20th Century 1.80ct Diamond Emerald Target Engagement Cocktail Ring White Gold

Art Deco Emerald and Diamond Engagement Ring in Platinum, by Portuguese goldsmith Carlos Joaquim Xavier, 1940s/1950s. This jewel features a vibrant green circular emerald weighing ap...

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....

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...

Beautiful and unique vintage diamond emerald bypass ring handcrafted in 18 karat white gold. The ring features an approximately .90 carat round brilliant cut diamond and an approxima...

A fine and impressive vintage 0.98 carat emerald and 1.23 carat diamond, 18 karat white gold cocktail ring; part of our diverse range of gemstone jewelry. This impressive emerald cl...

This striking platinum target ring showcases a bold, perfectly symmetrical round design crafted with exceptional precision. At its center rests a brilliant-cut diamond of 0.96 carats...

Ring made of 18 kt. white gold with diamonds and emerald. Diamonds are set on different levels creating a three-dimensional geometry. The emerald is set in the center of the ring, su...