Star sapphire of 21.71 carats, oval-shaped diamonds, platinum, Oscar Heyman & Brothers maker's mark, numbered AGL, 2025, report no. 1152236: 21.71 carats, Ceylon, no gemological evidence of heat, strength of star: strong, quality of star: very good to good Diamonds: 10 oval-shaped with an approximate total weight of 2.40 - 2.60 carats Size/Dimensions: US ring size 71⁄4 Gross Weight: 14.3 grams