Untreated Sapphire

It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut green natural sapphire, 3.61 carats, 10x9.3 mm.

Unique IGI Certified Untreated Australian Bi Colour Sapphire & Diamond 18k Yellow Gold Halo Ring Fine 0.51 carat sapphire with a unique blue yellow bi colour effect.

A distinguished three-stone ring centered by a fine 5.81-carat oval-shape sapphire with a lushious cornflower-blue color. Certified by the GIA as natural and untreated (no heat) maki...

Fine untreated Ceylon sapphires of this size and quality are increasingly rare, making this ring particularly collectible.

Featuring a Light Pink Untreated Oval Shaped Pink Sapphire. Beautiful cut that is a cross between on oval and a round in my expert opinion.

Superb 1930 ca five stone natural Sapphire ring Hand crafted mounting beautifully rendered of solid 18 Kt gold designed with a raised fret work lifting up the stone’s array for more ...

A true rarity, this exceptional sapphire remains completely untreated, preserving its natural beauty and intrinsic brilliance.

As to be expected form bi colour sapphires. Totally untreated and unheated, very rare for natural sapphires.

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

Its rarity is underscored by the significant size and the untreated 'No Heat' designation of the Burmese sapphire, making it a truly exceptional find for any discerning collector.

Boasting incredible color and brilliance, untreated Kashmir sapphires of this quality are scarce, especially within an antique Tiffany setting.

With an excellent octagonal emerald cut. Totally untreated and unheated. Very rare for natural sapphires.

Fully certified and sealed by IGI in Antwerp. Totally untreated and unheated, very rare for natural sapphires.

Beautiful pink peach sapphire natural untreated cushion shape total weight 1.70ct Diamonds total weight 0.40ct F colour VS1 clarity.

Elevate your elegance with these exceptional Natural Multi Color Sapphire,Diamond, Gold Earrings, a true testament to the splendor of untreated gemstones.

Gorgeous pink sapphire gemstone natural untreated emerald / cushion elongated cut in 18ct yellow gold band with white gold claw.

Such examples set with large untreated Ceylon sapphires are becoming increasingly difficult to locate.

Bright face up appearance. 1 cushion cut natural untreated violet blue sapphire. approx. total weight 5.20cts.

The design emphasizes a timeless and elegant silhouette that highlights the exceptional clarity and color saturation of the untreated Ceylon sapphire. Meticulously finished to the hi...

**Natural Untreated Purple Sapphire Diamond Ring** in 18K White Gold, fully certified by the International Gemological Institute (IGI), representing a highly coveted, blue-chip inves...

IGI Certified 1.30ct Australia Bi Colour Yellow Blue Natural Sapphire Oval Cut Unique IGI Certified Fine Bi Colour Untreated Australia Sapphire Oval Cut Gem. 1.30 Carat with a fine ...

From Emilio Jewelry New York, This exquisite untreated pink sapphire showcases a stunning array of soft, delicate hues, a spectacular stone indeed, it is a vibrant stone revealing th...

It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut fancy pink sapphire, 6.63 carats, 12.4x10 mm.

This 18 karat yellow gold Mesopotamian brooch in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushio...

1950's Three-stone sapphire and diamond engagement ring. GIA certified natural untreated oval sapphire center stone with 2 tapered baguette side diamonds in a three-stone platinum se...

**Natural Untreated Pink Sapphire Diamond Ring** in 18K White Gold, fully certified by the International Gemological Institute (IGI), representing a highly coveted, blue-chip investm...

Unique GIA Certified Bi Colour Sapphire Natural 0.93ct Parti Colour Octagon Cut Unique GIA Certified Natural Untreated Bi Colour Sapphire Gemstone. 0.93 Carat unheated sapphire wit...

Showcasing a 15 carat certified untreated/no heat Ceylon Sapphire of exceptional color and clarity.

GIA Certified Bi Colour Untreated Green Blue Australian Sapphire & Diamond Platinum Halo Ring.

This magnificent statement ring features an impressive 16-carat, untreated natural oval cabochon star sapphire as its majestic center, exhibiting a mesmerizing grayish-violetish blue...

GIA Certified 5.58 Carat Vivid Blue Sapphire and Diamond Platinum Ring A striking estate platinum ring centering a rare 5.58 carat cushion-cut sapphire, certified by GIA as a natura...

