18ct Gold Diamond and Sapphire Ring with 7.2g Weight Rings Jewellery 675 Sapphire Diamond Ring Sapphire Diamond Ring For Sale at 1stDibs sapphire astrea vr Sapphire Diamond Platinum Engagement Ring For Sale at 1stDibs Unique 6.50 Carat Sapphire and Diamond Ring For Sale at 1stDibs. Sapphire and Diamond 8 stone ring Stamped 14K. Can Be Resized: Yes Colour: Blue Era: Mid century Gemstone: Diamond,Sapphire Material: Gold Ring size: 5. 5 Weight: 2. 9