Onyx Brooches

A vintage platinum diamond and onyx brooch circa 1920. The brooch is made up of two rows set with 48 old cut diamonds, joined by intermittent onyx bars. The diamonds have an approxim...

A striking brooch depicting a poised leopard. Crafted in 18k yellow gold, the body is adorned with 6.10 carats of round brilliant white diamonds, creating a dazzling effect. The eyes...

Extreme Art Deco Diamond and French Cut Onyx Brooch c.1920's in Platinum One Old European Cut Diamond weighing .30 carats approximately Two Old European Cut Diamonds weighing .20 car...

Set in 18 karats yellow gold, eagle's head hallmark. Composed of a pair of vest buttons and a brooch, this antique jewel of clothing is composed of round-shaped motifs in satin gold ...

A fine and impressive vintage onyx, 0.08 carat diamond and 14k yellow gold pendant/brooch; part of our vintage brooches collection. This fine and impressive vintage onyx brooch/pendant has been crafted in 14k yellow gold. This iconic Art Deco brooch is embellished with an impressive collet set onyx panel, bearing a tiered geometric carved design. The lower portion of the setting is ornamented with two offset stepped panels, ornamented to the centre with seven pavé set modern brilliant round cut diamonds. This brooch secures to the reverse with a hinged pin and safety clasp fastening. This versatile vintage onyx brooch may also be worn as a pendant, suspends from a contemporary 9k yellow gold 18'' curb chain via the incorporated loop to the reverse, securing to the reverse with a conventional spring-loaded bolt ring. This impressive vintage brooch/pendant is hallmarked to the reverse with the 14k gold mark 585 and the maker's mark (EE). This stunning vintage black onyx brooch...

Signed "Putti" platinum Black Onyx, carved with figures of a man and a woman, Brooch / Pendant. Circled with round brilliant cut diamonds with a total diamond weight of 1.50 carats....