1.5 Carat Heart Shaped Diamond Very Good Cut J SI2 GIA. This 1.5 carat loose diamond features Heart Shaped shape and a Very Good cut. This diamond has been certified by GIA diamond laboratory as J color and clarity grade of SI2. Additional loose diamond details: diamond table size: 59.00; diamond girdle: Medium to Very Thick; faceted diamond measurements: 7.26 8.08 4.50; diamond polish: EX; diamond symmetry: EX; diamond culet: N; diamond fluorescence; None. James Allen loose diamond Product ID: Heart Diamond, Heart Shaped Diamond, Gia Diamond, Gia Certified Diamonds, James Allen, Diamond Heart, Table Size, Loose Diamonds, Heart Shapes