HPHT (High Pressure High Temperature) Treatment
HPHT treatment refers to a method used to alter or enhance the colour of diamonds through the[…]
Hot Laser Inscription
Hot laser inscription refers to the process of using a high-powered laser beam to inscribe a number,[…]
Hearts & Arrows
The term Hearts & Arrows refers to a distinct and beautiful pattern that appears in some high-quality[…]
Heart Cut
The heart cut is one of the most romantic and symbolic diamond shapes, often chosen for engagement[…]
Hardness
Hardness refers to a material's resistance to scratching or abrasion. When it comes to diamonds, this property[…]
Green Diamond
A green diamond is a diamond that exhibits a natural green body colour, making it one of[…]
Graining
Graining refers to faint wavy, hazy, oily, or shadow-like lines that can appear inside a diamond or[…]
Grainer
The term "grainer" is used in the diamond industry to describe a diamond’s weight in quarter-carat (0.25[…]
Grading Report
A grading report, also known as a diamond certificate, is an official document issued by a recognised[…]