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PLATINUM PINK SAPPHIRE AND DIAMOND RING: Platinum ring with certified GIA pink sapphire weighing 1.29ct surrounded by .63cts of round diamonds. size 6.5. gross weight is 3.6 grams . Please see all photos, appraisal, and GIA#62335699869

Mar 07, 2026

PLATINUM PINK SAPPHIRE AND DIAMOND RING

Est. $2,000-$4,000

Oscar Friedman 18K Sapphire and Diamond Ring: Oscar Friedman 18K Sapphire and Diamond Ring. Sapphire weight is 2.67 carat. Diamond weight is 1.36 carat. Total weight is 6.8 grams. Ring size 7.25. Comes with AIGL and GIA Report. All invoices must

Mar 26, 2026

Oscar Friedman 18K Sapphire and Diamond Ring

Bodnar's Auction Sales

Est. $3,000-$5,000

GIA Certified 12.30 Ct Ceylon Sapphire Diamond Ring in 18K White Gold: GIA Certified 12.30 Ct Ceylon Sapphire Diamond Ring in 18K White Gold This exquisite 18K white gold ring showcases a stunning GIA Certified Ceylon sapphire weighing 12.30 Ct., surrounded by approximat

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GIA Certified 12.30 Ct Ceylon Sapphire Diamond Ring in 18K White Gold

$11,220(13 bids)

Platinum Halo Ring with GIA Ceylon No Heat Sapphire and Diamonds 10.56ctw: Platinum Halo Ring with GIA Ceylon No Heat Sapphire and Diamonds 10.56ctw This stunning cocktail ring showcases a natural Ceylon sapphire with no heat treatment, certified by GIA. The centerpiece is a

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Platinum Halo Ring with GIA Ceylon No Heat Sapphire and Diamonds 10.56ctw

$18,640(23 bids)

GIA 14.53ct No Heat Ceylon Sapphire Diamond Ring 18k White Gold: GIA 14.53ct No Heat Ceylon Sapphire Diamond Ring 18k White Gold This exquisite ring features a stunning unheated lavender Ceylon sapphire, weighing 14.53 carats, surrounded by a double halo of 52 roun

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GIA 14.53ct No Heat Ceylon Sapphire Diamond Ring 18k White Gold

$31,660(15 bids)

GIA Certified 18k Gold Floral Brooch with Aquamarine Sapphires Rubies Emeralds Diamonds: GIA Certified 18k Gold Floral Brooch with Aquamarine Sapphires Rubies Emeralds Diamonds Discover a truly exquisite vintage brooch, masterfully handcrafted from solid 18k yellow gold. This stunning pie

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GIA Certified 18k Gold Floral Brooch with Aquamarine Sapphires Rubies Emeralds Diamonds

$11,210(14 bids)

VINTAGE PLATINUM ENGAGEMENT RING 2.07CT. NATURAL UNTREATED BLUE SAPPHIRE RADIANT: VINTAGE PLATINUM ENGAGEMENT RING 2.07CT. NATURAL UNTREATED BLUE SAPPHIRE RADIANT GORGEOUS platinum Vintage engagement ring natural blue sapphire ring GIA cert laboratory. center Natural Sapphire in ra

Mar 08, 2026

VINTAGE PLATINUM ENGAGEMENT RING 2.07CT. NATURAL UNTREATED BLUE SAPPHIRE RADIANT

Est. $9,775-$10,925

PLATINUM ENGAGEMENT RING 6.64CT.NATURAL UNTREATED BURMA SAPPHIRE RADIANT SHAPE: PLATINUM ENGAGEMENT RING 6.64CT.NATURAL UNTREATED BURMA SAPPHIRE RADIANT SHAPE Platinum BURMA sapphire ring Center stone Natural unheated untreated BURMA sapphire GIA CERT. Radiant shape weight 6.04ct