This 18 karat rose gold Mesopotamian brooch in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushion ...

This remarkable ring showcases a GIA and AGL certified 10.82ct untreated cushion cut sapphire from Sri Lanka, celebrated for its vibrant blue hue.

This exquisite estate pendant showcases a stunning 4.40-carat 100% untreated Burmese sapphire in a captivating cornflower blue hue, complemented by a brilliant 1.80-carat Colombian e...

Montana Sapphire & Diamond Ring 18K White Gold weight 2.70 Grams Mix color shades of "original natural " Montana Sapphire this is very rare color-change montana sapphire and is Unhe...

Pictures do not do it justice, please refer to the video. Untreated pink sapphires become rare over 5ct, this one is also considered a fuchsia pink which is one of the most desirable...

**Natural Untreated Pink Sapphire Diamond Ring** in 18K Pink Gold, fully certified by the International Gemological Institute (IGI), representing a profoundly rare, blue-chip investm...

A beautiful untreated purple sapphire weighing 2.29 ct is set in this Platinum 950 ring. 22 baguette cut diamonds totalling 0.69 ct of G/H colour and vs clarity are repeating the rec...

Blue natural sapphire untreated oval shaped 1.55ct total weight Solitaire sapphire pendant with natural gemstone set in 18k yellow gold.

The ring features high-grade, natural, untreated oval-cut fancy sapphires, each measuring 4x6 mm.

The ring is magnificently embellished with an exceptional selection of eighty-six natural white, colorless diamonds, complemented by one gorgeous natural Ceylon blue sapphire, notabl...

Natural Untreated Ceylon (Sri Lanka) sapphire. Total Sapphire Weight: 9.94 carats Sapphire Measurements: 14.10mm x 10.73mm x 7.39mm Cut: Oval Faceted Cut.

Critically, the stone shows no indications of heating, a rare and highly desirable characteristic in sapphires of this size and intensity. Untreated pink sapphires above five carats ...

This 18 karat white gold Mesopotamian Pendant in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushio...

Unheated 1.07ct Colour Change Purple Pink Sapphire IGI Certified Trillion Cut IGI Certified Rare Untreated Colour Change Sapphire Gemstone. 1.07 Carat unheated sapphire with a ra...

This 18 karat white gold Mesopotamian brooch in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushion...

This magnificent engagement ring centres on a captivating untreated 4.07 carat Ceylon royal blue sapphire of exceptional lustre.

beautiful 18k white gold ring with natural untreated 8.09 carat blue sapphire ; this stone is from Sri Lanka. the main stone surrounded by 1.60 carat round diamonds. the diamonds are...

This 18 karat yellow gold Mesopotamian Pendant in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushi...

At its center rests a rare 3.08‑carat radiant‑cut pink sapphire, untreated and glowing with candy‑colored brilliance.

It belongs to the limited edition collection. Gems, natural, untreated: Cushion cut green natural sapphire, 3.61 carats, 10x9.3 mm.

This 18 karat rose gold Mesopotamian Pendant in Egyptian revival style is encrusted with a stunning 7.28 carat natural unheated untreated orange-pink Padparadscha Sapphire in cushion...

This 18 karat white gold contemporary Mesopotamian engagement ring is encrusted with 7.28 carats natural unheated untreated orange-pink Padparadscha Sapphire in cushion cut, 11,28x9,...

IGI Certified 1.03ct Colour Change Sapphire Ceylon Pink Purple No Heat Oval Cut IGI Certified Untreated Colour Change Ceylon Sapphire Gemstone. 1.03 Carat sapphire with a rare colou...

Natural untreated pink sapphire and diamond pendant necklace.

Natural laboratory-certified sapphire, untreated, unheated, sourced from mines in Ceylon, Sri Lanka.

With SI clean clarity, the gemstone offers a pleasing balance between natural inclusions and visual brilliance, ensuring an attractive appearance to the naked eye. Untreated in natur...

The sapphire’s untreated color and Sri Lankan origin make it a collector’s gemstone of the highest rarity.

IGI Certified Untreated Ceylon Yellow Sapphire White Gold Solitaire Ring. 1.03 Carat Ceylon sapphire with a unique fancy square cushion cut and bright light yellow colour.

Sapphire and diamond engagement ring. GIA certified oval green and blue natural untreated center sapphire with 2 tapered baguette diamonds in a platinum three-stone engagement setting.