Onyx and Diamond White Gold Oval Brooch, 1920s

An emerald, diamond and onyx Art Deco brooch, ca. 1920, in platinum. The facetted square emerald weighs 2.14 carats and is of Columbian origin. It has an old mine vivid green colour...

A very sleek and elegant Sapphire and Diamond Clip Brooch made in the 1940s, depicting the typical Retro design. The diamonds weigh circa 1 carats and the sapphires weigh circa 1.5 ...

Important double clips in 18k yellow gold from the Retro period, ca. 1940s. These collectable clips were made by Boucheron Paris in a very dynamic design with sapphire baguettes and ...

A Art Deco diamond clip in the form of an arrow. The clip is set with old European cut diamonds in a very fine quality, weighing approximately 4...

A beautiful Diamond Ribbon Bow Brooch with ca. 7 carats of diamonds (D-F/IF-VVS).

An Art Deco pair of white enamel, diamond and gold cufflinks, ca. 1920s. They are square shaped, each with an old cut diamond in the centre and a geometric white enamel border - inspired by Egyptian architecture. The elegant combination and contrast of the white enamel with the diamond and gold gives the cufflinks a unique and universal design...

Seventy-one sparkling white diamonds and faceted black onyx make an elegant statement in this Art Deco-period "bow" brooch by Greenleaf & Crosby. Th...

An impressive antique 0.15 carat ruby and 0.96 carat diamond, black onyx and 18 karat white gold bar brooch; part of our diverse antique jewelry and estate jewelry collections. This fine and impressive antique bar brooch has been crafted in 18k white gold. The bar brooch is ornamented to the center with the 'Patriarchal Cross' or 'Cross of Lorraine', embellished with fourteen channel set French cut rubies. The pierced decorated, shaped frame that surrounds the central two-barred cross is accented with eight pavé set eight-cut diamonds, and framed by a border composed of twenty calibre cut black onyx. The bar to either side of the central setting are set with a further eighteen pavé set eight-cut diamonds, and four calibre cut black onyx to the terminals. The brooch secures to the reverse with a hinged pin and push fit clasp. This antique diamond and ruby bar brooch...

Platinum and 18 Karats white gold brooch. A sublimely delicate piece of antique jewelry, this brooch with its geometric, openwork lines is set with millegrain-cut cushion-cut diamond...

An Art Deco platinum brooch with diamonds and onyx. The brooch has milgrain-set old European-cut diamonds with an approximate total weight of 6.50 carats, H/I color, VS clarity, with...

Iconic Art Deco design platinum top and gold back brooch, featuring onyx top, adorned with approx. 0.25ctw in diamonds. Brooch measures 1.5" x 0.75". Not ha...

A fine and impressive antique 6.69 carat citrine, 0.28 diamond and onyx, 14 karat yellow gold brooch; part of our antique jewelry/estate jewelry collections. This fine and impressive antique brooch has been crafted in 14k yellow gold with a silver setting. The bar brooch is ornamented to either end with an impressive bezel set round faceted cut citrine, totalling 6.69Ct. The two impressive citrines are connected via two parallel bars, embellished with a total of thirty Dutch cut pavé set diamonds. The antique brooch is further accented by three impressive collet set square cut onyxes, set at regular intervals between the two bars. This fine 1920s brooch secures to the reverse with a push fit catch. The reverse of the pin is hallmarked with the 14k gold fineness hallmark 585, the maker's mark (FK) and mark (A). This impressive antique citrine brooch...