopped From: Costco UK

Platinum ring with 0.74ctw round brilliant cut diamonds, centre diamond 0.50ct, colour I, clarity VS2, size J. April birthstone. Total Diamonds 19 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.50ct Total Diamond Weight 0.74ctw Diamond Colour I Diamond Clarity...
0.74ctw Round Brilliant Cut Diamond Ring in Platinum - Size M

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Round Brilliant Cut Diamond Ring in Platinum - Size M

Shopped From: Costco UK

Total Diamonds: 19 Diamond Cut: Round Brilliant Centre Diamond Weight: 0.50ct Total Diamond Weight: 0.74ctw Diamond Colour: I Diamond Clarity: VS2 Metal: Platinum Ring Size: M Birthstone Month: April
0.74ctw Round Brilliant Cut Diamond Ring, Platinum

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Round Brilliant Cut Diamond Ring, Platinum

Shopped From: Costco UK

Total Diamonds 19 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre Diamond Weight 0.50ct Total Diamond Weight 0.74ctw Diamond Colour I Diamond Clarity VS2 Metal Platinum Birthstone Month April Available Sizes J-N
0.74ctw Round Brilliant Cut Diamond Ring, Platinum - Size L

1

1

£2,146.99

£2,146.99

Unit price

per

0.74ctw Round Brilliant Cut Diamond Ring, Platinum - Size L

Shopped From: Costco UK

We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better and colour to be I or better as outlined on the industry grading guide. Total Diamonds 19 Diamond Cut Round Brilliant Side Diamond Cut Round Brilliant Centre...
0.76ctw Emerald & Round Brilliant Cut Diamond Ring - Platinum - Size M

1

1

£2,305.19

£2,305.19

Unit price

per

0.76ctw Emerald & Round Brilliant Cut Diamond Ring - Platinum - Size M

Shopped From: Costco UK

Total Diamonds: 19 Centre Diamond Weight: 0.60ct Total Diamond Weight: 0.76ctw Diamond Cut: Emerald Side Diamond Cut: Round Brilliant Diamond Colour: I Diamond Clarity: VS2 Metal: Platinum Ring Size: M Birthstone Month: April
0.90ctw Pear and Round Brilliant Cut Diamond Halo Ring, Platinum

1

1

£3,269.98

£3,269.98

Unit price

per

0.90ctw Pear and Round Brilliant Cut Diamond Halo Ring, Platinum

Shopped From: Costco UK

Total Diamonds: 19 Diamond Cut: Pear Side Diamond Cut: Round Brilliant Centre Diamond Weight: 0.75ct Total Diamond Weight: 0.90ctw Diamond Colour: I Diamond Clarity: VS2 Metal: Platinum Birthstone: April Available in sizes J-N
0.90ctw Round Brilliant Cut Diamond Flower Stud Earrings, 14ct White Gold

1

1

£1,242.99

£1,242.99

Unit price

per

0.90ctw Round Brilliant Cut Diamond Flower Stud Earrings, 14ct White Gold

Shopped From: Costco UK

Total Diamonds 34 Diamond Cut Round Brilliant Total Diamond Weight 0.90ctw Diamond Colour I Diamond Clarity VS2 Metal 14ct White Gold Earring Back Push Backs Birthstone Month April Material Diamond Type Diamond Earrings
0.90ctw Round Brilliant Cut Diamond Ring 14ct Yellow Gold Size N

1

1

£1,299.49

£1,299.49

Unit price

per

0.90ctw Round Brilliant Cut Diamond Ring 14ct Yellow Gold Size N

Shopped From: Costco UK

14ct Yellow Gold0.90ctw DiamondRound Brilliant CutApril BirthstoneRing Size: N Total Diamonds 32 Diamond Cut Round Brilliant Diamond Weight 0.90ctw Diamond Colour I Diamond Clarity VS2 Metal Yellow Gold Type Diamond Ring We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to...
0.97ctw Round Brilliant Cut Diamond Halo Ring Platinum Size N

1

1

£3,487.99

£3,487.99

Unit price

per

0.97ctw Round Brilliant Cut Diamond Halo Ring Platinum Size N

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 N Birthstone Month April
0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum, Size J

1

1

£3,487.99

£3,487.99

Unit price

per

0.97ctw Round Brilliant Cut Diamond Halo Ring, Platinum, Size J

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 J Birthstone Month April
1.00ct Oval Cut Diamond Solitaire Ring in Platinum

