Results for “Iridium Ring”

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Platinum 7.5ct Emerald & Diamond Ring: Platinum 7.5ct Emerald & Diamond Ring 20th Century Artist/Designer/Manufacturer: Unknown Marking(s); notes: Iridium Plat Materials: platinum, emerald (approx. 7.5ct) , diamonds ( .12ct) Cataloger Note

Oct 13, 2026

Platinum 7.5ct Emerald & Diamond Ring

Est.

US$1,000

-

US$2,000

US$500

Dania Beach, FL

Akiba Galleries

4.7

(2.1k)

GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw: GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw This vintage women's engagement ring features a 1.72 carat natural Old European cut diamond, certified by GIA with K color a

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GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw

Est.

US$11,518

-

US$14,973

US$100

New York, NY

Bidhaus

4.3

(882)

Tiffany & Co Irid Platinum Diamond Sapphire Cocktail Ring: About This Piece:Crafted in iridium platinum by Tiffany & Co., this ring features a center sapphire (5mm x 4mm) accented with 10 ro

Oct 11, 2026

Tiffany & Co Irid Platinum Diamond Sapphire Cocktail Ring

Est.

US$6,353

-

US$7,305

US$100

Feasterville, PA

Fortrove - Fine Jewelry

4.3

(11)

Platinum Old European Cut Diamond Cluster Ring Art Deco 1930s: Platinum Old European Cut Diamond Cluster Ring Art Deco 1930s Vintage Art Deco diamond cluster ring crafted in platinum and dating to approximately the 1930s. The design features a sculptural navette-

Starts in 5 days

Platinum Old European Cut Diamond Cluster Ring Art Deco 1930s

Est.

US$1,963

-

US$2,551

US$100

New York, NY

Bidhaus

4.3

(882)

Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond: Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond This antique Art Deco engagement ring features a classic design crafted in solid platinum with a 10% iridium alloy, as indicated by th

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Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond

Est.

US$5,811

-

US$7,554

US$4,450

New York, NY

Bidhaus

4.3

(882)

Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond: Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond This antique Art Deco engagement ring features a classic design crafted in solid platinum with a 10% iridium alloy, as indicated by th

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Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond

US$5,660

New York, NY

Diamond Depot

4.3

(16)

PLATINUM RING/PENDANT, 4CTW DIAMONDS, 2CT NATURAL RUBY ( SIZE 7.25 ) 14.4 GRAMS: WOMEN'S PLATINUM RING/PENDANT WITH 4CTS DIAMONDS AND 2CT NATURAL RUBY SIZE 7.25 Women's Platinum Ring/Pendant with 4CTW Diamonds and 2CT Natural Ruby (Size 7.25) HEAVY You are bidding on a pre-owned W

Oct 18, 2026

PLATINUM RING/PENDANT, 4CTW DIAMONDS, 2CT NATURAL RUBY ( SIZE 7.25 ) 14.4 GRAMS

Est.

US$11,219

-

US$12,539

US$9,200

Valley Village, CA

Modern Jewelry

4.5

(221)

GRANAT ART DECO STYLE 900 PLATINUM RING WITH 0.20CTW DIAMONDS (SIZE 6) 4.1 GRAM: GRANAT ART DECO STYLE 90% PLATINUM RING WITH 0.20CT DIAMONDS (SIZE: 6) Granat art deco style 90% Platinum Ring with 0.20ct Diamonds You are bidding on a Granat art deco style 90% Platinum Ring with 0.

Oct 18, 2026

GRANAT ART DECO STYLE 900 PLATINUM RING WITH 0.20CTW DIAMONDS (SIZE 6) 4.1 GRAM

Est.

US$1,019

-

US$1,139

US$830

Valley Village, CA

Modern Jewelry

4.5

(221)

Platinum 0.30ct Diamond and Rubellite Ring: This ring shows ornament held in control. The band is marked “10% Irid Plat,” indicating a platinum-iridium alloy with a slightly firmer feel and bright surface. This band forms a multi-split

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Platinum 0.30ct Diamond and Rubellite Ring

US$2,700

Broomall, PA

Eastern European Art Gallery Inc

4.3

(4)

PLATINUM 0.30CT DIAMOND AND RUBELLITE RING: This ring shows ornament held in control. The band is marked 10% Irid Plat, indicating a platinum-iridium alloy with a slightly firmer feel and bright surface. This band forms a multi-split dome, trac

Starts in 3 days

PLATINUM 0.30CT DIAMOND AND RUBELLITE RING

Est.

US$1,900

-

US$4,750

US$1,900

Las Vegas, NV

Robinhood Auctions

4.6

(881)

Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond: Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond This antique Art Deco engagement ring features a classic design crafted in solid platinum with a 10% iridium alloy, as indicated by th

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Art Deco Platinum Engagement Ring 1.43ct Old European Cut Diamond

US$5,660

New York, NY

Bidhaus

4.3

(882)

Ladies Platinum Diamond Band Ring 1.00 ctw Size 4.5: Ladies Platinum Diamond Band Ring 1.00 ctw Size 4.5 This ladies' band ring features natural princess-cut diamonds set in a platinum band composed of 90% platinum and 10% iridium. The diamonds have a t

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Ladies Platinum Diamond Band Ring 1.00 ctw Size 4.5

US$1,850

New York, NY

Bidhaus

4.3

(882)

GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw: GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw This vintage women's engagement ring features a 1.72 carat natural Old European cut diamond, certified by GIA with K color a

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GIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctw

US$11,220

New York, NY

Diamond Depot

4.3

(16)

Platinum Palladium Stackable Band with .20ctw Natural Pave Diamonds Antique: Platinum Palladium Stackable Band with .20ctw Natural Pave Diamonds Antique This antique band ring features a single row of approximately 0.20 carats total weight of natural, old single cut white diam

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Platinum Palladium Stackable Band with .20ctw Natural Pave Diamonds Antique

US$1,040

New York, NY

Diamond Depot

4.3

(16)

Platinum Diamond Channel Set Band With Old Single Cut Stones 0.10ctw Antique: Platinum Diamond Channel Set Band With Old Single Cut Stones 0.10ctw Antique This antique platinum band ring features ten natural old single cut diamonds set in a classic channel style. The diamonds a

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Platinum Diamond Channel Set Band With Old Single Cut Stones 0.10ctw Antique

US$1,130

New York, NY

Diamond Depot

4.3

(16)

Platinum Cocktail Ring With Aquamarine And Pave Diamonds Four Leaf Clover Motif: Platinum Cocktail Ring With Aquamarine And Pave Diamonds Four Leaf Clover Motif This antique cocktail ring features a 1.24 carat natural round brilliant cut aquamarine in a light blue hue, prong set a

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Platinum Cocktail Ring With Aquamarine And Pave Diamonds Four Leaf Clover Motif

US$2,840

New York, NY

Diamond Depot

4.3

(16)

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