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.
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 quality craftsmanship and every diamond for cut, colour and clarity to ensure your jewellery will sparkle for generations.
Centre Diamond Cut: Princess Cut
Total Diamonds: 11
Centre Diamond Weight: 1.00ct
Total Diamond weight: 1.50ctw
Diamond Clarity: I
Diamond Colour: VS2
Ring Size: N
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.
Your order of £100 or more gets free standard delivery.
Standard delivered 4-5 Business Days
Express delivered 2-4 Business Days
Orders are processed and delivered Monday-Friday (excluding public holidays)