Brooches & Pins

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diamond and gem-set brooch First Image

diamond and gem-set brooch

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Gold Brooch with Diamond and Sapphire (1 of 4)

Gold Brooch with Diamond and Sapphire

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YELLOW GOLD AND DIAMOND BROOCH (1 of 2)

YELLOW GOLD AND DIAMOND BROOCH

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TIFFANY & CO., RUBY, DIAMOND, AND YELLOW GOLD FLOWER BROOCH (1 of 2)

TIFFANY & CO., RUBY, DIAMOND, AND YELLOW GOLD FLOWER BROOCH

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0.25 CARAT ROUND BRILLIANT I VS1 DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH (1 of 2)

0.25 CARAT ROUND BRILLIANT I VS1 DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH

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0.25 CARAT ROUND BRILLIANT I VS1 DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH (1 of 2)

0.25 CARAT ROUND BRILLIANT I VS1 DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH

Mar 03, 2026

2.52 CARAT ROUND BRILLIANT H VS DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH (1 of 2)

2.52 CARAT ROUND BRILLIANT H VS DIAMOND 18 KARAT YELLOW GOLD PIN BROOCH

5 days Left

0.70 CARAT ROSE CUT DIAMOND 0.15 CARAT EMERALD 18K TWO TONE GOLD PIN BROOCH (1 of 2)

0.70 CARAT ROSE CUT DIAMOND 0.15 CARAT EMERALD 18K TWO TONE GOLD PIN BROOCH

Mar 03, 2026

FRENCH, SYNTHETIC RUBY AND DIAMOND BROOCH (1 of 2)

FRENCH, SYNTHETIC RUBY AND DIAMOND BROOCH

1 day Left

Platinum & 18K Yellow Gold 8.60 Ct. Diamond Brooch (1 of 4)

Platinum & 18K Yellow Gold 8.60 Ct. Diamond Brooch

Platinum Auction Group

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GIA Certified 45.84ctw Sapphire Fancy Yellow Diamond Brooch in Platinum Gold (1 of 11)

GIA Certified 45.84ctw Sapphire Fancy Yellow Diamond Brooch in Platinum Gold

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20.15 Ct Diamond Brooch 18K Yellow Gold E-F VVS-VS Quality (1 of 3)

20.15 Ct Diamond Brooch 18K Yellow Gold E-F VVS-VS Quality

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18K Yellow Gold with 3.50tcw Diamond Hammermann Brothers Designor Broach (1 of 6)

18K Yellow Gold with 3.50tcw Diamond Hammermann Brothers Designor Broach

Riverside Galleries

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K18YG/PT900 Diamond Brooch (1 of 3)

K18YG/PT900 Diamond Brooch

Feb 04, 2026

SPRITZER & FURMAN DIAMOND BROOCH RUBY 18K GOLD LEAF PETALS FLOWER PIN (1 of 2)

SPRITZER & FURMAN DIAMOND BROOCH RUBY 18K GOLD LEAF PETALS FLOWER PIN

Jul 13, 2025

ENAMEL, DIAMOND, AND BICOLOR GOLD BROOCH (1 of 2)

ENAMEL, DIAMOND, AND BICOLOR GOLD BROOCH

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Vintage Sapphire and Diamond Feather Brooch in 18K Yellow Gold (1 of 2)

Vintage Sapphire and Diamond Feather Brooch in 18K Yellow Gold

Eric's Estate & Jewelry

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A Russian gold diamond & gem-set brooch, 1899-1908 (1 of 4)

A Russian gold diamond & gem-set brooch, 1899-1908 A Russian gold, diamond, and gem-set brooch, Feodor Lorie, Moscow, circa 1899-1908. Formed as a three-leaf clover with finely-engraved gold leaves encircled by its own stem, set entirely with rose-cut

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DIAMOND AND GEM-SET BROOCH, LEGNAZZI (1 of 1)

DIAMOND AND GEM-SET BROOCH, LEGNAZZI DIAMOND AND GEM-SET BROOCH, LEGNAZZI in two tone gold depicting a duck with various coloured gems, black enamel and brilliant-cut diamonds weighing approx. 0.40 ct. Maker's mark for Legnazzi.

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A diamond and gem-set brooch (1 of 2)

A diamond and gem-set brooch A diamond and gem-set brooch silver metal, closed back setting, gem and diamond set. Centered by a oval garnet cabochon measuring 12.8x9.7mm surrounded by antique cut diamonds, rubies, and emerald acc

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A diamond and gem-set brooch. Designed as a series of (1 of 2)

A diamond and gem-set brooch. Designed as a series of A diamond and gem-set brooch. Designed as a series of brilliant-cut diamond accent carved rock crystal flowers, atop a carved nephrite jade leaf. Estimated total diamond weight 0.10ct. Length 7.3cms.

