22 Round Double Rose-cut Blue Topaz total weight 109.25 carats, 23 Round Diamonds, G color, VS clarity, total weight 0.65 carats, 18k White Gold 13.90 grams. Handmade in Milano, Italy. Designed by Carlo Antonini. Signed by A & Furst. Adjustable length, with chain in the back, from 12" up to 19"