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An Antique Three-Stone Diamond Ring in 14K: 14K yellow and white gold three stone ring featuring Old European cut diamonds weighing approx. 0.70 ctw with an average color grade of J - K and an average clarity grade of SI, sz 9.5, with original

1 day Left

An Antique Three-Stone Diamond Ring in 14K

Est. $700-$900

$350

Alex CooperTowson, MD

Victorian Platinum Flower Brooches with Natural Pearls and Diamonds: Victorian Platinum Flower Brooches with Natural Pearls and Diamonds This exquisite pair of Victorian flower brooches is crafted in platinum and adorned with natural pearls and Old European-cut diamond

1 day Left

Victorian Platinum Flower Brooches with Natural Pearls and Diamonds

Est. $6,357-$8,264

$100

BidhausNew York, NY

Art Deco Platinum Hair Combs with 270 Diamonds 23.00 Ct F-H VS1-SI1: Art Deco Platinum Hair Combs with 270 Diamonds 23.00 Ct F-H VS1-SI1 This exquisite pair of Art Deco hair combs is crafted from platinum and adorned with a stunning total of 270 Old Mine Diamonds, boas

3 days Left

Art Deco Platinum Hair Combs with 270 Diamonds 23.00 Ct F-H VS1-SI1

Est. $30,680-$39,884

$100

BidhausNew York, NY

Diamond Portrait Pendant in 18K Yellow Gold with Double-Sided Design: Diamond Portrait Pendant in 18K Yellow Gold with Double-Sided Design This double-sided pendant is crafted from 18K yellow gold and features a portrait design. It is set with 110 old mine diamonds tota

3 days Left

Diamond Portrait Pendant in 18K Yellow Gold with Double-Sided Design

Est. $8,125-$10,562

$100

BidhausNew York, NY

A pair of antique diamond and 15k gold earrings: A pair of antique diamond and 15k gold earrings Centering old mine-cut diamonds, framed by a halo of eight additional old mine-cut diamonds; estimated total diamond weight: 1.10 carats; length: 3/4 in

2 days Left

A pair of antique diamond and 15k gold earrings

Est. $300-$500

$225

Clars AuctionsOakland, CA

J.E. Caldwell & Co, a Belle Époque diamond plaque brooch,: J.E. Caldwell & Co, a Belle Époque diamond plaque brooch, the openwork plaque set with a central row of collet-set old European cut diamonds, within a pierced border further set with old eight cu

Jun 02, 2026

J.E. Caldwell & Co, a Belle Époque diamond plaque brooch,

Est. £600-£800

£360

Sworders Fine Art AuctioneersEssex, England

Antique 18K Yellow Gold Diamond Pendant 1.10 Ct Center Stone: Antique 18K Yellow Gold Diamond Pendant 1.10 Ct Center Stone This exquisite antique pendant features a stunning 18K yellow gold design, showcasing a central approximate 1.10 Ct Old Mine diamond with I

May 21, 2026

Antique 18K Yellow Gold Diamond Pendant 1.10 Ct Center Stone

Est. $12,610-$16,393

$100

BidhausNew York, NY

ART DECO PLATINUM BLUE SAPPHIRE & DIAMOND BAR PIN.: An Art Deco, platinum (tested) bar pin set with approx. 4.0 ct. tw., square step cut, medium-dark blue sapphires and approx. 1.12 ct. tw., Old European, single cut, natural diamonds of H-I color and V

May 27, 2026

ART DECO PLATINUM BLUE SAPPHIRE & DIAMOND BAR PIN.

Est. $2,000-$3,000

$1,000

William Smith AuctionsPlainfield , NH

ANTIQUE SILVER-TOPPED GOLD, EMERALD AND DIAMOND BROOCH IN FLORAL FORM: Dimensions: Length: 3 1/16 in. (7.8 cm) Weight: Approx. 30 g Description: A striking antique brooch designed as a stylized flower, set with old rose-cut diamonds throughout and featuring a vivid green

5 days Left

ANTIQUE SILVER-TOPPED GOLD, EMERALD AND DIAMOND BROOCH IN FLORAL FORM

Est. $10,000-$20,000

$3,000

Yakon AuctionsGermantown, MD

Pair of Silver, Gold, Freshwater Pearl and Diamond Leaf Brooches: 8 freshwater button pearls ap. 8.1 to 7.3 mm., 146 old-mine, old European and single-cut diamonds ap. 10.50 cts., ap. 17.6 dwts.

May 21, 2026

Pair of Silver, Gold, Freshwater Pearl and Diamond Leaf Brooches

Est. $3,000-$5,000

$1,500

DOYLE Auctioneers & AppraisersNew York, NY

A Victorian amethyst and diamond ring,: A Victorian amethyst and diamond ring, the heart and ribbon bow motif claw set to the centre with a pear cut amethyst, to a surround of old cut diamonds, the bow atop set with eight cut, old cut and r

Jun 02, 2026

A Victorian amethyst and diamond ring,

Est. £300-£500

£210

Sworders Fine Art AuctioneersEssex, England

ELEGANT EDWARDIAN PLATINUM DIAMOND PIN.: An Edwardian, Bailey, Banks & Biddle, signed, pin set with approx. 2.0 ct. tw., Old European full and single cut, natural diamonds of G-H color and VS clarity, center stone is approx. .50 ct., H-I col

May 27, 2026

ELEGANT EDWARDIAN PLATINUM DIAMOND PIN.

