Oval Cut Blue Sapphire and Diamond Ring, PlatinumOval Cut Blue Sapphire and Diamond Ring, Platinum
Oval Cut Blue Sapphire and Diamond Ring, PlatinumOval Cut Blue Sapphire and Diamond Ring, Platinum
Oval Cut Blue Sapphire and Diamond Ring, PlatinumOval Cut Blue Sapphire and Diamond Ring, Platinum

Oval Cut Blue Sapphire & 1.57ctw Diamond Ring, Platinum

Item #1395556

Shipping Included

This item is from our exclusive collection of one-of-a-kind jewellery with only one unit available. To enquire about this item, please email

Jewellery items that include a single diamond of 1.25 carat or larger come with a GIA® diamond grading report and an IGI® appraisal. Whereas single diamonds from 1.00 to 1.24 carat come with an IGI® appraisal only

Please email and we will contact you to arrange payment & shipping.

You can trust Costco to only offer the highest quality one-of-a-kind gemstones at the lowest possible price. Our long-standing relationship with our suppliers guarantees we get the best selection at the best value. Costco's experienced buying team works with our suppliers evaluating and hand selecting each gemstone to ensure it meets the strictest quality standards in the industry in cut, colour, clarity and craftsmanship. You can be confident your purchase is as special to us as it is to you.

  • Gemstone Type: Blue Sapphire
  • Gemstone Cut: Oval
  • Gemstone Size:  Approximately 12.39 x 8.41 x 6.59 mm
  • Total Diamonds: 22
  • Diamond Cut: Round
  • Total Diamond Weight: 1.57ctw
  • Diamond Colour: I
  • Diamond Clarity: VS1-VS2 (Very Slightly Included)
  • Platinum
  • Size N - Sizeable up or down 1 size (Costco does not offer this service)

We guarantee that all diamonds supplied by are as follows: Clarity to be VS2 or better and colour to be "I" or better as outlined on the industry grading guide. 

To view additional jewellery information click here.

To view additional information on coloured gemstones click here.

Diamond Carat1.57ctw
Diamond CutRound
Diamond ClarityVS1-VS2
Diamond ColourI
Gemstone CutOval
Gemstone ColourBlue
Birthstone MonthSeptember
TypeGemstone Ring
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