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This 6.55ct round brilliant cut, VS1 clarity, G colour diamond, solitaire platinum ring is a beautifully crafted luxury item. It is unique and its 6.55ct diamond really sets off the piece – it really is exquisite in every possible way. The item comes with a Summation of Appraisal certificate from the International Gemological Institute (IGI).

  • Diamond Shape: Round Brilliant Cut
  • Minimum Diamond Weight: 6.55ct
  • Diamond Clarity: Very Slighty Included (VS1)
  • Diamond Colour: Near Colourless (G)
  • Metal: 950 Platinum
  • Size N

costco.co.uk makes purchasing the highest quality diamonds easy by offering the industry's very best diamonds at the lowest possible price. Our long-standing relationship with a number of approved suppliers guarantees we get the best selection of stones on the market.

costco.co.uk experienced buying team works closely with these suppliers to evaluate and hand-select each diamond for its quality and brilliance. Our team of Graduate Gemologists then inspect every diamond to ensure it meets the strictest quality standards; this includes a thorough examination of cut, colour, clarity, and craftsmanship. This way you can be confident your purchase is as special to us as it is to you. 

This item comes with a Summation Of Appraisal certificate from the International Gemological Institute (IGI). This is to certify that the item described above is genuine, and has been independently examined in the laboratories of IGI. 

Also included with this diamond is a GIA (Gemological Institute of America), Gem Trade Laboratory, Diamond Grading Report. Gem Trade Laboratory is a division of GIA Enterprises, Inc., a wholly owned subsidiary of the non-profit Gemological Institute of America, Inc. This describes the characteristics of the diamond at the time of the examination based upon 10 x magnification. 

When returning unique jewellery items, or items containing a 1.00ct centre diamond or larger, costco.co.uk may require additional time to verify the diamond, in which case a refund will be approved upon positive verification and as long as the item is not damaged or changed in any way (i.e. resized or reset). This process may require two to five business days. 

For any enquiries please email diamonds@costco.co.uk 

To view additional jewellery information click here.

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