Basaltic Sapphire

This stunning, fine and impressive basaltic cabochon cut sapphire bracelet has been crafted in 14k yellow gold.

Condition These impressive sapphire cluster earrings are excellent quality, set with stunning blue Basaltic sapphires displaying fine color, brilliance and presence.

A magnificent, impressive and rare vintage Art Deco 8.14 carat Basaltic sapphire and 11.79 carat diamond, platinum necklace; part of our diverse collection of statement luxury jewelr...

Condition These impressive sapphire cluster earrings are excellent quality, set with stunning blue Basaltic sapphires displaying fine colour, brilliance and presence.

A stunning, fine and impressive vintage 1.77 carat Basaltic sapphire and 0.76 carat diamond, platinum ring; part of our diverse baguette side stones jewelry collection.

A stunning, fine and impressive vintage 2.36 carat Basaltic sapphire and 0.75 carat diamond, 18 karat white gold cocktail ring; part of our diverse oval cut engagement ring collectio...

A fine and impressive antique 1.42 carat Basaltic sapphire and 14 karat yellow gold ring; part of our antique jewellery and estate jewelry collections.

A stunning, fine and impressive antique 1930s 1.95 carat Basaltic sapphire and 4.15 carat diamond, platinum cocktail ring; part of our diverse collection of unheated sapphire rings.

A stunning, fine and impressive antique 2.70 carat Basaltic sapphire and 1.10 carat diamond, platinum dress ring; part of our diverse collection of gemstone cluster engagement rings.

A fine and impressive vintage 1.24 carat Basaltic sapphire and 0.70 carat diamond, 14 karat white gold clutser ring; part of our diverse vintage estate jewelry collections.

The pierced decorated, cluster design is ornamented with a principle 1.02Ct cushion cut Basaltic blue sapphire, in relief to the center. The feature sapphire is bordered by a total ...

A stunning, fine and impressive antique 1.60 carat Basaltic sapphire, 18k yellow gold and platinum set twist ring; part of our collection of sapphire engagement rings.

A stunning, fine and impressive antique 1.77 carat natural blue Basaltic sapphire and 1.86 carat diamond, platinum marquise shape ring; part of our antique jewelry collections.

A stunning, fine and impressive contemporary 1.26 carat Basaltic sapphire and 0.94 carat diamond, platinum trilogy ring; part of our diverse collection of engagement rings.

A stunning, fine and impressive vintage 1.94 carat Basaltic sapphire and 1.07 carat diamond, platinum ballerina ring; part of our sapphire jewelry collection.

A magnificent, fine and impressive 6.10 carat Basaltic sapphire and 2.65 carat diamond, 18 karat yellow gold and platinum set ring; part of our sapphire jewelry collection.

A stunning, fine and impressive pair of antique 1.00 carat untreated Basaltic sapphire and 1.50 carat diamond, 18 karat white gold cluster earrings; part of our diverse collection of...

Unheated Bluish Green Basalt Sapphire Diamond Ring set in 14 Karat White Gold: In the realm of pure enchantment, behold the captivating beauty of a bluish-green basalt sapphire rin...

A stunning, fine and impressive antique Art Deco 2.90 carat Basaltic sapphire and 5.40 carat diamond, platinum bracelet; part of our diverse antique luxury sapphire jewellery collect...

The substantial convex pierced decorated ring setting is ornamented with five round faceted cut Basaltic blue sapphires, totalling 5.17cts, all individually four-claw set in a linear...

The antique trilogy ring displays a feature claw set 2.17ct cushion cut Basaltic sapphire. The sapphire is flanked on either side by a 1.30ct and a 1.22ct Old European cut diamond.

A stunning, fine and impressive pair of antique 2.60 carat Basaltic sapphire and 1.32 carat diamond, platinum drop earrings; part of our diverse gemstone jewelry collections.

A stunning, fine and impressive antique 1.20 carat Basaltic sapphire and 1.28 carat diamond, platinum cluster ring; part of our diverse sapphire jewelry collection.

A stunning, fine and impressive antique 0.20 carat Basaltic sapphire and 18 karat yellow gold bracelet; part of our diverse collection of antique sapphire jewelry.

A stunning, fine and impressive 4.40 carat Basaltic sapphire, 3.14 carat diamond and pearl, 12k yellow gold and platinum set pendant/brooch; part of our unheated sapphire collections...

A stunning, fine and impressive antique 1.80 carat Basaltic sapphire and 1.35 carat diamond, 18 karat white gold trilogy ring; part of our diverse antique jewelry and estate jewelry ...

Condition This antique 5 stone sapphire ring is fine quality set with impressive Basaltic sapphires displaying fine color, brilliance and presence.

NOTE: * This documentation accredits the sapphires originating in Basaltic deposits and certifies that the gemstones shows no indications of heating.

