Solitaire diamond with chain - Unoaerre, Italy - detail of advertisement

Antique: Solitaire diamond with chain - Unoaerre, Italy

18 carat white gold, natural diamond. Fineness Au 750 / 1000, total weight 2,25 grams. White gold fine chain with granulation and rectangles ornament. Round small pendant with natural round brilliant cut modern diamond weighing 0,10 ct, colour H, clarity Si. Manufactured by the Italian jewellery company Unoaerre, founded in Arezzio in 1934 by Carlo Zucchi and Leopoldo Gori. Marked: Italian hallmark, maker’s mark Unoaerre, purity 750, new Czech hallmark cock’s head with number 3. Italy second half of the last century. Length 42 cm, diameter of the trim 5 mm.