Extraordinary Gemstones

Where Rarity Meets
Radiance

Discover ethically sourced, certified gemstones of extraordinary beauty — curated for the most discerning collectors. Certified.

Explore Collection

Stones of
Extraordinary
Rarity

Each gemstone is hand-selected from the world's most prestigious mines.

Why Choose Us

The Crown Gem Promise

Certified Stones

Every gemstone comes with certification from GIA, GRS or Gübelin labs ensuring authenticity and quality.

Mine to Market

Complete transparency in sourcing with ethical mining practices. We know exactly where every stone originates.

Expert Curation

Hand-selected by our team of certified gemologists with decades of combined experience in precious stones.

Unmatched Quality

Only the top 1% of gemstones make it to our collection — beauty, rarity, and value in every stone.

Hand-Selected

Featured Stones

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Ruby

Burmese Pigeon Blood Ruby

3.21ct - Oval

$ 45,000

Sapphire

Kashmir Royal Blue Sapphire

4.56ct - Cushion

$ 120,000

Sapphire

Ceylon Cornflower Sapphire

3.02ct - Oval

$ 35,000

Emerald

Colombian Muzo Emerald

2.78ct - Emerald Cut

$ 55,000

Diamond

Fancy Vivid Yellow Diamond

2.01ct - Cushion

$ 85,000

Diamond

D Flawless Diamond

1.5ct - Round

$ 65,000

Collector's Piece

The Burmese
Imperial Ruby

A once-in-a-generation opportunity for the most discerning gem collector. A flawless 12.8-carat natural ruby with the finest pigeon blood red color that has AGL and GIA certification ensuring absolute prestige.

$ 480,000

Inquire to Purchase

Collector's Piece

Kashmir Blue
Sapphire Suite

An extraordinary matched pair of unheated Kashmir sapphires of 8.2 and 6.16 carats. Certified by G�belin Gems as possessing exceptional quality, velvety blue color, and perfect match.

$ 920,000

Inquire to Purchase

Hand-Selected

The Crown Gem
Story

For over two decades, Crown Gem has been at the forefront of the world's finest gemstone trade. Founded by passionate gemologists, every stone in our collection is personally selected from trusted mines across Sri Lanka, Burma, Colombia, and beyond.

We believe that every gemstone carries within it a story of the earth — of time, pressure, and extraordinary beauty. Our mission is to bring these stories to collectors worldwide with complete transparency and uncompromising quality.

About Us

Client Voices

Trusted Worldwide

"The Kashmir sapphire I acquired exceeded every specification. The provenance documentation was immaculate, and the stone's character is beyond compare."

H. Steinhardt Zurich, Switzerland

"Lumière found us a matched pair of Burmese rubies for a commission that we had been seeking for over a decade. Their network is simply unparalleled."

M. Fontaine Paris, France

"My family has purchased stones from Crown Gem for three generations. The trust, expertise, and sheer beauty of what they curate is irreplaceable."

A. Lindqvist Stockholm, Sweden

Where Rarity Meets
Radiance

Stones of
Extraordinary
Rarity

Sapphire

Ruby

Emerald

Diamond

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