A stunning and impressive antique 1.20 carat Basaltic sapphire and 0.54 carat diamond, 18 karat yellow gold and platinum set ring; part of our diverse collection of antique sapphire ...

A stunning, fine and impressive antique 1.57 carat Basaltic sapphire and 1.20 carat diamond, platinum pendant - boxed; part of our diverse antique sapphire jewelry and estate jewelry...

A stunning, fine and impressive antique 1.25 carat Basaltic sapphire and 1.48 carat diamond, 14 karat yellow gold and silver set tiara ring; part of our sapphire jewelry collection.

A stunning, fine and impressive antique 2.88 carat Basaltic sapphire and 0.22 carat diamond, platinum ring; part of our diverse collection of antique sapphire rings.

A stunning, fine and impressive antique 2.40 carat Basaltic sapphire and 1.60 carat diamond, platinum cluster ring; part of our diverse gemstone jewelry and estate jewelry collection...

A stunning, fine and impressive vintage 2.86 carat Basaltic sapphire and 0.28 carat diamond, 18 karat yellow gold three stone ring; part of our diverse sapphire jewelry collections.

A stunning, fine and impressive antique 1.20 carat Basaltic sapphire and 1.59 carat diamond, 18 karat yellow gold five stone ring; part of our diverse diamond jewelry and estate jewe...

Its set with a 75pt basaltic sapphire, and one carat of transitional cut diamonds.

A statement cocktail ring, showcasing an emerald-cut Basaltic blue sapphire weighing a total of 37.13 carats.

A fine and impressive antique Austro-Hungarian 0.85 carat Basaltic sapphire and 0.62 carat diamond, 14 karat yellow gold marquise ring; part of our antique sapphire jewellery collect...

A stunning vintage 1.43 carat Basaltic sapphire and 0.91 carat diamond, platinum cocktail ring; part of our diverse vintage jewelry and estate jewelry collections.

The central diamond is flanked on either side by a bezel set round mixed cut blue basaltic sapphire. The pierced decorated setting is embellished with a further thirty pavé set Old ...

A stunning vintage 4.59 carat blue Basaltic sapphire and 1.02 carat diamond, 18 karat yellow and white gold cocktail ring; part of our diverse gemstone jewelry collections.

About Basaltic Sapphires: Basaltic sapphires come from basalt-related geological environments and are commonly associated with sources such as Cambodia, Thailand, Australia, Vietnam,...

Condition This stunning antique platinum sapphire and diamond ring is excellent quality, set with an impressive Basaltic sapphire displaying a fine color, brilliance and presence.

NOTE: * This documentation accredits the sapphire originating in Basaltic deposits and certifies that the gemstone shows no indications of heating.

A stunning, fine and impressive Victorian 1.19 carat Basaltic sapphire and 1.28 carat diamond, 18 karat white gold twist ring; part of our diverse antique jewelry collections.

NOTE: *This documentation accredits the sapphire originating in Basaltic Deposit and certifies that the gemstone shows no indications of heating.

A stunning and impressive antique 1.35 carat Basaltic sapphire and 2.06 carat diamond, 18 karat yellow gold and platinum set cocktail ring; part of our antique jewelry collections.

NOTE: * This documentation accredits the sapphires originating in Basaltic deposits and certifies that the gemstones show no indication of heat treatment.

The thorax of the insect is ornamented with a yellow gold collet set pear cut Basaltic blue sapphire. The elongated abdomen is embellished with five cushion cut Basaltic sapphires, ...

A stunning, fine and impressive 7.00 carat Basaltic yellow sapphire and 1.92 carat diamond, 18 karat yellow gold and 18 karat white gold set cluster ring; part of our diverse collect...

A stunning, fine and impressive antique French 1.10 carat Basaltic sapphire and 2.45 carat diamond, platinum Art Deco cocktail ring; part of our diverse collection of antique rings.

The sapphire is basalt related and displays rich natural color with no heat treatment.

Condition This impressive vintage Basaltic blue sapphire ring is excellent quality, set with an impressive sapphire displaying fine colour, brilliance and presence.

The bracelet is ornamented with seven graduating collet set cabochon sapphires, totalling 14.50cts; six of the sapphires are Basaltic and one is Burmese.

Comes with original GIA certification for the sapphire stone. Stock Number: MK-190186013 --Certification Details:-- Laboratory: GIA Report Number: 5232828312 Shape: Cushion Cutting...

NOTE: * This documentation accredits the sapphire originating in Basaltic deposit and certifies that the gemstone shows no indications of heating; non-heated sapphires are a scarcity.

The sapphire is basalt related in origin and shows no treatment, making it especially desirable for collectors and anyone who appreciates natural gemstones with strong presence and c...