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Vintage 1950s Platinum Diamond Ruby Sapphire Earrings 2" Length: Vintage 1950s Platinum Diamond Ruby Sapphire Earrings 2" Length These exquisite 1950's earrings are crafted from platinum and feature a stunning arrangement of diamonds, rubies, and sapphires. Weighin

18 hrs Left

Vintage 1950s Platinum Diamond Ruby Sapphire Earrings 2" Length

Est. US$6,500-US$8,450

US$100

Mynt AuctionsNew York, NY

Platinum GIA Certified 1.68ctw Cushion Ruby & Diamond Cocktail Ring: Platinum GIA Certified 1.68ctw Cushion Ruby & Diamond Cocktail Ring This exquisite cocktail ring showcases a stunning natural cushion ruby, prong set to highlight its deep red color and weighing 1.27c

18 hrs Left

Platinum GIA Certified 1.68ctw Cushion Ruby & Diamond Cocktail Ring

Est. US$2,964-US$3,853

US$100

Mynt AuctionsNew York, NY

1.28CTW DIA 2.58CT BURMESE RUBY PLATINUM RING GIA: Platinum (PLAT) natural Burmese ruby corundum and diamond ring. An oval brilliant cut natural Burmese ruby corundum gemstone is mounted in the center of the ring. Baguette and round brilliant cut diam

May 30, 2026

1.28CTW DIA 2.58CT BURMESE RUBY PLATINUM RING GIA

Est. US$3,750-US$10,000

US$900

Florida Estate Sales Inc.Tallahassee, FL

Platinum, Carved Sapphire, Ruby and Diamond Leaf Clip-Brooch: One carved sapphire leaf ap. 29.08 x 16.51 x 4.75 mm., 17 round diamonds ap. 1.05 cts., single-cut diamonds, rectangular and fancy-shaped rubies, ap. 14.5 dwts. With GIA report no. 6233851908 stating

May 21, 2026

Platinum, Carved Sapphire, Ruby and Diamond Leaf Clip-Brooch

Est. US$2,000-US$3,000

US$1,000

DOYLE Auctioneers & AppraisersNew York, NY

GIA Burmese Ruby VS2 Diamond Platinum Bracelet: Featured in this lot is this Burmese ruby VS2 diamond platinum bracelet with GIA and GGA paperwork. The bracelet is polished, stamped, and tested platinum construction that is marked as follows: Aaron

6 days Left

GIA Burmese Ruby VS2 Diamond Platinum Bracelet

Est. US$40,000-US$50,000

US$5,500

North American Auction Co.Bozeman, MT

Vintage Platinum Cocktail Ring AGL Certified 4.84ctw Burma Star Ruby and Diamond: Vintage Platinum Cocktail Ring AGL Certified 4.84ctw Burma Star Ruby and Diamond This exquisite vintage cocktail ring features a stunning natural star ruby, showcasing its prominent star effect. The r

18 hrs Left

Vintage Platinum Cocktail Ring AGL Certified 4.84ctw Burma Star Ruby and Diamond

Est. US$6,773-US$8,804

US$100

Mynt AuctionsNew York, NY

Platinum AGL GIA Cushion Pink Sapphire Ruby Diamond Engagement Ring: Platinum AGL GIA Cushion Pink Sapphire Ruby Diamond Engagement Ring This exquisite engagement ring features a stunning cushion-cut pink sapphire from Mozambique, weighing 2.25 carats, and is complemen

4 days Left

Platinum AGL GIA Cushion Pink Sapphire Ruby Diamond Engagement Ring

Est. US$14,378-US$18,691

US$100

Mynt AuctionsNew York, NY

PLATINUM DIAMOND AND 2.09CT NO-HEAT BURMESE RUBY RING: This platinum ring presents a 2.09 carat Burmese ruby accompanied by documentation confirming no heat treatment. The pinkish-red stone is secured by four prongs and set approximately 5mm above the fin

5 days Left

PLATINUM DIAMOND AND 2.09CT NO-HEAT BURMESE RUBY RING

Est. US$9,500-US$38,000

US$9,500

Robinhood AuctionsLas Vegas, NV

Art Deco Platinum Diamond & Ruby Ring: Art Deco Platinum Diamond & Ruby Ring Early 20th Cent. Art deco era platinum band ring set with alternating square cut rubies and round brilliant cut diamonds in a continuous channel. Total weight: 2.

