Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
What is the highest carat sapphire?
1 Answer
The highest carat sapphire to ever be discovered is the Blue Giant of the Orient, as of January 2022. It weighs 486.52 carats and originated from a mine in Ratnapura, Sri Lanka. On 1stDibs, shop a large selection of sapphire gemstone jewelry.
1stDibs ExpertApril 5, 2022
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Shop for 4 Carat Sapphire Ring on 1stDibs
French Cut 4 Carat Sapphire Ring, Platinum
Located in New York, NY
A French Cut Sapphire, weighing appx 4 carats, mounted in a ring with diamonds.
Category
20th Century Three-Stone Rings
Materials
Sapphire, Platinum
4 Carat Fancy Yellow Pear Diamond Purple Sapphire Bubble Ring
By Rare Colors
Located in New York, NY
A fresh take on the classic cocktail ring, this one of a kind design centers around a 4.30 carat light yellow pear shaped diamond with VS1 clarity. The soft yellow hue of the GIA cer...
Category
2010s Cocktail Rings
Materials
Diamond, Sapphire, Purple Sapphire, 18k Gold
Antique Art Nouveau 4 Carat Cabochon Sapphire Engagement Ring
Located in Santa Barbara, CA
This antique Art Nouveau gemstone engagement ring presents a lovely 2 tone composition centered with a dark blue sapphire cabochon. Crafted with exquisite attention to detail, the ro...
Category
Vintage 1910s Art Nouveau Engagement Rings
Materials
Diamond, Sapphire, Blue Sapphire, 14k Gold, Platinum
SSEF Certified 4 Carat No Heat Madagascar Blue Sapphire Diamond Ring
Located in Chicago, IL
The sapphire is oval shaped and cut in a modified brilliant/step style, measuring 10.43 x 7.77 x 6.15 mm. SSEF confirms origin Madagascar and states no indications of heating. Unheat...
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
$60,000 Sale Price
20% Off
Free Shipping
4 Carat Oval Blue Sapphire Solitaire Vintage Style Ring in 14k Gold
Located in Chicago, IL
This exquisite vintage-inspired solitaire ring showcases a magnificent 4 carat oval-cut natural blue sapphire, exuding elegance and timeless charm.
Category
2010s Victorian Cocktail Rings
Materials
Sapphire, Blue Sapphire, 14k Gold, Yellow Gold
Blue Sapphire Ring With Diamonds 4 Carats 18K White Gold
Located in Bonita Springs, FL
Comes with Gemological Appraisal by GIA GG/AJP
All Gemstones are Natural in Origin
Blue Sapphire: 3.60 Carats
Diamond: 0.40 Carats
Metal: 18K White Gold
Ring Size: 7 US
Custom sizing...
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
White Diamond, Blue Sapphire, Sapphire, Diamond, White Gold, 18k Gold, Gold
