NO RESERVE MICHELE DELLA VALLE BLUE TOPAZ AND DIAMOND BARRETTE

NO RESERVE MICHELE DELLA VALLE BLUE TOPAZ AND DIAMOND BARRETTE
Pear and marquise-cut blue topazes, round diamonds, 18k white gold, signed Michele della Valle, maker's mark, numbered, black Michele della Valle pouch

Blue topazes: 10 pear and 3 marquise with approximate total weight of 30.76 carats

Size/Dimensions: 5.8 x 1.9 cm (2 1⁄4 x 3⁄4 in)
Gross Weight: 18.2 grams