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Curtis, Edward S. (1868-1952), photographer. A pair of works, comprising two platinum photographs of: Curtis, Edward S. (1868-1952), photographer. A pair of works, comprising two platinum photographs of Native American subjects. Leschi. Signed lower left in the negative by Curtis. 7 5/8 x 5 7/8 in. pl

3 days Left

Curtis, Edward S. (1868-1952), photographer. A pair of works, comprising two platinum photographs of

Est. $800-$1,200

$400

Freeman'sPhiladelphia, Chicago, IL

Jaguar Platinum 22mm Diamond Emerald Ribbon Wristwatch Bracelet: Jaguar Platinum 22mm Diamond Emerald Ribbon Wristwatch Bracelet This exquisite Jaguar wristwatch features a stunning blend of luxury and style with its solid platinum construction and elegant design.

2 days Left

Jaguar Platinum 22mm Diamond Emerald Ribbon Wristwatch Bracelet

Est. $12,480-$16,224

$100

Mynt AuctionsNew York, NY

4 hrs Left

Tiffany & Co. Platinum and Diamond Engagement Ring

Est. $600-$800

$400

Hampton Estate AuctionNew York, NY

Tiffany & Co. Platinum and Diamond Band Ring: Platinum band with 18 prong set round brilliant cut diamond, D-G in color, Internally Flawless - VS2 clarity, approx. 3.02 ctw. Size 6.5. Approx. 5.4 grams inclusive. Sold with Tiffany retail replacem

May 31, 2026

Tiffany & Co. Platinum and Diamond Band Ring

Est. $4,000-$6,000

$1,000

Amero AuctionsSarasota, FL

Diamond and platinum ring: three rings soldered as one, set with three European and 12 single-cut diamonds; estimated total diamond weight: 0.65 carat; weighing approximately 10.38 grams; size: 8. PLEASE NOTE: For combine

4 days Left

Diamond and platinum ring

Est. $500-$700

$300

Turner Auctions + AppraisalsSouth San Francisco, CA

Ladies Tacori Platinum Diamond Ring: Ladies Tacori Platinum Diamond Ring. This Charming Ring has 41 Round / 2 tapered Baguette Diamonds and a center Emerald cut hall of mirror design. Diamond Weight Approx: 2.00ctw. Ring Size: 6.00. Tota

May 20, 2026

Ladies Tacori Platinum Diamond Ring

Est. $8,983-$16,828

$2,400

Pacific Auction HouseLos Angeles, CA

A PLATINUM, 18K GOLD, EMERALD AND DIAMOND RING: A PLATINUM, 18K GOLD, EMERALD AND DIAMOND RING Centering an octagonal-shaped, step-cut emerald, in a surround of round brilliant-cut and half-moon-shaped diamonds; with partial maker's mark; estimated

May 19, 2026

A PLATINUM, 18K GOLD, EMERALD AND DIAMOND RING

Est. $9,000-$12,000

$9,000

BonhamsLos Angeles, CA

Platinum and 14K White Gold Sapphire and Diamond Pendant: METAL: 14K White Gold; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.90 ctw; GEMSTONES: Sapphire; STAMPED: Bail marked 14K; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS): 9.6 g; MEASUREMENTS: Pendant 2 7/8 in

4 hrs Left

Platinum and 14K White Gold Sapphire and Diamond Pendant

Est. $1,200-$1,600

$800

Hampton Estate AuctionNew York, NY

Platinum and Diamond Ring: 2 old European-cut diamonds ap. 2.10 cts., 20 old European-cut diamonds ap. .80 ct., c. 1915, ap. 4.2 dwts. Size 8.

May 21, 2026

Platinum and Diamond Ring

Est. $2,500-$3,500

$1,200

DOYLE Auctioneers & AppraisersNew York, NY

PLATINUM 12CT TW DIAMOND BRACELET: Ladies' platinum prong-set diamond line bracelet consisting of 58 emerald cut natural diamonds with a total weight of 11.83cts, graded H, VS. Gross weight is 22.0 grams. Length measures 7-1/4". Width

Jun 10, 2026

PLATINUM 12CT TW DIAMOND BRACELET

Est. $12,000-$18,000

$6,000

Dan Morphy AuctionsDenver, PA

GIA Certified Platinum Three Stone Ring With Ceylon Sapphire and Old Mine Diamonds: GIA Certified Platinum Three Stone Ring With Ceylon Sapphire and Old Mine Diamonds This vintage platinum three-stone cocktail ring features a certified 3.42 carat natural Ceylon sapphire with a cushio

1 day Left

GIA Certified Platinum Three Stone Ring With Ceylon Sapphire and Old Mine Diamonds

Est. $18,174-$23,626

$100

BidhausNew York, NY

4 hrs Left

Tiffany & Co. Etoile Platinum and Diamond Band Ring

Est. $750-$1,000

$500

Hampton Estate AuctionNew York, NY

Rhapsody Tanzanite, Diamond, Platinum Ring: Rhapsody Tanzanite, Diamond, Platinum Ring. Featuring one marquise-cut tanzanite weighing approximately 4.85 cts., accented by eight princess-cut diamonds weighing a total of approximately 0.50 cttw.,

