Untreated Sapphire

Discover the exquisite elegance of the Gübelin blue sapphire ring in celestial 18 Karat white gold. Its centerpiece is a rare 1.89 ct. cushion-cut untreated blue sapphire, renowned...

The video shows darker sapphire. This contemporary Peacock ring is in 18 karat yellow gold with unheated untreated natural oval vivid blue sapphire Lotus Laboratory certified, 10,77x...

Ring in solid 18K Yellow Gold with Platinum clusters decorated with large sized natural, transparent, very likely untreated, light Cornflower Blue Sapphire likely of Ceylon origin.

A beautiful, natural, and untreated color-change sapphire takes center stage.

Hallmarked. Natural untreated pink vivid sapphire ring. The ring can be resized.

The bracelet has natural untreated step cut sapphires going across the entire bracelet.

Such rings set with a large untreated Ceylon sapphire are becoming increasingly difficult to locate.

At its center is a 5.40-carat oval sapphire, sourced from Siam (Thailand). Certified for its intense blue hue and completely untreated condition, this sapphire showcases a pure, natu...

Teal sapphire natural untreated six claw setting, band width 2-2.5mm.

Unheated 1.19ct Colour Change Sapphire Green Blue Purple IGI Certified Pear Cut Rare Untreated Colour Change Sapphire Gemstone. 1.19 Carat unheated sapphire with a rare colour chang...

The matching gems are: Oval cut pink sapphire, 1,7 carats; Unheated untreated yellow sapphire in oval cut, 1,61 carats; Light smoky quartz in oval cut; Minty light prasiolite; Small ...

GIA Certified Unique Orange Pink Unheated Sapphire 0.75ct Oval Cut Gem No Heat Unique Untreated Brownish Orangey Pink Sapphire Gemstone. 0.75 Carat with good clarity, a clean stone ...

The eight-prong center holds a diamond-cut, 0.32 carat clean and nicely saturated blue Zambian sapphire, natural and untreated except for heat treatment (which is customary and perma...

Glorious Victorian Destiny Stone This strikingly beautiful dinner ring, dating from the 1880 ca, features one rare natural untreated, six rays untreated, unheated, Natural Sapphire L...

Natural green sapphire and diamond engagement ring. GIA Certified natural untreated oval cushion cut sapphire in a platinum three-stone setting with two baguette cut side diamonds.

On the beginning of the ring, on both sides are set 2 x 2 modern brilliant- cut diamonds in fall. Weight of the sapphire : 1.41 carat approximately, certified natural sapphire, untre...

1.20ct GIA Certified Australia Sapphire No Heat Green Yellow Antique Cushion Cut GIA Certified Untreated Green Yellow Australian Sapphire Gemstone. 1.20 Carat unheated sapphire wit...

These superbly designed late Art Deco Diamond and Sapphire earrings are 1935/40 circa Exquisitely hand crafted during the period of solid 14 Kt white gold, marked The earrings prize ...

With its modest carat weight, unique marquise shape, and untreated nature, this Purplish Pink Sapphire stands as an appealing and valuable gemstone, suitable for various jewelry desi...

What makes this piece truly special is the untreated nature of the sapphire—completely natural, with no heat treatment, something collectors and gem lovers deeply value.

Montana Sapphire & Diamond Ring 18K White Gold weight 4.00 Grams Mix color shades of "original natural " Montana Sapphire. this is very rare color change montana sapphire is Unheat...

The underside is openworked with arabesque motifs. Weight of the sapphire : 4.79 carats approximately. Unheated, untreated natural sapphire with laboratory certificate.

Huge 3 carats oval unheated untreated yellow sapphire in a beautiful sunflower design in 18KT yellow and white gold, a statement ring with VS diamonds F color.

Natural Untreated Deep Teal Blue Sapphire Fancy Kite Cut 18k White Gold Diamond Halo Ring. 1.04 Carat total. 0.87 Carat natural sapphire with a unique fancy kite cut and stunning de...

Platinum Art Deco Circa 1920s Tiffany & Co Natural Sapphire Diamond Bracelet 5mm wide 25.9 gram Platinum, tested 7 1/8 inch long Total of 44 links 22 Sapphire and 22 Diamond Old...

Expertly crafted in solid 14k gold, this elegant ring offers timeless beauty with a distinctive celestial glow. A 4.15ct star sapphire in solid 14k gold—diamond-kissed, confidence-l...

This exceptional bracelet is a rare and prestigious masterpiece, showcasing an extraordinary selection of untreated Burmese blue and pink sapphires, and spinels, meticulously arrange...

