Coated Diamond or Coating
A coated diamond refers to a diamond that has undergone a treatment where a thin layer of material is applied to the surface of the diamond to alter its colour, appearance, or shine.
Diamonds
Cognac
A Cognac diamond is a type of brown diamond that is characterized by its rich, warm brown hues with shades ranging from light yellow-brown to deep, intense reddish-brown.
Cold Laser Inscription
A diamond cold laser inscription is a process where a laser is used to etch a unique identifier, such as a serial number, logo, or personalized message, onto the girdle (the outer edge) of a diamond.
Cloud
A cloud in a diamond refers to a type of inclusion consisting of tiny, hazy clusters of fine, needle-like inclusions that appear as a clouded or milky area within the diamond.
Cleavage
Cleavage in a diamond refers to the ability of a diamond to split or fracture along specific planes due to its crystalline structure.
CIBJO
CIBJO, also known as The World Jewellery Confederation, is a global organization that represents the jewellery industry. It brings together national jewellery trade associations from around the world
Clarity
Diamond clarity refers to the presence and visibility of inclusions (internal flaws) and blemishes (external flaws) within or on the surface of a diamond.
Clarity Enhancement
Clarity enhancement in diamonds refers to the process of improving the appearance of a diamond by reducing the visibility of inclusions and blemishes.
Chameleon-Type Diamond
Chameleon diamonds typically shift from an olive green or grayish-green hue to a yellow or orangey-yellow shade when exposed to heat