1

1

£4,577.98

£4,577.98

Unit price

per

1.00ct Oval Cut Diamond Solitaire Ring in Platinum

Shopped From: Costco UK

Total Diamonds 1 Total Diamond Weight 1.00ct Diamond Cut Oval Diamond Colour I Centre Diamond Clarity VS2 Metal 950 Platinum Birthstone Month April Available Sizes J-N
1.00ct Pear Cut Diamond Solitaire Ring, Platinum

1

1

£4,904.98

£4,904.98

Unit price

per

1.00ct Pear Cut Diamond Solitaire Ring, Platinum

Shopped From: Costco UK

Attribute Value Total Diamonds 1 Total Diamond Weight 1.00ct Diamond Cut Pear Diamond Colour I Centre Diamond Clarity VS2 Metal 950 Platinum Birthstone Month April Available Ring Sizes J-N
1.00ct Princess Cut Diamond Solitaire Ring, Platinum

1

1

£4,316.38

£4,316.38

Unit price

per

1.00ct Princess Cut Diamond Solitaire Ring, Platinum

Shopped From: Costco UK

Total Diamonds: 1 Total Diamond Weight: 1.00ct Diamond Cut: Princess Diamond Colour: I Centre Diamond Clarity: VS2 Metal: 950 Platinum April Birthstone Available in sizes J-N
1.00ctw Emerald and Round Brilliant Cut Diamond Halo Stud Earrings, 14ct White Gold

1

1

£2,146.99

£2,146.99

Unit price

per

1.00ctw Emerald and Round Brilliant Cut Diamond Halo Stud 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. Attribute Value Total Diamonds 30 Diamond Cut Emerald and Round Brilliant Total Diamond Weight 1.00ctw Centre Stone Cut Emerald...
1.00ctw Emerald Cut Diamond 3 Stone Ring, 18ct White Gold - Size N

1

1

£2,711.98

£2,711.98

Unit price

per

1.00ctw Emerald Cut Diamond 3 Stone Ring, 18ct White Gold - 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. Attribute Value Total Diamonds 3 Diamond Cut Emerald Side Diamond Cut Emerald Centre Diamond Weight 0.60ct Total Diamond Weight...
1.00ctw Princess Cut 5 Stone Platinum Diamond Ring, Size N

1

1

£1,807.99

£1,807.99

Unit price

per

1.00ctw Princess Cut 5 Stone Platinum Diamond Ring, Size N

Shopped From: Costco UK

Total Diamonds: 5 Diamond Cut: Princess Total Diamond Weight: 1.00ctw Diamond Colour: I Diamond Clarity: VS2 Ring Size: N (sizeable up to 1 size) Metal: 950 Platinum April Birthstone Type: Eternity Ring We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity...
1.00ctw Princess Cut Diamond 3 Stone Ring, 18ct White Gold

1

1

£2,711.99

£2,711.99

Unit price

per

1.00ctw Princess Cut Diamond 3 Stone Ring, 18ct White Gold

Shopped From: Costco UK

We guarantee that all diamonds supplied by costco.co.uk are as follows: Clarity to be VS2 or better and colour to be I or better as outlined on the industry grading guide. Total Diamonds 3 Diamond Cut Princess Side Diamond Cut Princess Centre Diamond Weight...
1.00ctw Princess Cut Diamond Ring in 18ct White Gold

1

1

£2,429.49

£2,429.49

Unit price

per

1.00ctw Princess Cut Diamond Ring in 18ct White Gold

Shopped From: Costco UK

This elegant ring features 3 princess cut diamonds and 10 round brilliant cut diamonds set in 18ct white gold. Total diamond weight is 1.00ctw, with a centre diamond of 0.45ct, side princess cut diamonds totalling 0.40ctw, and melee diamonds totalling 0.15ctw. Diamond colour I,...
1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold - Size K

1

1

£1,355.98

£1,355.98

Unit price

per

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

Shopped From: Costco UK

This ring features a total of 22-30 Round Brilliant Cut Diamonds (depending on ring size) with a total diamond weight of 1.00ctw. The diamonds are colour I and clarity VS2. The ring is crafted in 18ct White Gold and has a width of 2.6mm.Please...
1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold, UK Sizes K-P

1

1

£1,355.98

£1,355.98

Unit price

per

1.00ctw Round Brilliant Cut Claw Set Diamond Eternity Ring, 18ct White Gold, UK Sizes K-P

Shopped From: Costco UK

Please Note: This ring cannot be re-sized 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 Diamond Carat 1.00ctw Diamond Cut Round Brilliant Type Eternity Ring...