Results for “Diamond Brooch”

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A RUBY AND DIAMOND BROOCH, CIRCA 1960 Designed as a flower wreath, composed of three flowerheads: A RUBY AND DIAMOND BROOCH, CIRCA 1960 Designed as a flower wreath, composed of three flowerheads set with pear-shaped ruby petals and brilliant-cut diamond pistils, highlighted throughout with brillia

2 days Left

A RUBY AND DIAMOND BROOCH, CIRCA 1960 Designed as a flower wreath, composed of three flowerheads

Est. €2,000-€3,000

€1,000

Adam's AuctioneersIreland, Dublin

A MULTI-GEM AND DIAMOND FLOWER BASKET BROOCH, CIRCA 1960 Of giardinetto design, the naturalistic: A MULTI-GEM AND DIAMOND FLOWER BASKET BROOCH, CIRCA 1960 Of giardinetto design, the naturalistic spray of flowering branches planted from a turquoise cabochon vase with brilliant-cut diamond highlight

2 days Left

A MULTI-GEM AND DIAMOND FLOWER BASKET BROOCH, CIRCA 1960 Of giardinetto design, the naturalistic

Est. €4,000-€5,000

€2,000

Adam's AuctioneersIreland, Dublin

Diamond Platinum Brooch 2.75ct Flower Spray Bow Pin: The diamond platinum brooch is a vintage piece of fine jewelry featuring a flower spray design, with natural white diamonds set in platinum. This elegant brooch has round, square and Asscher cut shape

1 day Left

Diamond Platinum Brooch 2.75ct Flower Spray Bow Pin

Est. $3,200-$3,650

$350

Platinum Auction GroupBoca Raton, FL

An antique diamond and silver-topped 14k gold brooch: An antique diamond and silver-topped 14k gold brooch the starburst motif brooch set with old mine and rose-cut diamonds, weighing in total an estimated 1.50 carats; length: 1 1/2 in; 10.29 grams

5 days Left

An antique diamond and silver-topped 14k gold brooch

Est. $2,000-$3,000

$1,000

Clars AuctionsOakland, CA

14K yellow gold filigree Victorian diamond Habill? shell cameo brooch pendant 2 3/8"H x 1 3/4"W: 14K yellow gold filigree Victorian diamond Habill? shell cameo brooch pendant 13.20 dwt 2 3/8"H x 1 3/4"W

1 day Left

14K yellow gold filigree Victorian diamond Habill? shell cameo brooch pendant 2 3/8"H x 1 3/4"W

Est. $300-$600

$100

Ripley AuctionsIndianapolis, IN

Art Deco 14k White Gold & Diamond Bow Brooch: Art Deco 14k White Gold & Diamond Bow Brooch Early 20th Cent. Art deco era 14k white gold brooch, featuring a horizontal bar design set with rows of round diamonds. Centered with a stylized bow motif,

May 21, 2026

Art Deco 14k White Gold & Diamond Bow Brooch

Est. $800-$1,200

$400

Akiba GalleriesDania Beach, FL

Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw: Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw This exquisite antique brooch showcases a stunning mosaic design crafted from numerous natural genuine diamonds, including Old European a

4 days Left

Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw

Est. $2,964-$3,853

$100

Mynt AuctionsNew York, NY

18K White Gold Purple Sapphire, Yellow Sapphire, and Diamond Flower Pendant Brooch: METAL: 18K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.14 ctw; GEMSTONES: Purple and Yellow Sapphires; STAMPED: 18K, 750, 2.09, D0.14; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 3.3 g;

2 days Left

18K White Gold Purple Sapphire, Yellow Sapphire, and Diamond Flower Pendant Brooch

Est. $450-$600

$325

Hampton Estate AuctionNew York, NY

Art Deco Platinum Diamond Pendant Watch Brooch: Art Deco Platinum Diamond Pendant Watch Brooch Early 20th Cent. Art deco platinum and diamond pendant watch brooch, designed as a stylized ribbon bow suspending a circular watch. The bow form top is a

May 21, 2026

Art Deco Platinum Diamond Pendant Watch Brooch

Est. $1,000-$1,500

$500

Akiba GalleriesDania Beach, FL

18K White Gold Sapphire and Diamond Crown Pin Brooch: METAL: 18K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.29 ctw; GEMSTONES: Sapphire; STAMPED: 750; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 8.2 g; MEASUREMENTS: Brooch 1 5/8 inch long x 15/

2 days Left

18K White Gold Sapphire and Diamond Crown Pin Brooch

Est. $750-$1,000

$500

Hampton Estate AuctionNew York, NY

Tiffany & Co. Gold and Diamond Shell Brooch: 18 kt., one round diamond ap. .10 ct., signed Tiffany & Co., ap. 9.5 dwts.