Timeless Art Nouveau Diamond and Sapphire ring, 1910 ca Hand crafted of solid 18 Kt and Platinum indistinctly punched Elegantly shaped in a charming flat elongated crown centred by a...

These blue sapphires are certified by GIA. Untreated Kashmir blue sapphire of this quality and size are extremely rare.

The matching gems are: Oval cut pink sapphire, 1,7 carats; Unheated untreated light green sapphire in oval cut; Light smoky quartz in oval cut; Sky blue topaz in oval cut; Small sapp...

Dangly Sweetness These lovely long drop earrings are 1940/45 ca Still Art deco influenced, finely hand crafted as unique of solid 18 KT white gold Simple effective style to be with y...

Charming contemporary estate stud earrings, hand fabricated of solid 18 KT white gold Charming target design, classy and effective style perfect all day long Boasting two round facet...

Set in a platinum halo style ring with 12 round brilliant diamonds surrounding this beautiful oval blue Sapphire. This quality Gem Sapphire comes with AGL (American Gemological Labor...

Natural purple pink sapphire and diamond engagement ring. GIA certified natural, untreated cushion cut center Sapphire in a platinum setting with 2 emerald and 2 tappered baguette si...

The Sapphire: This is a one of a kind 20.59 Carat Natural Untreated Ceylon Sapphire.

The centre piece is of natural untreated oval shaped Blue sapphire weighing approximately 1.27 carat.

This contemporary 18 karat yellow gold pendant necklace is encrusted with 3 natural round diamonds, VS, F-G, and detachable natural untreated DSEF (Germany) certified blue sapphire, ...

This breath taking original Victorian ring is 1880 circa Classy Trilogy mount hand made during the time of solid 18 KT gold Ring boasts a magnificent 10.00 Carats untreated unheated ...

Sourced from Sri Lanka world renowned for producing fine sapphires this untreated gem offers excellent clarity, symmetry, and natural allure.

Cluster Montana Sapphire & Diamond Ring 18K White Gold weight 2.90 Grams Mix color shades of "original natural " Montana Sapphire this is very rare color change Montana sapphire and...

This elegant Art Deco bar brooch is distinguished by two untreated, unheated sapphires approx 2,00ct and 2,30ct, each set at opposing ends to emphasize the brooch’s clean, architectu...

Complementing the diamond, a rare, untreated 10.00-carat violish blue sapphire adds a touch of uniqueness and depth, measuring an impressive 12.0 - 10.0 x 9.6 mm.

This contemporary Peacock engagement ring is in 18 karat yellow gold with unheated untreated natural oval vivid blue sapphire Lotus Laboratory certified, 10,77x9,16x5,12 mm from Mada...

Victorian period carved hoop ring, lovely as engagement, anniversary or wedding, 1880 ca. 18 Kt gold marked, exquisite trilogy designed mount with scroll work details showing on bot...

An exquisite genuine Art Deco ring handcrafted in Platinum & Yellow gold by master jewelers, featuring a beautiful vivid 2.50 carat Unheated untreated Natural Ceylon Sapphire cushion...

Untreated Kashmir Blue sapphire of this quality and size are extremely rare.

Mined in Sri Lanka globally revered for producing some of the world’s finest sapphires this untreated gem offers exceptional clarity and depth of color.

Hallmarked. Natural untreated pink vivid sapphire ring. The ring can be resized.

This one is certified natural, unheated and untreated! This sapphire has both a strong vivid color and very clean!

For the visionary who demands exclusivity, rarity, and undeniable presence — an investment that whispers power and mystique. Such untreated "Nebula" sapphires vanish from the market ...

Untreated Kashmir Blue sapphire of this quality and size are extremely rare.

The large, natural and untreated green sapphires (total weight 40ct) are embedded in a setting of pure 24kt gold.

GIA Certified Bi Colour Australian Sapphire 1.14ct Yellow Blue Heart Cut No Heat GIA Certified Untreated Australian Bi Colour Sapphire Gemstone. 1.14 Carat unheated sapphire with a ...

An exquisite unheated and untreated blue sapphire with origin Ceylon that is extremely rare and valuable furthermore the sapphire has no signs of treament or heat and this was certi...

It is studded with 29 vibrant oval shaped blue sapphire weighing 43.80 carat approximately.It is a rare find of Burma Untreated Blue sapphire and certified by AGL.

Only The Top 1% Of Sapphires Don't Need It. These Untreated Gems Are the Most Valuable of All Sapphires.

The Moonstones have a clear bluish color separated by bright natural untreated round Montana Sapphires. 14k yellow gold Chevron design chain. 15.8 inches long. 20 bright blue Sapph...