Buy Precious Gems -

: For significant purchases, always request a report from a recognized gemological laboratory like the GIA or AGS . These reports verify identity, origin, and whether the stone has been treated.

: If buying a finished piece, ensure the prongs are secure and the metal matches the quality of the stone. Gem Buyers Guide to Thailand - Books - Amazon.com buy precious gems

: Artificial store lighting can mask a gem's true color; always check the stone in daylight. : For significant purchases, always request a report