Up for Sale: 5.7 Carat Unheated Ruby from Luc Yen, Vietnam – Native Emerald Cut

Offered here is a rare and highly collectible 5.7 carat unheated ruby, sourced directly from the famed Luc Yen district of northern Vietnam—a region revered by connoisseurs for producing some of the world’s most vibrant and character-rich rubies.

This exceptional gemstone features a native emerald cut, a traditional faceting style that emphasizes the natural beauty and internal fire of the stone while preserving maximum carat weight. The gem exhibits a rich, lovely orangish red hue, a rare and unusual characteristic for a Luc Yen ruby. Unheated rubies above 5 carats are considered extremely rare, especially considering the Luc Yen origin. Due to being unheated, the ruby does contain inclusions which can are visible to the naked eye, please refer to the images and the video.

Key Features:

• Weight: 5.70 carats

• Origin: Luc Yen, Vietnam

• Treatment: None (Unheated) – a natural rarity in the market

• Cut: Native emerald cut

• Color: Orangey red

• Clarity: Natural inclusions typical of untreated stones

About Luc Yen:

Nestled in the mountainous regions of northern Vietnam, Luc Yen has gained global prestige among gem dealers and collectors for its ethically sourced, naturally vibrant rubies. Unlike mass-produced stones, Luc Yen rubies are often hand-mined by local communities, resulting in gems that carry not just beauty, but authenticity and provenance. The best Luc Yen rubies rival, and in some cases surpass, their Burmese counterparts in color saturation and crystal quality—especially when unheated.

Unheated rubies of this size and origin are becoming increasingly rare in the global market, making this piece a worthy addition for serious collectors, bespoke jewelry designers, or investors in fine gemstones.

Please note that this stone is uncertified, a report from Pacific Gem Lab (Portland, OR) can be provided upon request for a fee and a waiting period of up to 3 weeks, the fee is non-refundable.

Serious inquiries only. This is a ultra quality stone that speaks to those who understand the true value of untreated, origin-specific gems.