A CABCHON SPINEL AND DIAMOND BROOCH

SPINEL AND DIAMOND BROOCH, EARLY 20TH CENTURY The oval-cut pink spinel within a cushion-shaped diamond surround, length 1.9cm Footnotes: Accompanied by a report from Gem & Pearl Laboratory stating th

Containing center cabochon cut blue spinel, surrounded by 8 round bezel set diamonds, each weighing approx. .12carats, surrounded by 6 bezel set diamonds, each weighing approx. .15carats and 6 cabocho

Synthetic Spinel, Diamond, White Gold Pendant Brooch. Designed as a snowflake featuring numerous emerald-cut synthetic spinels, accented by approximately one hundred round-cut diamonds weighing a tota

18K GOLD BROOCH WITH DIAMOND AND SPINEL seven round cut diamonds, with sixteen round cut spinels both set on 18KT twisted and straight gold bands. Stamped 18K on interior of brooch. dimensions: 5.72 (

White and Blackened White Gold, Multicolored Spinel, Cultured Pearl and Diamond Pendant-Brooch Round multicolored spinel, one pearl ap. 9.6 mm., 3 drop-shaped pearls ap. 9.8 to 9.0 mm., 38 round and 6

Moonstone, Diamond, Spinel, Blackened Silver-Gilt Swallow Pendant Brooch. Designed as a bird in flight, featuring numerous oval-cut moonstone cabochons ranging in size from approximately 7.2 x 5.2 to

1st item: Ladies 14K dual-tone gold flower brooch featuring 2 round brilliant, 2 mine cut, and 13 rose cut diamonds approximately 0.32 carats together, Clarity-SI2, Color-J, accented by 21 synthetic r

18k gold, diamond and pink spinel winged insect pin.This brooch contains 56 old minor cut diamonds that weigh conservatively .10cts each, for a total diamond weight of 5.7 carats.The diamonds have an

Vintage Endless Circle Brooch Pin.7.00cts of natural gems.Pink Spinel, Peridot, Citrine, Garnet, Pink Tourmaline, Amethyst & Aquamarine.Round cutsEach Stone: 4.8mm averageRounds, Full cut Brilliant.Cl

center oval cut synthetic pink spinel approx. 18 x 13.5mm, approx. 23 round brilliant diamonds, tested 18kt. yellow gold and with Portuguese hallmarks and maker's mark, 1 x 1-1/8 in., 8.8 grams Proven

David Webb 17.20ctw Emerald & Blue Sapphire, 13.50ctw VS1-VS2/F-G Diamond Solid Platinum/18K Yellow Gold One of a Kind Convertible Brooch/Pendant (Comes W/$300,000 Appraisal) - This immaculately craft

DIAMOND BROOCH The octagonal old-cut diamond, weighing 4.29 carats, within a surround of cushion-shaped and old brilliant-cut diamonds, length 2.0cm

CARTIER, DIAMOND BROOCH Containing eight pear shaped diamonds and 108 baguette cut diamonds weighing approximately 11.00-12.00 carats total. Mounted in platinum. 1 1/2 x 1 1/2 inches. Stamp: CARTIER 1

An art deco un-heated Burma ruby and diamond brooch, width 4cm, rubies Est. 14ct, Wt. 16.7g. Together with certificate, stating total ruby Wt. Est. 14ct, origin Burma with no indication of heating.

A FINE ANTIQUE DIAMOND BROOCH set with an old mine cushion cut diamond of 4.00 carats in a cluster of old cut diamonds, accented by further old and rose cut diamonds to the openwork frame, the diamond

IMPRESSIVE DIAMOND BROOCH. set with diamonds totalling approx. 10 ct, with the center stone being approx. 2.45 ct. accompanied with an antique fitted box. L: 4.4 cm. W : 3.4 cm. 12 grams.

CARTIER, A VINTAGE CITRINE AND DIAMOND BROOCH, 1940s in 18ct yellow gold, designed as a floral cluster, set with emerald, pear and fancy cut citrines, accented by round cut diamonds, signed Cartier, n

AN EXQUISITE BELLE EPOQUE PINK TOPAZ AND DIAMOND BROOCH in yellow gold and platinum, set to the centre with a cushion cut pink topaz of approximately 7.35 carats, within two concentric borders of old

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds

David Webb Rock Crystal and Diamond Brooch/Pendant 18k yellow gold/platinum, the brooch mounted with rock crystals beads on a gold frame, accented by round brilliant-cut diamonds weighing approximatel

IMPORTANT LARGE ART-DECO CUPPRIAN TOURMALINE AND DIAMOND BROOCH, the brooch of part openwork design, The centre section of rectangular design set with diamonds, and a cupprian tourmaline to the centre

IMPORTANT LARGE ART-DECO CUPPRIAN TOURMALINE AND DIAMOND BROOCH, the brooch of part openwork design, The centre section of rectangular design set with diamonds, and a cupprian tourmaline to the centre

TIFFANY & CO., SCHLUMBERGER, RUBY AND DIAMOND BROOCH Containing one oval cabochon ruby measuring approximately 8.00 x 6.00 mm and numerous round brilliant and marquise cut diamonds weighing approximat

IMPORTANT ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, The brooch of openwork scrolling and guirland design, set with a central natural button shaped pearl of 15.72 ct. further set with 4 larger old cut