Untreated Sapphire

It's set with an impressive 19.00 carats of natural, unheated/untreated, transparent blue sapphires, which have been independently certified by the Gem & Pearl Laboratory.

Fully certified by IGI Antwerp confirming sapphire as untreated and unheated, very rare for natural sapphires.

Perfect for women who appreciate genuine gemstones, this Sri Lankan sapphire is completely untreated, preserving its natural beauty and authenticity.

Unique GIA Certified Untreated Bi Colour Sapphire And Natural Diamond 18k Yellow Three Stone Ring. 1.41 Total carat.

Natalie K sapphire and diamond engagement ring. GIA certified 3.33ct deep rich purple all natural untreated center Sapphire, in a platinum setting with 2 trapezoid side diamonds and ...

Natural untreated green sapphire from a 1920's estate. Designed and crafted in the Peter Suchy workshop. 1 octagonal yellowish green sapphire, approx. 1.20cts GIA certificate # 221...

Natural Bi Colour Australian Sapphire And Diamond 18k White Gold Pendant Necklace. 0.70 Carat untreated Australian sapphire with a unique blue yellow bi colour effect.

Sapphire untreated blue colour. Cultured pearl round shaped cream white colour total weigh approximately 0.49ct Hallmarked.

With eye-clean clarity, the gemstone displays excellent transparency, allowing its colors to appear vibrant and well defined without visible inclusions. Untreated in nature, this sap...

An exquisite and spectacular untreated natural Ceylon sapphire on a flower design ring , so luminous and refined , realized hand to hand by artisan goldsmith.

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

From respected and well known dealer Emilio Jewelry New York, This ring is nothing but spectacular! Featuring a lovely untreated ceylon sapphire center, Gia Certified. The ring is s...

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

This striking and elegant ring features one of the most elusive and collectible gemstones in the world: a GIA certified, natural and untreated Padparadscha sapphire weighing 1.08 car...

Sapphire, natural, unheated, untreated, sourced from Cambodia, laboratory certified.

Untreated Ceylon sapphires above 10 carats are increasingly rare in today’s market, making this a highly collectible gemstone.

Accompanied by an independent gemmological report confirming Ceylon origin and untreated condition. Unheated sapphires from Sri Lanka are widely regarded a very desirable and collec...

The gems are: Oval cut 2,65 carats natural unheated untreated vivid blue (royal blue) sapphire, GRS (Swiss Lab) certified, 8,58x6,93x5,27 mm, Madagascar.

Suggested Replacement Value: Approx. $5,500.00 Total Natural Round Cut White Diamonds Weight: Approx. 0.50 Carats (color G-H / Clarity SI1-SI2) Total Natural Round Cut Sapphires W...

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

Sourced from Ceylon’s historic deposits, renowned for producing some of the world’s finest sapphires, this untreated gem stands as a testament to nature’s artistry and authenticity.

Gia Certified Australian Parti Colour Sapphire 0.86ct Yellow Green Blue Oval Cut Natural Unique GIA Certified Untreated Parti Colour Australian Sapphire. 0.86 Carat unheated sapphir...

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

This is a rare and magnificent piece of jewelry decorated with garlands, bows and scrolls shaped elements, which are embellished with one-hundred-eighty-two white colorless diamonds ...

This exquisite Edwardian period bar Brooch is 1910 circa Hand crafted as unique example of solid Platinum, pin solid 18 Kt gold Beautiful openwork filigree work with carved finish em...

This elegant set features natural, untreated Burmese cabochon sapphires and brilliant white diamonds, all mounted in luxurious 14K white gold.

Created in the Peter Suchy Workshop, natural untreated round brilliant cut Sapphire and diamond engagement ring.

Natural untreated purplish pink sapphire slice and diamond earrings.

The profile and basket are openwork. Weight of the sapphire : 2,52 carats approximately. Natural sapphire, unheated and untreated, from Sri-Lanka (Ceylon).