May 21, 2026

Tiffany & Co. Gold and Diamond Shell Brooch

Est. $1,000-$1,500

$500

DOYLE Auctioneers & AppraisersNew York, NY

FEATURED

14k Gold, Cultured Pearl, and Diamond Brooch / Pendant, With Removable Drop Pendant: 14k Gold, Cultured Pearl, and Diamond Brooch, with removable drop, 16.4 dwt, lg. 1 1/2 in. The ring has a center pearl approx. 7 mm, and accented with round brilliant cut diamonds, total estimated dia

7 hrs Left

14k Gold, Cultured Pearl, and Diamond Brooch / Pendant, With Removable Drop Pendant

Est. $3,500-$4,500

$2,500

SJ AuctioneersBrooklyn, NY

18K Yellow Gold Sapphire, Emerald, and Diamond Lion Pin Brooch: METAL: 18K Yellow Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.12 ctw; GEMSTONES: Sapphire, Emerald; STAMPED: 18K, French export marks on pin stem; CONDITION: Pre-owned, Very Good; ITEM WEIGHT (GRAMS): 1

2 days Left

18K Yellow Gold Sapphire, Emerald, and Diamond Lion Pin Brooch

Est. $2,500-$3,500

$1,700

Hampton Estate AuctionNew York, NY

GAZDAR 18K YELLOW GOLD 2.10CT DIAMOND BROOCH: This intricate Gazdar brooch is incredibly luxurious. Diamonds with a total weight of 2.10 carats provide plenty of sparkle but its the breathtaking array of multicolored gemstones totaling 6.50 carat

5 days Left

GAZDAR 18K YELLOW GOLD 2.10CT DIAMOND BROOCH

Est. $9,000-$36,000

$9,000

Robinhood AuctionsLas Vegas, NV

Platinum Sunflower Brooch 20 Carat Diamond Elegance: Platinum Sunflower Brooch 20 Carat Diamond Elegance This exquisite Flower Platinum Sunflower Brooch features approximately 20 carats of dazzling diamonds, meticulously set in luxurious platinum. A stu

3 days Left

Platinum Sunflower Brooch 20 Carat Diamond Elegance

Est. $25,246-$32,819

$100

BidhausNew York, NY

1960's Platinum Brooch with 159 Diamonds and Amethysts: 1960's Platinum Brooch with 159 Diamonds and Amethysts This exquisite 1960's brooch features a striking combination of platinum, diamonds, amethysts, and turquoise. It weighs 40.4 grams and is adorned

19 hrs Left

1960's Platinum Brooch with 159 Diamonds and Amethysts

Est. $11,934-$15,514

$100

Mynt AuctionsNew York, NY

A DIAMOND BROOCH: A DIAMOND BROOCH Designed as a spray, set throughout with old European, old mine and single-cut diamonds; estimated total weight 5.75 carats; mounted in 18K white gold; measures 2 3/8 x 1 7/8 in. Foot

May 19, 2026

A DIAMOND BROOCH

Est. $3,000-$5,000

$10

BonhamsLos Angeles, CA

AN ART DECO DIAMOND AND EMERALD BROOCH: Dimensions Length: 1 13/16 in (45.7 mm); Width: 7/8 in (22.3 mm); Weight: 11.6 g. Description: A finely crafted Art Deco brooch of rectangular outline, designed with intricate openwork scroll motifs a

2 days Left

AN ART DECO DIAMOND AND EMERALD BROOCH

Est. $20,000-$50,000

$4,000

oldstone ventures llcSummit, NJ

18k Gold Diamond & Ruby Violin Brooch: 18k Gold Diamond & Ruby Violin Brooch 1980s Exquisite Violin and bow brooch pendant in yellow gold, pavé set with numerous round brilliant-cut diamonds totaling approximately 1.20 ct and channel-set

May 21, 2026

18k Gold Diamond & Ruby Violin Brooch

Est. $1,500-$2,000

$1,000

Akiba GalleriesDania Beach, FL

EDWARDIAN FRENCH PLATINUM, DIAMOND, AND RUBY BROOCH NECKLACE: This exquisite Edwardian-era (1901-1910) platinum brooch necklace, custom-made for French nobility, showcases the period’s signature openwork filigree with delicate milgrain detailing. Designed in a

2 days Left

EDWARDIAN FRENCH PLATINUM, DIAMOND, AND RUBY BROOCH NECKLACE

Est. $8,000-$10,000

$2,000

oldstone ventures llcSummit, NJ

18K Gold Platinum Ruby Diamond Large Flower Brooch Pendant Vintage: 18K Gold Platinum Ruby Diamond Large Flower Brooch Pendant Vintage This striking pendant brooch features a stunning sunflower design crafted from solid 18K yellow gold and platinum. It is adorned with

2 days Left

18K Gold Platinum Ruby Diamond Large Flower Brooch Pendant Vintage

Est. $9,620-$12,506

$100

Mynt AuctionsNew York, NY

Antique Gold, Enamel, Baroque Pearl and Diamond Pendant-Brooch: Red, green, blue, and white enamel, minor to moderate enamel loss, 5 pearls, 8 table-cut diamonds, c. 1870, enamel loss, ap. 29 dwts.

May 21, 2026

Antique Gold, Enamel, Baroque Pearl and Diamond Pendant-Brooch

Est. $2,500-$3,500

$1,200

DOYLE Auctioneers & AppraisersNew York, NY

Antique Gold. Silver, Emerald, Button Pearl and Diamond Pendant-Brooch: Square and rectangular-cut emeralds, one oval pearl ap. 9.1 x 7.6 mm., six pearls, 12 old-mine cut diamonds ap. .60 ct., all backed by gold, with collapsible pendant loop, c. 1830, ap. 9 dwts.

May 21, 2026

Antique Gold. Silver, Emerald, Button Pearl and Diamond Pendant-Brooch

Est. $1,500-$2,000

$750

DOYLE Auctioneers & AppraisersNew York, NY

Platinum and Diamond Brooch: 7 old European-cut diamonds ap. 4.00 cts., 50 old European-cut diamonds ap. 3.60 cts., small single-cut diamonds, c. 1925, ap. 12.3 dwts.

May 21, 2026

Platinum and Diamond Brooch

Est. $4,000-$6,000

$2,000

DOYLE Auctioneers & AppraisersNew York, NY

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