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Roberto Coin Nabucco 1ct Diamond Flex Bracelet 18k Two Tone Gold: Roberto Coin Nabucco 1ct Diamond Flex Bracelet 18k Two Tone Gold Discover the elegance of the Nabucco Collection by Roberto Coin. This striking wide flex bracelet features a 13mm band crafted from 18k

May 28, 2026

Roberto Coin Nabucco 1ct Diamond Flex Bracelet 18k Two Tone Gold

Est. $13,949-$18,133

$100

Mynt AuctionsNew York, NY

18 Karat Yellow Gold and 0.31 Carat Diamond Solitaire Pendant: 18 karat yellow gold solitaire pendant featuring a round brilliant-cut diamond secured in a bezel setting. The pendant is designed with a fixed, polished oval-shaped bale. The side of the bezel bears

Jun 03, 2026

18 Karat Yellow Gold and 0.31 Carat Diamond Solitaire Pendant

Est. $10-$100,000

$30

Gallery 63Atlanta, GA

Art Deco Platinum Sapphire Diamond Bar Pin Brooch GIA Certified: Art Deco Platinum Sapphire Diamond Bar Pin Brooch GIA Certified This antique Art Deco bar pin brooch features a sophisticated design crafted from solid platinum with a 13-14k white gold pin. The piece

Jun 03, 2026

Art Deco Platinum Sapphire Diamond Bar Pin Brooch GIA Certified

Est. $4,628-$6,016

$100

BidhausNew York, NY

18k Yellow Gold Floral Swirl Diamond Enamel Ring Size 7: 18k Yellow Gold Floral Swirl Diamond Enamel Ring Size 7 This vintage cocktail ring is crafted from solid 18k yellow gold and features a bold swirl floral motif enhanced with vibrant multicolor enamel.

Jun 04, 2026

18k Yellow Gold Floral Swirl Diamond Enamel Ring Size 7

Est. $6,175-$8,027

$100

Mynt AuctionsNew York, NY

Smokey Quartz and Diamond Drop Earrings in 18K Yellow Gold: Smokey Quartz and Diamond Drop Earrings in 18K Yellow Gold These earrings are crafted in 18K yellow gold and feature two smoky quartz gemstones with a combined weight of approximately 15.00 carats. Th

Jun 04, 2026

Smokey Quartz and Diamond Drop Earrings in 18K Yellow Gold

Est. $4,602-$5,982

$100

BidhausNew York, NY

Certified 6 Ct Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut: Certified 6 Ct VS1 D Color Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut Side Stone is Lab Grown Diamonds Round Cut VS1 E Color - Ring Size US - 6

Jun 04, 2026

Certified 6 Ct Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut

Est. $20,000-$22,000

$50

Gatral GemsDelhi , Delhi

Rachel Koen 14k Yellow Gold Diamond Wedding Band 0.30ct 10: Rachel Koen 14k Yellow Gold Diamond Wedding Band 0.30ct 10 This stunning Rachel Koen wedding band is crafted from premium 14k yellow gold and features a channel set design adorned with 10 natural roun

Jun 05, 2026

Rachel Koen 14k Yellow Gold Diamond Wedding Band 0.30ct 10

Est. $2,613-$3,396

$100

BidhausNew York, NY

Large 14k White Gold Diamond Cross Pendant 0.61ctw Matte Polished Finish: Large 14k White Gold Diamond Cross Pendant 0.61ctw Matte Polished Finish This stunning large cross pendant showcases a beautiful combination of matte and polished finishes, crafted from 14k solid whit

6 days Left

Large 14k White Gold Diamond Cross Pendant 0.61ctw Matte Polished Finish

Est. $4,160-$5,408

$100

Mynt AuctionsNew York, NY

5 days Left

OMEGA CONSTELLATION DIAMOND PG WATCH

Est. $8,025-$11,770

$25

NY Elizabeth Beverly Hills, CA

Platinum Necklace with Graduated South Sea Pearls and Diamonds Art Deco Design: Platinum Necklace with Graduated South Sea Pearls and Diamonds Art Deco Design This Art Deco necklace features a graduated strand of 31 South Sea pearls, each measuring between 16.3 mm and 12.0 mm. Th

4 days Left

Platinum Necklace with Graduated South Sea Pearls and Diamonds Art Deco Design

Est. $14,924-$19,401

$100

Mynt AuctionsNew York, NY

Amethyst & Diamond Stud Earring 10Kt.: Ladies 10Kt Yellow Gold Amethyst & Diamond Stud Earring. This Stud Earring has Purple Amethyst with round Diamonds. Diamonds weight: 0.06ctw.

May 28, 2026

Amethyst & Diamond Stud Earring 10Kt.