May 21, 2026

Art Deco Platinum Diamond & Ruby Ring

Est. US$200-US$400

US$100

Akiba GalleriesDania Beach, FL

PLATINUM 2.90CT DIAMOND AND BURMA RUBY RING: A breathtaking 13.47 carat Burma No Heat Ruby makes a statement at the center of this luxury ring. Bold and incredibly impressive, an exquisite halo of Diamonds totaling 2.90 carats surround the cente

5 days Left

PLATINUM 2.90CT DIAMOND AND BURMA RUBY RING

Est. US$19,000-US$76,000

US$19,000

Robinhood AuctionsLas Vegas, NV

EDWARDIAN FRENCH 18K GOLD AND PLATINUM DIAMOND AND RUBY BROOCH PENDANT, 1901-1910.: Dimensions: 1 9/16 x 1 9/16 in (4 x 3.9 cm); Weight: 7.4 g; Period: 1901-1910.This elegant brooch pendant is crafted with an 18k gold base and topped with repoussé platinum, embodying the ethereal an

2 days Left

EDWARDIAN FRENCH 18K GOLD AND PLATINUM DIAMOND AND RUBY BROOCH PENDANT, 1901-1910.

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

US$500

oldstone ventures llcSummit, NJ

Platinum, Ruby, and Diamond Cluster Ring: A vintage-style cocktail ring crafted in platinum 900. The design features a central oval mixed-cut ruby, approximately 1.71 carats, exhibiting a vibrant pinkish-red color with natural internal charac

May 27, 2026

Platinum, Ruby, and Diamond Cluster Ring

Est. US$10-US$100,000

US$10

Gallery 63Atlanta, GA

1.28CT BURMESE RUBY PLATINUM LADIES RING W DIA GIA: One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 1 genuine GIA certified Burmese. Ruby cent stone weighing 1.28 carts, and 56 genuine round diamonds wei

May 30, 2026

1.28CT BURMESE RUBY PLATINUM LADIES RING W DIA GIA

Est. US$2,450-US$10,000

US$600

Florida Estate Sales Inc.Tallahassee, FL

Platinum Engagement Ring with GIA Certified Diamond and Pear Shaped Ruby Accents: Platinum Engagement Ring with GIA Certified Diamond and Pear Shaped Ruby Accents This platinum engagement ring features a natural, GIA-certified round brilliant cut diamond at its center, graded I col

4 days Left

Platinum Engagement Ring with GIA Certified Diamond and Pear Shaped Ruby Accents

Est. US$9,620-US$12,506

US$100

BidhausNew York, NY

PLATINUM BURMESE RUBY & DIMOND NECKLACE W/GIA REPORT: Ladies' platinum Burmese ruby (27.38ctw) and diamond (10.32ctw) necklace accompanied by an original GIA ruby origin report and an AIGL appraisal report with an ERRV of $85,623.00 (See additional websi

Jun 10, 2026

PLATINUM BURMESE RUBY & DIMOND NECKLACE W/GIA REPORT

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

US$5,000

Dan Morphy AuctionsDenver, PA

Vintage Platinum GIA Certified 2.72ctw Star Ruby Diamond Cocktail Ring: Vintage Platinum GIA Certified 2.72ctw Star Ruby Diamond Cocktail Ring This exquisite vintage cocktail ring showcases a stunning 2.72ctw cabochon star ruby, accented beautifully by round and marquise

