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Vintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond Ring: Vintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond Ring This exquisite vintage cocktail ring showcases a stunning natural cabochon blue star sapphire, weighing an impressive 16.80ct. Th

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Vintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond Ring

A Modern Unheated 7.15 ct Yellow Sapphire Ring in 18K: 18K yellow gold ring featuring a radiant cut unheated yellow sapphire weighing 7.15 carats, accompanied by GIA Gemological Report #5191171003, bezel set with high polish shank, sz 6.75, 5.8 grams

4 days Left

A Modern Unheated 7.15 ct Yellow Sapphire Ring in 18K

Est. $3,000-$5,000

GIA Certified 3.61ct Natural No Heat Pink Sapphire Diamond Solitaire Ring: GIA Certified 3.61ct Natural No Heat Pink Sapphire Diamond Solitaire Ring This exquisite solitaire ring showcases a stunning 3.02 ct natural pink sapphire, certified by GIA and featuring no heat treat

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GIA Certified 3.61ct Natural No Heat Pink Sapphire Diamond Solitaire Ring

PLATINUM 9.57CT SAPPHIRE RING: Platinum 9.57 GIA certified Sapphire ring with .47cts diamonds . gross weight 10.7grams .size 6.75 . Please see all photos, appraisal, and GIA#2235581765. Note: this lot must be paid with bank wire tr

Mar 07, 2026

PLATINUM 9.57CT SAPPHIRE RING

Est. $6,000-$9,000

Art Deco 2.27ct Ceylon Sapphire Diamond Ring 18k White Gold GIA Appraisal: Art Deco 2.27ct Ceylon Sapphire Diamond Ring 18k White Gold GIA Appraisal This exquisite Art Deco style ring showcases a stunning 2.27 carat total gemstone weight, featuring a 1.56 carat round Ceylon

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Art Deco 2.27ct Ceylon Sapphire Diamond Ring 18k White Gold GIA Appraisal

PLATINUM KASHMIRE SAPPHIRE AND DIAMOND RING: Platinum ring with GIA unheated sapphire weighing 3.29ct surrounded by .72cts of diamonds. size 6.5 gross weight 9.2grams. Please see all photos, appraisal, and GIA#2225955185. Note: this lot must be

Mar 07, 2026

PLATINUM KASHMIRE SAPPHIRE AND DIAMOND RING

Est. $4,000-$6,000

Gold, Diamond, Sapphire and Sapphire Ring: 18 kt., one bezel-set round diamond weighing 1.86 cts., 10 round sapphires, 2 small round cabochon sapphires, ap. 6 dwts. Size 6 1/4. With GIA report no. 5301638 stating G color, VS1 clarity, dated 7/

4 days Left

Gold, Diamond, Sapphire and Sapphire Ring

DOYLE Auctioneers & Appraisers

Est. $6,000-$8,000

PLATINUM PINK SAPPHIRE AND DIAMOND RING: Platinum ring mounted with GIA certified pink sapphire weighing 2.23 carats and surrounded by .54cts of diamonds. gross weight is 7.6 grams. Please see all photos, appraisal, and GIA#5222948184. Note:

Mar 07, 2026

PLATINUM PINK SAPPHIRE AND DIAMOND RING

Est. $5,000-$7,000

A 5.02 ct Unheated Burmese Sapphire & Diamond Ring in Platinum: Platinum ring featuring an oval unheated Burmese sapphire weighing 5.02 carats accompanied by a GIA Sapphire Origin Report #2235657604, with marquise and round diamonds weighing approx. 0.35 ctw set o

4 days Left

A 5.02 ct Unheated Burmese Sapphire & Diamond Ring in Platinum

Est. $3,000-$5,000

Platinum Cushion Cut 3.08 Carat Blue Sapphire & Diamond Ring: Platinum ring with cushion cut 3.08 carat light blue sapphire and (54) round cut .39 ctw diamonds. The ring comes with a GGA gemological report and a GIA gemological report for just the blue sapphire.

4 days Left

Platinum Cushion Cut 3.08 Carat Blue Sapphire & Diamond Ring

Kraft Auction Service

Est. $25-$100,000

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 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 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 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)

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 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

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

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