Florence Ring - Blue-Teal SapphirePear Sapphire & Diamond Engagement Ring The Florence Ring: crafted in 18K yellow gold featuring an impressive 2. 21ct slate blue sapphire secured in an eight prong crown setting. The centre stone is flanked by two substantial round, brilliant cut natural diamonds. This ring has an appraised value of $7,500 CAD. The appraisal is included with the purchase of the ring to aid in the insurance process if you choose to insure (which you should!) This ring