Donai Gems

Antwerpen, BE

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About Donai Gems

at Donai Gems, we pride ourselves on being more than a jewelry house — we are artisans of beauty, passion, and timeless craftsmanship. Located in the historic heart of Antwerp, Belgium, the world’s diamond and gemstone capital, we dedicate ourselves to sourcing and creating only the most exceptional gemstones. Each stone we select is chosen for its brilliance, rarity, and integrity, ensuring that our clients receive nothing less than the highest quality. Our philosophy is rooted in a deep respect for nature’s treasures and the stories they carry. Every gemstone is trans...Read More

Established in 20051stDibs seller since 2025

Featured Pieces

9.12ct Bleu Cushion Shape Natural Spinel (No Heat)

Located in Antwerpen, BE

This extraordinary 9.12 carat cushion-cut natural spinel is a true rarity in the world of fine gemstones. Exhibiting a rich and sophisticated blue color, this gem possesses a depth ...

Category

2010s Loose Gemstones

Materials

Spinel

9.12ct Bleu Cushion Shape Natural Spinel (No Heat)

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3.72ct Bleu Heart Shaped Sri Lankan Natural Sapphire (No Heat) Certified By GRS

Located in Antwerpen, BE

A rare and exquisite 3.72 carat heart-shaped sapphire from Sri Lanka, certified by GRS as completely natural and unheated. Shape: Heart Carat Weight: 3.72 carat Origin: Sri Lanka ...

Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

3.72ct Bleu Heart Shaped Sri Lankan Natural Sapphire (No Heat) Certified By GRS

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5.00ct Purplish Red Oval Shape Sri Lankan Ruby Certified By SSEF And GRS

Located in Antwerpen, BE

5.006ct Purplish Red Oval Ruby – SSEF And GRS Certified A striking 5.006 carat Purplish Red Ruby, expertly cut into a timeless **oval shape**. This gemstone displays a vivid purpli...

Category

2010s Sri Lankan Loose Gemstones

Materials

Ruby

5.00ct Purplish Red Oval Shape Sri Lankan Ruby Certified By SSEF And GRS

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33.55ct Bleu Cushion shape Sri Lankan Natural Sapphire No Heat Certified By GRS

Located in Antwerpen, BE

-Description- An extraordinary 33.55 carat natural sapphire of exceptional rarity and prestige. Mined in Sri Lanka (Ceylon), this magnificent gemstone has been cut into a refined cus...

Category

2010s Sri Lankan Loose Gemstones

Materials

Blue Sapphire

33.55ct Bleu Cushion shape Sri Lankan Natural Sapphire No Heat Certified By GRS

4.221ct Green Pear Shape East African Tsavorite Certified By SSEF

Located in Antwerpen, BE

Title 4.22 Carat Pear-Shape Tsavorite Garnet – Certified by SSEF* Description A rare and vibrant 4.221 carat tsavorite garnet of exceptional quality, sourced from East Africa and ...

Category

2010s Tanzanian Loose Gemstones

Materials

Tsavorite

4.221ct Green Pear Shape East African Tsavorite Certified By SSEF

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RARE 32.42Ct Green Octagonal Colombian Emerald Certified By Gübelin

Located in Antwerpen, BE

A truly exceptional treasure, this 32.42 carat octagonal-cut Colombian emerald** embodies the pinnacle of rarity and prestige. Certified by the esteemed Gübelin Gem Lab, it bears th...

Category

2010s Colombian Loose Gemstones

Materials

Emerald

RARE 32.42Ct Green Octagonal Colombian Emerald Certified By Gübelin

Rare 2.69ct "Pigeon Blood" Oval Burmese Ruby Certified By GRS

Located in Antwerpen, BE

An extraordinary 2.69 carat oval-cut Burmese ruby, certified by GRS as “Pigeon Blood Red”, the most coveted hue in the world of fine rubies. This exceptional gemstone radiates with v...

Category

2010s Burmese Loose Gemstones

Materials

Ruby

Rare 2.69ct "Pigeon Blood" Oval Burmese Ruby Certified By GRS

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16.48ct Bleu Octagonal Shape Sri Lankan Natural Sapphire Certified By Gübelin

Located in Antwerpen, BE

16.48ct Natural Sri Lankan Sapphire – Octagonal Cut Gübelin Certified Elevate your collection with this stunning 6.48-carat natural sapphire expertly cut in a unique octagonal shap...

Category

2010s Sri Lankan Loose Gemstones

Materials

Sapphire, Blue Sapphire

16.48ct Bleu Octagonal Shape Sri Lankan Natural Sapphire Certified By Gübelin

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Utra Rare Whopping 153.47ct Bleu Natural Sapphire (No Heat) Certified By GRS

Located in Antwerpen, BE

Ultra-Rare 153.47ct Natural Sapphire from Sri Lanka (No Heat) Certified by GRS Presenting a truly exceptional gemstone: a whopping 153.47 carat natural sapphire Sri Lanka origin w...

Category

2010s Sri Lankan Loose Gemstones

Materials

Sapphire

Utra Rare Whopping 153.47ct Bleu Natural Sapphire (No Heat) Certified By GRS

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More About Donai Gems

Discover our beautiful collection of jewelry, designed to be cherished for generations. Every gemstone is carefully chosen for its brilliance and rarity, then crafted by skilled artisans into timeless creations. Our pieces embody elegance and sophistication, whether a classic design or a unique statement jewel. More than adornments, they are treasures of lasting value, ready to be passed down and celebrated for years to come.