Skip to main content
Want more images or videos?
Request additional images or videos from the seller
1 of 8

GIA Certified 30.37 Carat Oval Cabochon Star Sapphire Diamond Platinum Ring

About the Item

Vintage purple natural 30.37 carat oval star sapphire and diamond engagement ring. GIA certified platinum setting with a star sapphire cabochon center stone, accented with 40 single cut diamonds. Minor natural surface abrasions. 1 oval cabochon gray purple display asterism star sapphire approx. 30.37cts GIA Certificate 2205307266 40 single cut diamonds, approx. .52cts G-H SI Size 5.5 and sizable Platinum 11.6 grams Width at top: 18.43mm Height at top: 10.0mm Width at bottom: 1.4mm

More From This Seller

View All
GIA Certified 6.37 Carat Star Sapphire Diamond Platinum Ring
Located in Stamford, CT
Natural GIA certified untreated 6.37 carat cabochon oval star sapphire, translucent soft violet blue with well defined center star. Set with two round brilliant cut side diamonds in a platinum setting. 1 oval cabochon violet blue display asterism sapphire...
Category

Mid-20th Century Engagement Rings

Materials

Diamond, Sapphire, Star Sapphire, Platinum

GIA Certified 45.18 Carat Star Sapphire Diamond Platinum Cocktail Ring
Located in Stamford, CT
Vintage 1920's translucent 45.18 carat star sapphire Art Deco cocktail ring. Platinum setting accented with trapezoid, kite and round diamonds. GIA certified no heat, no enhancement...
Category

Early 20th Century Cocktail Rings

Materials

Blue Sapphire, Sapphire, Star Sapphire, Diamond, Platinum

GIA Certified 6.50 Carat Natural Star Sapphire Diamond Men's Platinum Ring
Located in Stamford, CT
Art Deco 1920’s men’s violet blue star Sapphire diamond ring. Set in platinum with diamond accents. Excellent translucency and well-formed star. See GIA pic...
Category

Early 20th Century Art Deco Cocktail Rings

Materials

Diamond, Blue Sapphire, Sapphire, Star Sapphire, Platinum

GIA Certified 30.00 Star Sapphire Diamond Platinum Art Deco Engagement Ring
Located in Stamford, CT
Art Deco 1920’s star sapphire engagement ring. GIA certified medium blue high dome cabochon star sapphire with a distinct 6 legged star. Handmade pl...
Category

Early 20th Century Engagement Rings

Materials

Diamond, Star Sapphire, Sapphire, Platinum

GIA Certified 7.77 Carat Star Sapphire Diamond White Gold Cabochon Ring
Located in Stamford, CT
GIA certified natural purple pink cabochon star sapphire diamond ring. 7.77 carat oval center sapphire with a halo of 12 old European cut diamonds in a 14k white gold setting. Circa ...
Category

Mid-20th Century Engagement Rings

Materials

Sapphire, Star Sapphire, Diamond, Gold, White Gold, 14k Gold

GIA Certified 2.30 Carat Sapphire Diamond Yellow Gold Cocktail Ring
Located in Stamford, CT
1960's yellow green sapphire and diamond cocktail ring. Octagonal greenish yellow natural no heat 2.30cts center sapphire cer...
Category

Mid-20th Century Cocktail Rings

Materials

Sapphire, Diamond, Gold, Yellow Gold, 18k Gold

You May Also Like

GIA Certified 30.18 Carat Oval Sapphire Cabochon Diamond Cocktail Ring
By M&V Vanguard Jewelry
Located in New York, NY
GIA Certified 30.18 Carat Oval Sapphire Cabochon Diamond Cocktail Ring Crafted in Platinum Size 6 (sizable) Center stone: 30.18ct Blue Sapphire Double Cabochon (treatment: heated) GI...
Category

2010s American Cocktail Rings

Materials

Sapphire, Platinum

Purple Star Sapphire Oval Cabochon and Diamond Ring in 18k Rose Gold
Located in Los Angeles, CA
Beautiful purple star sapphire oval cabochon with good quality white diamond rounds. Handmade in 18k rose gold. Ring size 7.25.
Category

21st Century and Contemporary Dome Rings

Materials

Diamond, Star Sapphire, Rose Gold

GIA Certified 26.37 Carat Oval Tanzanite Cabochon Diamond Cocktail Ring
By M&V Vanguard Jewelry
Located in New York, NY
GIA Certified 26.37 Carat Oval Tanzanite Cabochon Diamond Cocktail Ring Crafted in 18K White Gold & 18K Yellow Gold prongs Size 6 (can be sized) A Exceptional Handmade Statement pi...
Category

2010s American Baroque Cocktail Rings

Materials

Tanzanite, Diamond, 18k Gold, Platinum

AGL Certified 52 Carat Natural Ceylon Star Sapphire & Diamond Ring
Located in New York, NY
AGL Certified Star Sapphire & Diamond Ring, A 52.37 ct cabochon star sapphire surrounded by 12 baguette cut diamonds Ring Size: 6 Re-sizable free of charge Metal Type: Platinum
Category

Vintage 1950s Cocktail Rings

Materials

Diamond, Star Sapphire

Exceptional Star Sapphire Diamond Platinum 3-Stone Ring, GIA Certified
Located in Beverly Hills, CA
Simply put, one of the finest star sapphires we have seen in a long time! It weighs 8.20 carats, has a bright intense blue color with a fantastic 6-rayed star. Adding to that the sap...
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Star Sapphire, Platinum

32.0 Carat Star Sapphire, Platinum and Diamond Ring, with GIA certificate
Located in New York, NY
This stunning antique art deco star sapphire and diamond ring is crafted in solid platinum, weighing 12.8 grams and measuring 20mm wide and 13mm high. Exposing a one prominent prong-set, round star...
Category

Vintage 1920s Unknown Art Deco Dome Rings

Materials

Diamond, Star Sapphire, Platinum

Recently Viewed

View All