Mar 08, 2026

PLATINUM ENGAGEMENT RING 6.64CT.NATURAL UNTREATED BURMA SAPPHIRE RADIANT SHAPE

Est. $55,250-$61,750

Vintage French 18k Gold Sapphire & Diamond Ring: Vintage French 18k Gold Sapphire & Diamond RingCirca 1940s-1950s, FrenchAntique French 18k yellow gold ring centered with a bezel-set oval natural sapphire measuring 11.02 × 8.22 × 4.86 mm, weighing

2 days Left

Vintage French 18k Gold Sapphire & Diamond Ring

Akiba Galleries

Est. $3,000-$5,000

GIA 14K WHITE GOLD ENGAGEMENT RING 10.41CT. NATURAL BLUE CUSHION SHAPE: GIA 14K WHITE GOLD ENGAGEMENT RING 10.41CT. NATURAL BLUE CUSHION SHAPE GORGEOUS 14K WHITE GOLD engagement ring natural blue sapphire in cushion shape center weight 10.41ct. size 13.3x11.3mm very nice

Mar 08, 2026

GIA 14K WHITE GOLD ENGAGEMENT RING 10.41CT. NATURAL BLUE CUSHION SHAPE

Est. $21,250-$23,750

Antique 14k Gold Sapphire & Diamond Bar Brooch: Antique 14k Gold Sapphire & Diamond Bar BroochCirca 1920s-1930sAntique 14k gold bar brooch centered with a cushion-cut natural sapphire measuring 6.66 × 6.45 mm, weighing approximately 1.4 carats, of

2 days Left

Antique 14k Gold Sapphire & Diamond Bar Brooch

Akiba Galleries

Est. $3,000-$6,000

Hexagon Cut Unheated Ruby And Diamond Crossover Ring,GIA: Origin: Contemporary Metal: 18K yellow gold Gemstone(s)Ruby approx.9.73 carats total unheated GIA # 2233482930; sapphires approx.0.90 carats total Measurements: 1 1/4 inch wide Ring Size: 7 Weight: 6.

5 days Left

Hexagon Cut Unheated Ruby And Diamond Crossover Ring,GIA

Est. $2,000-$3,000

VINTAGE 14K WHITE GOLD ENGAGEMENT RING 2.87CT.NATURAL BLUE SAPPHIRE OVAL CUT: VINTAGE 14K WHITE GOLD ENGAGEMENT RING 3.57CT.NATURAL BLUE SAPPHIRE OVAL CUT GIA GORGEOUS vintage 14K WHITE GOLD engagement ring natural blue sapphire in oval shape center sapphire weight 3.57carat .

Mar 08, 2026

VINTAGE 14K WHITE GOLD ENGAGEMENT RING 2.87CT.NATURAL BLUE SAPPHIRE OVAL CUT

Est. $9,605-$10,735

GIA 7.31ct Gem Quality Radiant Cut Tanzanite Platinum Diamond Designer Signed Ring w/ Appraisal: Title: GIA 7.31ct Gem Quality Radiant Cut Tanzanite Platinum Diamond Designer Signed Ring w/ Appraisal Description: A spectacular 7.31ct radiant cut tanzie is the star of the show here in this design

Mar 11, 2026

GIA 7.31ct Gem Quality Radiant Cut Tanzanite Platinum Diamond Designer Signed Ring w/ Appraisal

Hess Fine Auctions

Est. $3,000-$4,000

Burmese Sapphire, Diamond and Platinum Drop Earrings: Description: Burmese Sapphire, Diamond and Platinum Drop Earrings, platinum drop earrings each featuring cushion cut sapphires and two baguettes (Burma, no heat, approx. 5.30 cts total) with vari

4 days Left

Burmese Sapphire, Diamond and Platinum Drop Earrings

Everard Auctions & Appraisals

Est. $6,000-$8,000

Platinum Sapphire and Diamond Necklace: Platinum Sapphire and Diamond Necklace. Sapphire weight is approx. 32.75 carats. Diamond weight is approx. 3.42 carats. Total necklace weight is 41.8 grams. Necklace measures 17" long. Comes with a GG

Mar 26, 2026

Platinum Sapphire and Diamond Necklace

Bodnar's Auction Sales

Est. $10,000-$15,000

Sapphire, Diamond, Ruby and 18K Earrings: Vintage Sapphire, Diamond, Ruby and 18 Karat White Gold Earrings. Set with approx. 9.0 carat TW two cabochon sapphires, 2.50 carat TW two round brilliant cut diamonds and 9.0 carat TW two cabochon rub

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Sapphire, Diamond, Ruby and 18K Earrings

Kodner Galleries Inc.

