Amethyst, Diamond and Onyx Brooch

A diamond and gem-set brooch. Designed as a carved mother-of pearl and amethyst floral spray, with onyx and brilliant-cut diamond basket. Total diamond weight 0.40ct, stamped to mount. Length 4cms. We

set with 18 round brilliant cut diamonds approx. 1.35 carats (in our opinion: E color, VS1 clarity, however not guaranteed), and a rhombus cut onyx stone (minor edge chip to backside of stone), in car

Stunning 14kt two tone gold amethyst & diamond brooch. The brooch features one (1), four prong set, oval faceted amethyst set in the center surrounded by a halo of twelve (12), pave set, round brillia

Ladies' exquisite circular platinum brooch, set with approx. ten rectangular cut sections of stunning Amethyst, alternating with settings containing round brilliant cut Diamonds. Measures approx. 1-3/

METAL: 18k Gold. MEASUREMENTS: Brooch is 40mm x37mm. GEMSTONES: Amethyst approx. 22.2 x 17.2 x 9.7mm, Onyx. TESTED: 18k. WEIGHT: 19.1 grams.Gemstones have not been graded for color and clarity ,and te

c. 1900, 14K yellow gold ribbon brooch featuring an oval amethyst bezel set in center with six old European cut diamonds weighing approx. 0.60 ctw, 1.5 in. W, 10.7 grams

18.8 grams

METAL: 18k Gold. GEMSTONES: Rose cut diamonds. Onyx (stone has small scratches). MEASUREMENTS: Brooch is 38mm x 37mm. TESTED: 18k. WEIGHT: 9.1 grams.Gemstones have not been graded for color and clarit

14k gold pendant brooch, with designer cut amethyst, and approx. 0.05cts in diamonds. Brooch is 42mm x 26mm. Marked: 14k 585. Weight - 15.2 grams.

Amethyst & diamond flower brooch set in 14kt gold. Carved amethyst petals with 5 diamonds at 0.02 each, total ct weight of 0.10. Total weight 13.6 grams. Good condition, see photos. In house continent

Exquisite 14K White Gold Amethyst & Diamonds Brooch. Victorian. Great quality. Marked: 14K; 2.5 dwt; size 1 in. x 5/8 in.

David Webb exceptional Brooch Pendant Authentic and signed Large 30mm X 18mm Faceted Amethyst set in 18k gold and Platinum. 31.7 Grams with Approx 1.5 Carats Diamonds. This is a great collector piece

ART DECO, DIAMOND AND ONYX BROOCH Containing one old European cut diamond weighing approximately 1.80 carats, numerous single cut diamonds weighing approximately 7.75 carats total and one oval shaped

A BEAUTIFUL ART DECO, ENAMEL, DIAMOND AND ONYX BROOCH LOCKET. L: 60 mm, locket measurements: 30.37 x 30.91mm, weight: 28.7 gram.

Marcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. C

BELLE EPOQUE AMETHYST AND DIAMOND BROOCH,High carat gold.Large and vibrant amethyst of approx. 18.1 x 18.8 x 12.1 mm. (approx. 25 ct.).Diamonds bright and lively, totalling approx. 2 ct.L. 4.7 cm.10.7

Oval Brilliant Cut Amethyst and Diamond Brooch Pendant, an oval brilliant cut amethyst weighing approximately 35.00 carats surrounded by 16 round brilliant cut diamonds approx. 2.50 ctw and 16 marquis

A FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochon coral against a pierced geometric ground, accented by old and single cut diamonds and polished onyx ba

METAL: Platinum. MEASUREMENTS: Pendant is 38mm x 21mm. GEMSTONES: Onyx, Diamonds approx. 2.20ctw. TESTED: Plat. WEIGHT: 10.3 grams.Gemstones have not been graded for color and clarity ,and tested for

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.42ctw. Jade. Onyx. Ruby. MEASUREMENTS: Brooch is 56mm x 9.3mm at widest point. Brooch has a hook. Jade pendant is removable, can wear as a pendant. MARKE

Large 14kt white gold mounted carved amethyst brooch is the form of an orchid with (3) prong-set single cut diamond accents. Apparently unmarked. Total approx. weight of the brooch is 26.0 grams (gros

Pendant features amethyst, measuring 12mm x 15.5mm, and diamonds. Pendant measures 80mm x 40mm. Tested 18K. Weight - 21.6 grams. Gemstones have not been graded for color and clarity ,and tested for cl

AN ANTIQUE AMETHYST AND DIAMOND BROOCH in yellow gold and silver, set with an octagonal step cut amethyst in a foliate border set with old cut diamonds, no assay marks, 3.1cm, 6.7g.

2 Silver and Gold Weight 4.5g Opal Amethyst Diamond Bug Brooch Measurements 0.62”x0.92”