Est. $800-$1,200

$400

William Smith AuctionsPlainfield , NH

A carved coral, ruby, diamond, and 14k gold pendant: A carved coral, ruby, diamond, and 14k gold pendant Of botanical design, acented by two round-cut rubies and one old mine-cut diamond; length: 1 3/4 in; 8.30 grams

2 days Left

A carved coral, ruby, diamond, and 14k gold pendant

Est. $200-$400

$200

Clars AuctionsOakland, CA

An early 20th century emerald and diamond plaque brooch,: An early 20th century emerald and diamond plaque brooch, the lozenge openwork panel with a central old European cut diamond within a square border of calibre cut emeralds and a surround of old Europea

Jun 02, 2026

An early 20th century emerald and diamond plaque brooch,

Est. £800-£1,200

£480

Sworders Fine Art AuctioneersEssex, England

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

1 day Left

Antique French 18k Gold Platinum Diamond Mosaic Brooch 2.20ctw

Est. $2,964-$3,853

$100

Mynt AuctionsNew York, NY

Stunning Art Deco Platinum Diamond Bracelet 20 Carats 1930s: Stunning Art Deco Platinum Diamond Bracelet 20 Carats 1930s This exquisite Art Deco bracelet, crafted in platinum during the 1930s, showcases a stunning array of over 400 old cut round diamonds and a

May 22, 2026

Stunning Art Deco Platinum Diamond Bracelet 20 Carats 1930s

Est. $36,114-$46,948

$100

BidhausNew York, NY

Art Decò platinum brooch with diamonds: Art Decò platinum brooch with diamonds oval-shaped, bow motif, set with old mine cut diamonds. N. 01 diamond, irregular shape, old mine cut, approx. 0.60 ct, I-J, SI.N. 17 diamonds, irregular shape,

6 days Left

Art Decò platinum brooch with diamonds

Est. €1,400-€1,600

€700

Bertolami Fine Art s.r.l.Milan, Italy

Antique Edwardian Platinum 1.25ctw Dual Diamond Ring: Antique Edwardian Platinum 1.25ctw Dual Diamond Ring This exquisite Antique Edwardian ring features a captivating design adorned with two natural old European cut diamonds, showcasing a total carat we

9 hrs Left

Antique Edwardian Platinum 1.25ctw Dual Diamond Ring

Est. $4,342-$5,644

$100

BidhausNew York, NY

PLATINUM, 14K WHITE GOLD 3.50CT DIAMOND ART DECO BROOCH: This dazzling Art Deco brooch exudes glamour and old fashioned elegance. Round cut Diamonds with a total weight of 3.50 carats allow it to effortlessly catch the light no matter if its pinned to a sca

2 days Left

PLATINUM, 14K WHITE GOLD 3.50CT DIAMOND ART DECO BROOCH

Est. $4,500-$18,000

$4,500

Robinhood AuctionsLas Vegas, NV

E. Howard 14K Pocket Watch: Lady's Antique E. Howard 14 Karat Yellow Gold Pocket Watch with Chased Monogram ("VR") to Case Front and Old Mine Cut Diamond Accented Case Back. Case stamped 14K. Manual wind movement. Case measures

15 hrs Left

E. Howard 14K Pocket Watch

Est. $2,000-$3,000

$1,000

Kodner Galleries Inc.Dania Beach, FL

An antique seed pearl, diamond, and gold pendant and pin: An antique seed pearl, diamond, and gold pendant and pin The 10k gold pendant of open-form lavalier design, intricately set with seed pearls and one old mine-cut diamond, together with a 14k gold pin

2 days Left

An antique seed pearl, diamond, and gold pendant and pin

Est. $400-$600

$225

Clars AuctionsOakland, CA

Gold diamond earrings: Gold diamond earrings white gold , openwork floral motifs, set with round shaped, old european cut diamonds, estimated to weigh a total of approx. 0.80 ct, H-I colour, VS-SI clarity, as gauged and gra

6 days Left

Gold diamond earrings

Est. €2,200-€3,000

€1,600

Bertolami Fine Art s.r.l.Milan, Italy

Platinum Art Deco Diamond Ring with 2.85 Carats Total Weight: Platinum Art Deco Diamond Ring with 2.85 Carats Total Weight This Art Deco ring is crafted from platinum and features a central approximately 1.15 carat old mine cut diamond with K color and VVS clari

May 21, 2026

Platinum Art Deco Diamond Ring with 2.85 Carats Total Weight

Est. $5,824-$7,571

$100

BidhausNew York, NY

Antique Victorian Gold Diamond Enamel Adjustable Bangle Bracelet 3.48ctw: Antique Victorian Gold Diamond Enamel Adjustable Bangle Bracelet 3.48ctw Discover this exquisite Rare Antique Victorian Gold Old Cut Diamond Enamel Adjustable Bangle Bracelet, a stunning piece that sh

2 days Left

Antique Victorian Gold Diamond Enamel Adjustable Bangle Bracelet 3.48ctw

Est. $19,136-$24,876

$100

BidhausNew York, NY

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