Jewelry Glossary
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | index | Search |
GCAL: |
||
|---|---|---|
|
The Gem Certification and Assurance Lab. GCAL offers diamond authentication and grading certificates issued by some of the top experts in the diamond grading industry. They assess the light performance of the diamond for brilliance and symmetry and can provide a Gemprint for positive ID.
|
||
