Oval Cabochon Star Sapphire & Diamond Statement Ring 21 ct 18K W Gold

A cabochon star sapphire and diamond halo statement ring in 18k white gold, 21 ct total weight. The center is a natural oval cabochon cut sapphire of approximately 16.40 ct, grayish violetish blue in color with no heat or other treatment, measuring 15.9 x 12.45 x 7.8 mm. Forty-four pear brilliant cut diamonds add approximately 4.4 ct, D-F in color and VS1-SI1 in clarity, and 49 round brilliant diamonds add approximately 0.2 ct, E-F in color and VVS2-SI1 in clarity. The ring weighs 15.2 grams and is a size 6.5, stamped "18K".