Mid-Century 25-Carat Aquamarine Cocktail Ring 18K Rose Gold French 1950s–1960s

Mid-Century Aquamarine and Diamond Cocktail Ring in White Gold, Circa 1950s–1960s. At its heart lies a mesmerizing emerald-cut aquamarine of approximately 5.30 carats—its crystallin...

Leitão & Irmão Mid-Century Emerald and Diamond Platinum Cocktail Ring, Portugal, 1950s–1960s, in Original Case. A striking mid-century cocktail ring by Leitão & Irmão, the historic Portuguese jeweller to the Royal House, masterfully blending vivid emeralds with a scintillating diamond ensemble. The design centres on a round brilliant-cut diamond with approximately 1.20 carats, framed by a pair of square emerald-cut emeralds of deep, saturated green, weighing an estimated 2.00 carats in total. The trio is encircled by a dynamic halo of twenty marquise brilliant-cut diamonds, together weighing around 2.40 carats, their precise arrangement radiating brilliance from every angle. Exquisitely crafted in platinum and bearing the Lisbon hallmark (1938–1984) for platinum 500, as well as the maker’s mark for Leitão & Irmão, this jewel embodies the refined glamour of the 1950s–60s era — a time when bold form met impeccable craftsmanship. Presented in its original red leather fitted case, stamped “Leitão & Irmão, Antigos Joalheiros da Coroa, Lisboa”, this piece is a rare survivor of Portugal’s mid...

Ring in 18 karat rose gold. A vintage cocktail ring, its rose gold setting features a wide ring that widens at the head in the form of 4 large claws and 2x4 small gold cords. These e...

Ring in 18 karat rose gold, eagle head hallmark. An antique vintage jewel, the setting is adorned with escutcheon motifs and features 4x2 long claws that hold a large step-cut citrin...