$15,000(6 bids)

VINTAGE 18K WHITE GOLD FILIGREE ENGAGEMENT RING 2.01CT EURO CUT DIAMOND 1920'S: VINTAGE 18K WHITE GOLD FILIGREE ENGAGEMENT RING 2.01CT EURO CUT DIAMOND 1920'S Gorgeous Vintage art deco filigree 18k white gold Engagement ring natural round old mine euro cut Diamond circ 1920's cen

Mar 08, 2026

VINTAGE 18K WHITE GOLD FILIGREE ENGAGEMENT RING 2.01CT EURO CUT DIAMOND 1920'S

Est. $46,750-$52,250

PLATINUM SAPPHIRE & DIAMOND RING BY DINO: PLATINUM SAPPHIRE & DIAMOND RING BY DINO: Platinum handmade ring contains 1 oval cabochon sapphire. (Sri Lanka/Ceylon). Sapphire weight: 3.54 Ct., 40 round brilliant cut diamonds. Diamond weight: 2.21

2026

PLATINUM SAPPHIRE & DIAMOND RING BY DINO

Burchard Galleries Inc

Ceylon Sapphire, Diamond and Platinum Ring: Description: Ceylon Sapphire, Diamond and Platinum Ring, platinum ring featuring a cushion cut modified brilliant blue sapphire (Ceylon, no heat, approx. 5.31 cts, 11.18 mm x 7.72 mm x 5.56 mm) s

4 days Left

Ceylon Sapphire, Diamond and Platinum Ring

Everard Auctions & Appraisals

Est. $5,000-$7,000

VINTAGE 18K WHITE GOLD ENGAGEMENT RING 9.86CT. NATURAL BLUE SAPPHIRE 1920'S: VINTAGE 18K WHITE GOLD ENGAGEMENT RING 9.86CT. NATURAL BLUE SAPPHIRE 1920'S Gorgeous Vintage art deco filigree 18k white rose gold engagement ring blue sapphire in emerald shape circ 1920's center nat

Mar 08, 2026

VINTAGE 18K WHITE GOLD ENGAGEMENT RING 9.86CT. NATURAL BLUE SAPPHIRE 1920'S

Est. $21,250-$23,750

A Group of 14K Gold and Jade Pendants: A Group of 14K Gold and Jade PendantsIncluding a green jade disc pendant, a variegated violet gray and orangy brown carved jade pendant together with a green jade pendant accented by rubies, sapphire,

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A Group of 14K Gold and Jade Pendants

John Moran Auctioneers, Inc.

Diamond, Sapphire, Ruby and 18K Bracelet: Vintage Circa 1960s Retro Modern Design Approx. 1.50 Carat TW Round Brilliant Cut Diamond, 20.0 Carat TW Baguette Cut Rubies and Sapphires and 18 Karat White Gold Bangle Bracelet. Diamonds G-H color,

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Diamond, Sapphire, Ruby and 18K Bracelet

Kodner Galleries Inc.

GIA Certified 4.51ct Natural Padparadscha Diamonds Ring 18kt Gold Mod Halo 12625: Title: GIA Certified 4.51ct Natural Padparadscha Diamonds Ring 18kt Gold Mod Halo 12625 Description: GIA Certified 4.51ct Natural Padparadscha Diamonds Ring 18kt Gold Mod Halo 12625 $35,000.00 PRODUCT

2026

GIA Certified 4.51ct Natural Padparadscha Diamonds Ring 18kt Gold Mod Halo 12625

Chairish Auctions

Est. $39,000-$47,000

Buy Now for $32,550.00

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