With very eye-clean clarity and an unheated, untreated origin, this sapphire preserves its full natural beauty and rarity.

Handmade circa 1920s natural untreated no heat purple Sapphire and diamonds in original Art Deco platinum setting.

Fluorescence is not applicable to this natural sapphire. A timeless and sophisticated jewel, this ring is a perfect combination of rarity, exceptional craftsmanship, and the endurin...

Oval natural untreated color change sapphire and diamond ring. Changes from blush violet to purple depending on light.

The gems are: Oval cut 2,65 carats natural unheated untreated vivid blue (royal blue) sapphire, GRS (Swiss Lab) certified, 8,58x6,93x5,27 mm, Madagascar.

A true celebration of rarity and radiance, this exquisite ring is crafted in 18k yellow gold and showcases a GIA-certified oval-cut yellow sapphire of remarkable vibrancy. With its C...

This is an untreated natural sapphire, which is very hard to find.

It is certified by the GIA and Gublin as a natural untreated Kashmir sapphire with a special appendix denoting the stones rarity.

GIA Certified natural untreated octagonal sapphire circa 1915 from an Art Deco era estate.

An exquisite and spectacular untreated natural Ceylon sapphire on a flower design ring , so luminous and refined , realized hand to hand by artisan goldsmith.

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...

A fine, top grade, certified untreated colour change sapphire sapphire. Totally unique.

When examined under magnification, only subtle natural inclusions may be visible, a hallmark of genuine, untreated stones. Pink sapphires symbolize romance, loyalty, and inner streng...

A captivating antique ring dating to 1890–1900, designed as three intertwined snakes crafted in 15 karat gold, each adorned with a natural and untreated ruby, diamond, and sapphire s...

It has come to symbolize sexuality, rebirth and wisdom. Sapphires Two natural oval faceted untreated fine blue Sapphires.

White gold ring with a natural, royal blue Ceylon sapphire, untreated (no heat), and certified. The DSEF certificate states the sapphire weighs 2.5 ct.

Petite yet luxurious, it’s a quietly extraordinary piece. "Untreated purple sapphire in a 14K white gold diamond halo."

Petite and refined, it’s a quietly luxurious everyday treasure. "Untreated purple sapphire in a 14K gold diamond halo."

. ~~ Dating back to circa 1960's, this retro piece is in remarkable condition Performed in Platinum, featuring sophisticated satin / matte finish, the ring is centring a Natu...

Sourced from Africa, known for producing fine-quality sapphires, this gemstone is 100% natural and untreated.

Exquisite sapphire drop earrings dating from the late 19th to early 20th century, showcasing two natural, untreated blue sapphires of exceptional clarity and vivid color.

1.50ct Sapphire Chunky Solitaire Pendant Necklace In 18ct Yellow Gold 1.50ct Sapphire Chunky Solitaire Pendant Necklace In 18ct Yellow Gold 1.50ct total weight sapphire natural untre...

Measuring 2.5 inches long, this dramatic yet elegant pair is perfect for any lover of Blue! ** Real untreated Faceted Blue Sapphires ** ** Made by Marina J. ** ** For any question...

White gold ring set with a natural, untreated (no heat) Ceylon sapphire in blue with a slight purple tint, weighing 3.52 ct, certified.

Periwinkle blue sapphire and diamond engagement ring. GIA certified natural, untreated oval center 4.55ct sapphire with a double halo of round brilliant cut diamonds. 18k white gold ...

An exquisite unheated and untreated blue sapphire ring. Furthermore the sapphire has no signs of treament or heat and this was certified by Gubelin.

1910 Pearl and Sapphire pendant necklace. GIA certified natural untreated round sapphires in a 14k yellow gold pendant setting accented with 2 natural baroque freshwater pearls, with...

Antique Trilogy Gorgeous, meaningful Trilogy ring from the Art Deco period 1925 ca Hand crafted mounting made to exalt each one of the gemstone set on it – made of solid 18 KT white ...