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Diamond and gem-set brooches (1 of 1)

Diamond and gem-set brooches Diamond and gem-set brooches A diamond, ruby, and 18k yellow gold bow brooch; and a diamond, ruby, emerald, sapphire, and 14k white gold bar brooch Gross weight 12.2 dwts

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A diamond and gem-set brooch. Designed as a woven (1 of 2)

A diamond and gem-set brooch. Designed as a woven A diamond and gem-set brooch. Designed as a woven basket, with circular-shape ruby accents and single-cut diamond collet rim, displaying a spray of diamond, emerald and ruby floral clusters. Estimated

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Vintage White Gold, Diamond, and Gem-Set Brooch (1 of 3)

Vintage White Gold, Diamond, and Gem-Set Brooch Vintage White Gold, Diamond, and Gem-Set Brooch designed in a shaped lozenge form with allover filigree decoration, set with old European and old single cut diamonds weighing approximately .26 total c

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A diamond and gem-set brooch. Designed as a carved (1 of 2)

A diamond and gem-set brooch. Designed as a carved 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

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An 18ct gold diamond and gem-set brooch. Designed as a (1 of 2)

An 18ct gold diamond and gem-set brooch. Designed as a An 18ct gold diamond and gem-set brooch. Designed as a giardinetti, with brilliant-cut diamond openwork basket and marquise-shape ruby, sapphire and emerald flowers. Estimated total diamond weight 0.2

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A diamond and gem-set brooch. Of openwork design, the (1 of 2)

A diamond and gem-set brooch. Of openwork design, the A diamond and gem-set brooch. Of openwork design, the foil-back emerald and green paste quatrefoil, within a diamond and paste replacement scrolling surround. Estimated total diamond weight 1ct. Lengt

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Two early 20th century diamond and gem-set brooches. (1 of 2)

Two early 20th century diamond and gem-set brooches.Two early 20th century diamond and gem-set brooches. To include an alternating square-shape emerald and old-cut diamond line brooch, together with a Martin Mayer green paste circle brooch. One with ma

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A diamond and gem-set brooch. The cultured pearl and (1 of 2)

A diamond and gem-set brooch. The cultured pearl and A diamond and gem-set brooch. The cultured pearl and old-cut diamond, suspended from a rose and old-cut diamond scrolling surround, with circular-shape synthetic ruby and cultured pearl highlight. Est

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A diamond and gem-set brooch. Designed as a pheasant, (1 of 2)

A diamond and gem-set brooch. Designed as a pheasant,A diamond and gem-set brooch. Designed as a pheasant, the pave-set seed pearl and turquoise body, with circular-shape diamond tail. Length 4.7cms.

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A mid 20th century 9ct gold diamond and gem-set brooch. (1 of 2)

A mid 20th century 9ct gold diamond and gem-set brooch.A mid 20th century 9ct gold diamond and gem-set brooch. Estimated total diamond weight 0.20ct. Hallmarks for London, 1963. Length 4.2cms. 7.6gms.

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Two diamond and gem-set brooches. To include an early (1 of 2)

Two diamond and gem-set brooches. To include an early Two diamond and gem-set brooches. To include an early 20th century cultured pearl and diamond bar brooch and a composite split-pearl and blue paste brooch. Estimated total diamond weight 0.10ct. Lengt

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Two diamond and gem-set brooches. Each designed as two (1 of 2)

Two diamond and gem-set brooches. Each designed as two Two diamond and gem-set brooches. Each designed as two carved amethyst and vari-cut diamond flowers, to the carved nephrite jade leaves and gathered stems. Estimated total diamond weight 0.15ct. Lengt

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ANTIQUE GOLD DIAMOND GEM-SET BAR BROOCH. 4.3g (1 of 3)

ANTIQUE GOLD DIAMOND GEM-SET BAR BROOCH. 4.3g A yellow gold bar brooch set with an oval amethyst flanked by two small diamonds. L. 6cm

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A late 19th century silver and gold diamond and gem-set (1 of 2)

A late 19th century silver and gold diamond and gem-set A late 19th century silver and gold diamond and gem-set brooch. The rose-cut diamond dove with ruby eye, holding a pearl and old-cut diamond garland, to the similarly-cut diamond arrow head and fletch

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An early 20th century Egyptian Revival gold, diamond (1 of 2)

An early 20th century Egyptian Revival gold, diamond An early 20th century Egyptian Revival gold, diamond and gem-set brooch. The carved moonstone scarab with ruby and rose-cut diamond surround, to the rose-cut diamond accent openwork wing sides. Austri

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Midcentury 18K Yellow and White Gold, Diamond and Gem Set Bird Brooch (1 of 3)

Midcentury 18K Yellow and White Gold, Diamond and Gem Set Bird Brooch METAL: 18K Yellow Gold/White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 1 ctw; GEMSTONES: Emerald, Turquoise. Sapphire, and Ruby; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 27.4 g; MEASUREMENTS: Br

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Diamond and gem-set bird brooch (1 of 2)

Diamond and gem-set bird brooch Diamond and gem-set bird brooch Circular-cut emeralds, invisibly-set sapphires and rubies, round brilliant-cut diamonds 18k yellow gold 2 ins; Gross weight 8.9 dwts

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AN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCH (1 of 2)

AN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCH AN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCH Elevating figural coral and turquoise carvings upon fluted pedestals accented by round, old mine-cut, old European-cut and single-cut diamonds an

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Edwardian Diamond Gem Set 14k Basket Brooch (1 of 4)

Edwardian Diamond Gem Set 14k Basket Brooch Edwardian Diamond Gem Set 14k Basket Pendant Brooch 1.5''. Platinum topped 14k figural gold brooch set with (24) old european cut diamonds (H/SI-2 average) weighing .5ctw. Also (12) ruby corundum from

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A diamond and gem-set fish brooch. (1 of 1)

A diamond and gem-set fish brooch.A diamond and gem-set fish brooch. Deigned as a stylised carp, with circular-shape ruby and sapphires body, to the single-cut diamond head and tail. Estimated total diamond weight 1.40cts. Length 6cms

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