Graining
Graining refers to faint wavy, hazy, oily, or shadow-like lines that can appear inside a diamond or[…]
Green Diamond
A green diamond is a diamond that exhibits a natural green body colour, making it one of[…]
Grading Report
A grading report, also known as a diamond certificate, is an official document issued by a recognised[…]
Grainer
The term "grainer" is used in the diamond industry to describe a diamond’s weight in quarter-carat (0.25[…]
Gemmology
Gemmology is the scientific study of gemstones, encompassing their identification, evaluation, grading, and authentication.
Girdle
The girdle helps protect the diamond from chipping and damage, particularly along its edges. A properly proportioned girdle[…]
Girdle Thickness
Girdle thickness refers to the width of the diamond's girdle, which is the outer edge separating the[…]
Gem Quality
Only about 20% of mined diamonds are of gem quality, meaning they meet the necessary standards for[…]
Fracture
A fractured diamond refers to a diamond that has an internal fracture, often called a fracture or
Fracture Filling
Fracture filling is a treatment used to improve the clarity and appearance of diamonds that have visible[…]