18k yellow gold diamond solitaire with a 6 prong Tiffany style head made of Platinum. This ring contains one genuine .41 carat Round Brilliant Cut diamond with G color, VS2 clarity. This diamond does not have a certificate, but it will be accompanied by an insurance appraisal. This ring has an entire weight of 3.6 grams. This ring is a finger size 6 1/4, but it can be reasonably sized at no additional charge. If you require a specific size please make note in the comments section at checkout.