4 days Left

Vintage Platinum GIA Certified 2.72ctw Star Ruby Diamond Cocktail Ring

Est. US$7,722-US$10,038

US$100

BidhausNew York, NY

A PAIR OF PLATINUM, RUBY AND DIAMOND EARRINGS: A PAIR OF PLATINUM, RUBY AND DIAMOND EARRINGS Comprising cushion and oval-shaped rubies, weighing 8.16 carats total, accented with round brilliant-cut and marquise and pear-shaped diamonds; estimated

May 19, 2026

A PAIR OF PLATINUM, RUBY AND DIAMOND EARRINGS

Est. US$8,000-US$12,000

US$10

BonhamsLos Angeles, CA

Platinum PT900 Ruby and Diamond Necklace: Platinum PT900 Ruby and Diamond Necklace This necklace features a vibrant ruby as the main stone set in PT900 platinum, offering a sophisticated and elegant design. The piece is in very good, un-used

2 days Left

Platinum PT900 Ruby and Diamond Necklace

Est. US$1,625-US$2,112

US$100

Mynt AuctionsNew York, NY

JEWELRY Ruby Diamond Ring in PT900 Platinum Size 6.25: JEWELRY Ruby Diamond Ring in PT900 Platinum Size 6.25 This exquisite ring features a stunning red ruby centerpiece, beautifully complemented by sparkling diamonds. Crafted from high-quality PT900 plat

18 hrs Left

JEWELRY Ruby Diamond Ring in PT900 Platinum Size 6.25

Est. US$1,807-US$2,349

US$100

Mynt AuctionsNew York, NY

MAUBOUSSIN PLATINUM 1.30CT DIAMOND AND RUBY RING: This Mauboussin ring is an exciting piece that will continually capture your imagination. The dynamic Platinum setting is elevated by Diamonds totaling 1.30 carats. At the center, a 2.60 carat Ruby ca

5 days Left

MAUBOUSSIN PLATINUM 1.30CT DIAMOND AND RUBY RING

Est. US$5,000-US$20,000

US$5,000

Robinhood AuctionsLas Vegas, NV

PLATINUM BURMESE RUBY & DIAMOND NECKLACE W/GIA REPORT: Ladies' platinum Burmese ruby (18.67ctw) and diamond (5.81ctw) necklace accompanied by an original GIA ruby origin report and a GGA appraisal report with an ERRV of $71,290.00 (See additional website

Jun 10, 2026

PLATINUM BURMESE RUBY & DIAMOND NECKLACE W/GIA REPORT

Est. US$8,000-US$12,000

US$4,000

Dan Morphy AuctionsDenver, PA

PLATINUM AND GOLD RING WITH STAR RUBY AND DIAMONDS: Dimensions: Inner diameter: 23/32 in. (18.4 mm); Weight: 14.1 g This bold ring features a vibrant cabochon-cut natural star ruby weighing approximately 9.26 carats, secured by four double prongs in a

2 days Left

PLATINUM AND GOLD RING WITH STAR RUBY AND DIAMONDS

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

US$800

oldstone ventures llcSummit, NJ

Pt850 Platinum Ring with Ruby and Diamonds Size 5: Pt850 Platinum Ring with Ruby and Diamonds Size 5 This elegant ring features a vibrant ruby as the main stone, set in high-quality Pt850 platinum. Designed in a classic style, the ring is a US size 5

15 hrs Left

Pt850 Platinum Ring with Ruby and Diamonds Size 5

Est. US$1,989-US$2,585

US$100

BidhausNew York, NY

2 CARAT DIAMOND, PLATINUM & RUBY ENGAGEMENT RING: Pear shaped (2) Carat diamond flanked by (2) pear shaped rubies in platinum (tested) setting. Size 5 1/4. Gross weight 6.92 grams. Note: Matches lot 401

May 31, 2026

2 CARAT DIAMOND, PLATINUM & RUBY ENGAGEMENT RING

Est. US$2,000-US$4,000

US$1,000

John McInnis Auctioneers,LLCAmesbury, MA

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