3.66 Carat Amethyst and 2.65 Carat Diamond Platinum Brooch

A stunning, fine and impressive vintage 1950s 2.65 carat diamond, 18 karat yellow brooch with platinum settings; part of our diverse vintage jewelry and estate jewelry collections. This stunning, fine and impressive vintage diamond brooch has been crafted in 18k yellow with platinum settings. This 1950s vintage brooch...

A stunning vintage 3.66 carat diamond and platinum dress ring; part of our diverse vintage diamond rings collection. This stunning, fine and impressive vintage diamond ring has been...

A stunning, fine and impressive antique 4.65 carat diamond and platinum plaque brooch; part of our diverse antique jewelry and estate jewelry co...

A magnificent, stunning and impressive vintage 21 carat diamond and platinum brooch; part of our diverse vintage jewellery and estate jewelry collections. This magnificent vintage diamond brooch has been crafted in platinum with an 18ct white gold fastening. The pierced decorated platinum frame has a curvilinear form, embellished with eight floral designs composed of individually claw set transitional modern brilliant round cut diamonds. The floral spray arrangement is ornamented with further diamonds, in a combination of marquise and transitional modern brilliant round cuts. The centre of the setting is embellished with a paralleling multi-stranded interlacing ribbon design accented with thirty-nine channel set baguette cut diamonds. The vintage 1960s diamond brooch...

A stunning vintage Art Deco 1.01 carat amethyst and 1.69 carat diamond, platinum and 14k yellow gold brooch; part of our diverse vintage jewelry and estate jewelry collections This stunning, fine and impressive vintage amethyst brooch...

A stunning antique French 2.65 carat diamond and 18 karat yellow gold, platinum set cocktail ring; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique diamond ring has been crafted in 18k yellow gold with a platinum setting. The pierced decorated platinum setting displays a feature 1.33Ct Old European round cut diamond, pavé set in relief to a stepped design. The feature diamond is flanked to the upper and lower border by a smaller pavé set Old European round cut diamond. The stepped halo design that surrounds the arrangement is embellished with a further eighteen Dutch cut diamonds. The elevated, pierced decorated 18k yellow gold ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank. The antique Old European round cut diamond ring is fully hallmarked to the outer surface of the shank with the French hallmarks for 18k gold (eagle's head), platinum (dog's head), the census mark (rhino head) and the makers mark. This stunning antique French cocktail ring...

This impressive Art Nouveau Diamond brooch pendant is 1890 ca Sensual, sinuous lines expertly carved from rich 18 KT gold, contraste...

Such a lovely treasure from the past! Composed of platinum and secured with a straight pin clasp, in an Art Deco style. This beauty has sections of opal, alternating with diamonds....

An Art Nouveau period amethyst brooch accented by natural pearls and European cut diamonds in a wire work mounting. Weighing 2.50 carats, the center amethyst is of rich vivid purple...

Important Diamond Flower Brooch in Platinum circa 1940's 15.65 carats One Round Brilliant Cut Diamond weighing .85 approximately [GH-VS1] approximately Thirty Seven Marquise Cut Dia...

Finely chiselled Art Nouveau 18K gold brooch with a rectangular faceted amethyst. Finely modelled roses, leaves and foliage. Six diamonds are mounted in platinum.

Significant Diamond Flower Brooch 7.65 carats Two Round Brilliant Cut Diamonds Weighing .65 Carats Approximately Two Hundred and Twenty Seven Round Brilliant Cut Diamonds Weighing 7...