Spark 18k White Gold 0.90 carat VS F Diamond & 6.30 carat Tanzanite Ring size 6.5:Designer: Spark:Diamonds: approx. 0.90 carats Excellent VS CLARITY F COLOR Diamonds:Tanzanite: 6.30 carats stunning deep blue:Total Item Weight: 8.9g:Size: 6.5:Measurements: 15.36mm circumference of center design:Hallmarks, Stamps or Metal Test: Spark 18k 808 6.30