Nick
A nick is a small surface blemish found on a diamond, typically appearing as a tiny break or indentation along the girdle or facet junctions.
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Needle
A needle inclusion is a type of internal characteristic found in natural diamonds. It appears as a long, thin, needle-like crystal trapped inside the diamond during its formation.
Natural Diamond
A natural diamond is a gemstone composed of crystallized carbon that was formed deep within the Earth’s mantle under extreme heat and pressure over 1 to 3 billion years ago.
Natural
A natural refers to a portion of the original rough diamond’s outer surface that remains unpolished on a finished, faceted diamond.
Nailhead
The nailhead effect refers to an unattractive black or dark shadow that appears under the center of a round brilliant cut diamond when its pavilion (lower portion) is too deep.
Moissanite
Moissanite is a gemstone made of silicon carbide (SiC) that closely resembles a diamond in appearance but has distinct physical and optical properties.
Mohs Scale
The Mohs Scale of Hardness is a qualitative scale that ranks minerals based on their ability to resist scratching
Milky Diamond
A milky diamond refers to a gemstone that exhibits a cloudy or hazy appearance, which results in reduced transparency, brilliance, and overall life of the stone.
Melee
Melee diamonds are small, polished diamonds that typically weigh less than 15 points (0.15 carats) each.
Master Set
A Master Set is a collection of certified and registered diamonds that serve as a reference point for grading the colour of other diamonds.