3 days Left

Rhapsody Tanzanite, Diamond, Platinum Ring

Est. $800-$1,200

$400

Michaan's AuctionsAlameda, CA

A set of eight Moser Splendid Platinum clear cut glass flutes, 20th century and later: A set of eight Moser Splendid Platinum clear cut glass flutes 20th century and later Each with etched factory mark. height 8in (20.3cm)

May 21, 2026

A set of eight Moser Splendid Platinum clear cut glass flutes, 20th century and later

Est. $600-$800

$300

Andrew Jones AuctionsLos Angeles, CA

ART DECO PLATINUM DIAMOND & BLUE SAPPHIRE BRACELET: Ladies' platinum art-deco diamond and sapphire bracelet consisting of 95 round cut natural diamonds with a total weight of 7.00cts and 55 French cut blue sapphires with a total weight of 5.75cts. Gros

Jun 10, 2026

ART DECO PLATINUM DIAMOND & BLUE SAPPHIRE BRACELET

Est. $10,000-$15,000

$5,000

Dan Morphy AuctionsDenver, PA

Platinum unheated kashmir sapphire diamond ring GIA: Platinum unheated Kashmir natural sapphire and diamond ring. Comes with GIA report. Total 1.52 carats natural unheated sapphire and total 0.94 carats nautral diamonds. US ring size 6.60."

2 days Left

Platinum unheated kashmir sapphire diamond ring GIA

Est. $2,400-$3,400

$500

West Coast Auction Gallery IRVINE, CA

Exquisite 13.30 Ct Diamond Earrings in Platinum & 18K Gold: Exquisite 13.30 Ct Diamond Earrings in Platinum & 18K Gold Stunning Platinum and 18K Yellow Gold earrings featuring a total diamond weight of 13.30 carats. These exquisite earrings are adorned with 2

27 mins Left

Exquisite 13.30 Ct Diamond Earrings in Platinum & 18K Gold

Est. $25,792-$33,529

$100

Mynt AuctionsNew York, NY

Van Cleef & Arpels Une Soiree A L'Opera Sapphire Platinum Ring 2.11ct 950: Van Cleef & Arpels Une Soiree A L'Opera Sapphire Platinum Ring 2.11ct 950 This exquisite Van Cleef & Arpels Une Soiree A L'Opera ring features a stunning sapphire set in luxurious platinum, crafted wi

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Van Cleef & Arpels Une Soiree A L'Opera Sapphire Platinum Ring 2.11ct 950

Est. $28,236-$36,706

$100

BidhausNew York, NY

Oscar Heyman & Brothers Gold, Platinum and Diamond Ring: 18 kt., 18 round diamonds ap. 1.05 cts., with maker's mark, no. 97487, ap. 5.2 dwts. Size 6 1/2.

May 21, 2026

Oscar Heyman & Brothers Gold, Platinum and Diamond Ring

Est. $1,800-$2,500

$900

DOYLE Auctioneers & AppraisersNew York, NY

Art Deco Platinum 14k Gold Diamond Turquoise Brooch: Art Deco Platinum 14k Gold Diamond Turquoise Brooch Early 20th Cent. Art deco brooch, with elongated navette form, crafted in 14k gold with a platinum topped front. Three natural turquoise cabochon st

May 26, 2026

Art Deco Platinum 14k Gold Diamond Turquoise Brooch

Est. $1,500-$3,000

$1,000

Akiba GalleriesDania Beach, FL

Platinum Paraiba Tourmaline and Diamond Cluster Cocktail Ring: Natural Paraiba tourmaline and diamond cluster cocktail ring in platinum. The 0.17 carat oval-cut neon blue-green center stone is confirmed by laboratory analysis to contain copper and manganese, acce

1 day Left

Platinum Paraiba Tourmaline and Diamond Cluster Cocktail Ring

Est. $10-$100,000

$20

Gallery 63Atlanta, GA

Platinum Old-European Cut and Single Cut Diamond Ring & Band Set: METAL: Platinum; APPROXIMATE TOTAL DIAMOND WEIGHT: 0.86 ctw; STAMPED: Ring marked: IRID, 900p, rubbed mark; Band ring marked: IRID 900PLAT, Rubbed marks; CONDITION: Pre-owned, Good; ITEM WEIGHT (GRAMS

4 hrs Left

Platinum Old-European Cut and Single Cut Diamond Ring & Band Set

Est. $750-$1,000

$500

Hampton Estate AuctionNew York, NY

Antique Edwardian 18k Gold Platinum GIA 3.40ct Sapphire Diamond Ring: Antique Edwardian 18k Gold Platinum GIA 3.40ct Sapphire Diamond Ring This exquisite Antique Edwardian ring showcases a stunning blend of 18k yellow gold and platinum, featuring a remarkable 3.40ctw of

27 mins Left

Antique Edwardian 18k Gold Platinum GIA 3.40ct Sapphire Diamond Ring

Est. $14,079-$18,302

$100

Mynt AuctionsNew York, NY

Art Deco Platinum Diamond Sapphire Ring: Art Deco Platinum Diamond and Sapphire Ring, adorned with 15 round diamonds weighing total of approx. 0.36 carat, further decorated with two French cut synthetic blue sapphires weighing a total of app

May 21, 2026

Art Deco Platinum Diamond Sapphire Ring

Est. $300-$500

$250

Auctions at ShowplaceAstoria, NY

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