A VAN CLEEF & ARPELS Ring - "Double Flower" 750/1000 gold set with 7 round cut rubies and 7 brilliant cut diamonds with an approximate weight of 1.50 ct. and 7 brilliant cut ones with an approximate weight of 1.45 ct. French 20th C. (mid) signs of use warranty mark, signed and numbered B5042, without Portuguese marks, pursuant to Decreto-Lei No. 120/2017, of 15 September - art. 2, paragraph 2(c) Dimensões (altura x comprimento x largura) - 16 (17,7 mm) cm; Peso - 4,8 g. Notes: Provenance: Jewelry collection of a soprano opera singer of the São Carlos National Opera House, Lisbon.