Results for “Platinum Cut”

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Antique Art Deco Platinum Eternity Band Ring 1ctw Diamonds: Antique Art Deco Platinum Eternity Band Ring 1ctw Diamonds This exquisite Antique Art Deco Wide Eternity Band Ring features a stunning combination of (6) baguette diamonds and (30) old single cut diam

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Antique Art Deco Platinum Eternity Band Ring 1ctw Diamonds

2.13 Carat Fancy Yellow Diamond Ring GIA Platinum 18K Gold: 2.13 Carat Fancy Yellow Diamond Ring GIA Platinum 18K Gold This stunning three-stone engagement ring features a radiant cut Fancy Yellow diamond at its center, weighing 2.13 carats, flanked by trapezo

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2.13 Carat Fancy Yellow Diamond Ring GIA Platinum 18K Gold

Vintage GIA Certified 13.89ct Blue Star Sapphire Diamond Ring in Platinum: Vintage GIA Certified 13.89ct Blue Star Sapphire Diamond Ring in Platinum This vintage cocktail ring showcases a stunning 13.29ct natural blue star sapphire, featuring an oval double cabochon cut that

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Vintage GIA Certified 13.89ct Blue Star Sapphire Diamond Ring in Platinum

US$4,740(21 bids)

Classic Solid Platinum 1.65ctw Oval Opal Ring with Diamond Accents: Classic Solid Platinum 1.65ctw Oval Opal Ring with Diamond Accents This exquisite cocktail ring features a stunning natural genuine opal in an oval cabochon cut, showcasing a fiery play of colors. The

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Classic Solid Platinum 1.65ctw Oval Opal Ring with Diamond Accents

Art Deco Platinum Marquise Ring 1.35ct Diamond 60pts Emerald Size 5: Art Deco Platinum Marquise Ring 1.35ct Diamond 60pts Emerald Size 5 This exquisite vintage Art Deco ring is a stunning showcase of craftsmanship, featuring a striking marquise cut diamond weighing 1.3

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Art Deco Platinum Marquise Ring 1.35ct Diamond 60pts Emerald Size 5

Platinum Cocktail Ring With Large Boulder Opal and Diamond Accents: Platinum Cocktail Ring With Large Boulder Opal and Diamond Accents This vintage cocktail ring features a large natural boulder opal with an oval cabochon cut, showcasing a vibrant play of color in bro

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Platinum Cocktail Ring With Large Boulder Opal and Diamond Accents

Platinum Pendant With 5.92ct Opal and Diamond Halo Vintage Jewelry: Platinum Pendant With 5.92ct Opal and Diamond Halo Vintage Jewelry This vintage pendant features a vibrant natural opal with gray base and lively green and blue play of colors, expertly cut in an oval

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Platinum Pendant With 5.92ct Opal and Diamond Halo Vintage Jewelry

US$2,890(15 bids)

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

1.01ct Diamond GIA D COLOR Platinum Ring: GIA-certified 1.01 carat Radiant cut diamond set - size 4 - the ring band is stamped 950

7 days Left

1.01ct Diamond GIA D COLOR Platinum Ring

Lakeland Antique Bazaar

Est. US$5,500-US$55,000

1.01ct Diamond GIA D COLOR Platinum Ring: GIA-certified 1.01 carat Radiant cut diamond set - size 4 - the ring band is stamped 950

May 17, 2026

1.01ct Diamond GIA D COLOR Platinum Ring

Lakeland Antique Bazaar

Est. US$5,500-US$55,000

3CT Emerald Cut Amethyst and Diamond Ring in Sterling Silver: In platinum over .925 sterling silver. Contains one 3ct amethyst with excellent color and clarity. Accented with two genuine diamonds, .01ctw. Size 8. 2.8g

15 hrs Left

3CT Emerald Cut Amethyst and Diamond Ring in Sterling Silver

Eric's Estate & Jewelry

Est. US$109-US$163

Emerald Cut Blue Topaz & Diamond Ring in Sterling Silver: In platinum over .925 sterling silver. Contains one 2.8ct blue topaz gemstone, accented with two genuine diamonds, .01ctw. Size 8. 2.3g

15 hrs Left

Emerald Cut Blue Topaz & Diamond Ring in Sterling Silver

Eric's Estate & Jewelry

Est. US$106-US$159

8MM Trillion Cut Amethyst 3.75CTW Stud Earrings in Sterling Silver: In platinum over .925 sterling silver basket mountings with friction backs included. Contains 2 trillion cut amethyst gemstones with excellent color and clarity,approx. 3.75CTW, 8mm each. 1.8g

