Yes — sapphires, rubies, emeralds, and most colored gemstones can be tested for natural vs synthetic status, heat treatment, and country-of-origin indicators (with limitations). Country-of-origin certification for valuable colored stones is done by GIA or Gübelin on submission.

Yes — sapphires, rubies, emeralds, and most colored gemstones can be tested for natural vs synthetic status, heat treatment, and country-of-origin indicators (with limitations). Country-of-origin certification for valuable colored stones is done by GIA or Gübelin on submission.

No — all our testing methods are non-destructive. We examine mounted and unmounted stones without removing them from settings in most cases.

No — all our testing methods are non-destructive. We examine mounted and unmounted stones without removing them from settings in most cases.

Walk-in stone identification: $25-50 per stone. Written evaluation report: $75-150. If we need to submit to an external lab for certified grading, we quote the lab fee separately.

Walk-in stone identification: $25-50 per stone. Written evaluation report: $75-150. If we need to submit to an external lab for certified grading, we quote the lab fee separately.