Lady’s genuine 1.33 cttw Blue Green Tourmaline solitaire ring with an 18k white gold 4 prong basket setting made by designer A. Jaffe. This ring has an entire weight of 7.9 grams. The width of the band on this ring is 4 mm, and it has a European (flat bottom) shank. This ring is a finger size 6 1/2, but it can be reasonably sized at no extra charge. If you require a specific size please make note in the comments section at checkout.