Est. $1,149-$1,746

$20

AWS AuctioneersLos Angeles, CA

5 days Left

HERMES H WATCH MINI BEZEL DIAMOND QUARTZ WHITE DIAL WATCH

Est. $4,500-$6,600

$25

NY Elizabeth Beverly Hills, CA

David Yurman Noblesse 18k Gold Sterling Silver Diamond Bracelet: David Yurman Noblesse 18k Gold Sterling Silver Diamond Bracelet This elegant bracelet from David Yurman's Noblesse Collection showcases a stunning combination of sterling silver and 18k yellow gold. T

6 days Left

David Yurman Noblesse 18k Gold Sterling Silver Diamond Bracelet

Est. $3,757-$4,884

$100

Mynt AuctionsNew York, NY

14K White Gold Ruby and Diamond Ring with AIGL Appraisal: An elegant ring crafted in 14K white gold, featuring a vivid oval-cut ruby at center. The rich red gemstone is accented by round brilliant cut diamonds along the halo and shoulders, enhancing the over

Jun 06, 2026

14K White Gold Ruby and Diamond Ring with AIGL Appraisal

Est. $2,250-$3,500

$1,400

Williamson Auction GalleryHollywood, FL

14 kt. Yellow Gold, Emerald and Diamond Pendant on Chain: 14 kt. Yellow Gold, Emerald and Diamond Pendant on Chain center GIA certified octagonal step cut emerald, wt. approx. 15.03 cts., 16.65 x 13.82 x 8.75 mm; openwork braided bezel with 244 round brillia

Jun 05, 2026

14 kt. Yellow Gold, Emerald and Diamond Pendant on Chain

Est. $12,000-$18,000

$6,500

Neal Auction CompanyNew Orleans, LA

H. Stern 18k White Gold Amethyst Smoky Quartz Diamond Ring: H. Stern 18k White Gold Amethyst Smoky Quartz Diamond Ring This exquisite H. Stern ring features a stunning design crafted from solid 18k white gold. The centerpiece is a natural genuine amethyst in a

Jun 04, 2026

H. Stern 18k White Gold Amethyst Smoky Quartz Diamond Ring

Est. $4,849-$6,303

$100

Mynt AuctionsNew York, NY

Kabana 14k Rose Gold Heart Pendant Red Spiny Oyster Diamond: Kabana 14k Rose Gold Heart Pendant Red Spiny Oyster Diamond This Kabana heart pendant is crafted from 14k rose gold and features a striking red spiny oyster inlay, accented by an approximately 0.25 ca

Jun 04, 2026

Kabana 14k Rose Gold Heart Pendant Red Spiny Oyster Diamond

Est. $2,938-$3,819

$100

Mynt AuctionsNew York, NY

Damiani 18k Two Tone Diamond Wire Band Ring Size 6: Damiani 18k Two Tone Diamond Wire Band Ring Size 6 This Damiani ring is a finely crafted piece featuring a ten stack wire band design in 18k two-tone gold, combining both yellow and white gold. Adorne

May 30, 2026

Damiani 18k Two Tone Diamond Wire Band Ring Size 6

Est. $5,421-$7,047

$100

Mynt AuctionsNew York, NY

Certified 4 Ct Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut: Certified 4 Ct VS1 D Color Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut Side Stone is Lab Grown Diamonds 0.60 Pear Cut VS1 E Color - Ring Size US - 7

Jun 04, 2026

Certified 4 Ct Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Round Cut

Est. $12,000-$15,000

$50

Gatral GemsDelhi , Delhi

Certified 10 Ct. Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Pear Cut: Certified 10 Ct. Lab Grown Diamond Pear Cut Engagement Ring in 14K Solid White Gold - F-Color VVS1 Side Stone is 0.70 ct lab Grown Diamond Cut Excellent Luster- Ring Size US- 6.5 -)Ring Resize Availab

Jun 04, 2026

Certified 10 Ct. Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Pear Cut

Est. $25,000-$30,000

$50

Gatral GemsDelhi , Delhi

Certified 12 Ct. Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Pear Cut: Certified 12 Ct. Lab Grown Diamond Pear Cut Engagement Ring in 14K Solid White Gold - F-Color VVS1 Side Stone is 0.70 ct lab Grown Diamond Cut Excellent Luster- Ring Size US- 6.5 -)Ring Resize Availab

Jun 04, 2026

Certified 12 Ct. Lab Grown Diamond Engagement Ring in 14K Solid White Gold - Pear Cut

Est. $20,000-$30,000

$50

Gatral GemsDelhi , Delhi

18K Rose Gold Morganite and Diamond Ring with AIGL Appraisal: A stunning ring crafted in 18K rose gold, featuring a large oval-cut morganite at center with a soft blush-pink hue. The center stone is accented by a halo of round brilliant cut diamonds, with additi

Jun 06, 2026

18K Rose Gold Morganite and Diamond Ring with AIGL Appraisal

Est. $2,750-$4,500

$1,500

Williamson Auction GalleryHollywood, FL

Round Brilliant Cut Natural Diamond with Central Gem Laboratory Certificate: This loose natural diamond is a round brilliant cut and is accompanied by a certificate from Central Gem Laboratory (CGL) in Japan. As specified in CGL Report No. O2150723, the stone has a color grade

Jun 10, 2026

Round Brilliant Cut Natural Diamond with Central Gem Laboratory Certificate

Est. $10-$100,000

$10

Gallery 63Atlanta, GA

Van Cleef & Arpels 18K Yellow Gold, Gemstone & Diamond Bunny Pin: Van Cleef & Arpels 18K Yellow Gold, Gemstone & Diamond Bunny Pin • the eye set with a 0.13 carat emerald cabochon • the nose set with a 0.04 carat faceted round ruby • accented by si

Jun 06, 2026

Van Cleef & Arpels 18K Yellow Gold, Gemstone & Diamond Bunny Pin

Est. $1,500-$2,500

$1,200

Fontaine's Auction GalleryPittsfield, MA

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