2026

8MM Trillion Cut Amethyst 3.75CTW Stud Earrings in Sterling Silver

Eric's Estate & Jewelry

6MM Trillion Cut Citrine 1.85CTW Stud Earrings in Sterling Silver: In platinum over .925 sterling silver basket mountings with friction backs included. Contains 2 trillion cut citrine gemstones with excellent color and clarity,approx. 1.85CTW, 6mm each. 1.2g

2026

6MM Trillion Cut Citrine 1.85CTW Stud Earrings in Sterling Silver

Eric's Estate & Jewelry

8MM Trillion Cut Green Amethyst 3.75CTW Stud Earrings in Sterling Silver: In platinum over .925 sterling silver basket mountings with friction backs included. Contains 2 trillion cut green amethyst gemstones with excellent light green color and excellent clarity,approx. 3.7

2026

8MM Trillion Cut Green Amethyst 3.75CTW Stud Earrings in Sterling Silver

Eric's Estate & Jewelry

6MM Trillion Cut Sky Blue Topaz 2CTW Stud Earrings in Sterling Silver: In platinum over .925 sterling silver basket mountings with friction backs included. Contains 2 trillion cut sky blue topaz gemstones with light sky blue color and excellent clarity,approx. 2CTW, 6mm

2026

6MM Trillion Cut Sky Blue Topaz 2CTW Stud Earrings in Sterling Silver

Eric's Estate & Jewelry

Art Deco Ladies Wrist Watch: Crafted in platinum with blue sapphires surrounding the face. The band features (82) mixed cut diamonds. The watch measures 6 1/4in in length and weighs 14dwt.

3 days Left

Art Deco Ladies Wrist Watch

Kingston Auction House

Est. US$1,500-US$2,000

A PAIR OF PORTRAIT DIAMOND RINGS: A PAIR OF PORTRAIT DIAMOND RINGS Comprising a cut cornered rectangular portrait diamond, measuring approximately 9.30 x 7.80 x 1.50 mm, mounted in platinum, and a brown rectangular portrait diamond me

4 days Left

A PAIR OF PORTRAIT DIAMOND RINGS

Est. US$10,000-US$15,000

Art Deco Sapphire and Diamond Bar Pin: Crafted in platinum featuring channel set sapphires weighing approximately 5.80cttw and (18) old mine cut diamonds weighing approximately 1.50cttw. The bar pin measures 4 1/2in in length and 7mm at it

3 days Left

Art Deco Sapphire and Diamond Bar Pin

Kingston Auction House

Est. US$1,000-US$2,000

BELLE EPOQUE GOLD/PLATINUM STACKED INSECT BROOCH: Name BELLE EPOQUE GOLD/PLATINUM STACKED INSECT BROOCH Dimensions Rose Cut Diamond Wings Ruby Eyes Columbia emerald Opal torso Genuine solid quality High dimensions 45x38mm weight 13.7g Condition

5 days Left

BELLE EPOQUE GOLD/PLATINUM STACKED INSECT BROOCH

Est. US$6,000-US$7,000

FEATURED

AGL Colombian 2.97 Carat Emerald and Diamond Ring: Crafted in platinum featuring (1) emerald cut emerald weighing 2.97ct. The emerald has a AGL report stating that the stone is from Colombia with minor or insignificant oil enhancement. The type is tra

3 days Left

AGL Colombian 2.97 Carat Emerald and Diamond Ring

Kingston Auction House

Est. US$8,000-US$10,000

JEWELRY. PGM Mabe Pearl and Diamond Brooch.: Platinum Group Metals (PGM: Palladium Gold Silver) brooch displaying a central mabe pearl accented by (80) single cut diamonds. Mabe pearl measures approx. 16.5mm. Apparently unmarked. Total approx. w

7 days Left

JEWELRY. PGM Mabe Pearl and Diamond Brooch.

Clarke Auction Gallery

Est. US$800-US$1,200

A RETRO 14K GOLD, RUBY, AND DIAMOND BUCKLE BRACELET: A RETRO 14K GOLD, RUBY, AND DIAMOND BUCKLE BRACELET With calibré-cut ruby and single-cut diamond buckle, platinum accents, weight 24.7 dwt, total length 8 in. For further information on this lot

4 days Left

A RETRO 14K GOLD, RUBY, AND DIAMOND BUCKLE BRACELET

Est. US$3,000-US$5,000

Tiffany & Co. 18K PT950 Etoile Diamond Band: Tiffany and Company 18K Yellow Gold Platinum Etoile Diamond Band, featuring ten flush set round brilliant cut diamonds weighing approx. 0.22 carat, includes Appraisal Report # GAL20235006, dated 23 Ma

May 14, 2026

Tiffany & Co. 18K PT950 Etoile Diamond Band

Auctions at Showplace

Est. US$1,500-US$2,500

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