Leitão Irmão Victorian Tourmaline Diamond Pearl Bracelet Gold Silver, 1890s

Antique Victorian Sapphire and Old Cut Diamond Bracelet in Yellow Gold and Silver, circa 1890. A late 19th century jewel of floral and foliate design, featuring three mixed-cut oval ...

Art Deco Leitão & Irmão Diamond, Emerald and Enamel Giardinetto Floral Brooch in Silver and Gold, Portugal, c. 1940, in original case, with a total gem weight of approximately 7.84ct...

Leitão Irmão Art Deco Emerald and Diamond Earrings in Platinum and White Gold, Lisbon, c. 1940s. A striking pair of Art Deco ear clips by the historic Leitão Irmão, crown...

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...