Mid-Century Emerald Diamond Three Stone Ring Platinum Portuguese 1950s-1960s

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...

Certified Colombian emerald and diamond oval engagement or cocktail ring, French, 21st Century. A striking jewel featuring a fabulous oval Colombian emerald weighing approximately 4....

Vintage Colombian Emerald, Diamond and Onyx Bypass Cocktail Ring in Platinum, 1990s. This jewel of Art Deco inspiration features a vivid green Colombian emerald and a Transitional ro...

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...

Platinum Cabochon Emerald and Old Mine Cut Diamond Three-Stone Ring Description: A striking three-stone ring crafted in platinum, centering on a richly colored cabochon emerald flan...

Beautiful emerald and diamond ring with a unique vintage design. Approximately 4.5 carats of round emeralds and .75 carats of round brilliant diamonds set in platinum Size 6.5

This grand mid-century ring, crafted in 14K white gold, showcases an impressive filigree design centered around a deep, vibrant emerald cut emerald weighing 2.50 carats. Accentuating...

In very good condition. Total weight is 2.9 grams. Totally is diamond 0.40 ct. The diamond is has G color and Pique 1 clarity. Totally is emerald 0.42 ct. Ring size is US 7 (We offer...