Sapphire: UNHEATED
Unheated Sapphire — No Treatment, Premium Quality
A curated selection of 276 natural unheated sapphires — stones that have received no heat treatment or enhancement of any kind. Unheated sapphires command a significant premium in the market due to their rarity and collector value.
Colors include blue, pink, yellow, teal, padparadscha, and color-change varieties. Origins span Sri Lanka (Ceylon), Madagascar, Burma, and Kashmir. Many stones are available with GRS or GIA certification confirming "no heat" status.
Ideal for collectors, investors, and clients seeking the highest grade of natural sapphire for fine jewelry or portfolio holdings.
Thai Gems has specialized in sourcing unheated sapphires from origin for over 70 years. Every stone is hand-selected and verified. Wholesale and trade pricing available. 30-Day Money Back Guarantee.