History of Diamond Grading in Australia

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Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

Toughness Measure of brittleness, or resistance to fracture and breaking
Toughness

Toughness refers to a diamond's resistance to fracture or breaking when subjected to impact or stress.

Tapered Baguette Cut

The tapered baguette cut is a specific style of diamond cut that is typically used for accent[…]

Table

The table is one of the most important facets of a polished diamond, situated at the very[…]

Table Size

Table size refers to the measurement of the table facet of a diamond, which is the large,[…]

Step Cut A style of diamond cutting creating rows or steps of elongated facets
Step Cut

A step cut is a style of diamond cutting that creates a distinctive look with rows or[…]

Symmetry Degree and regularity in shape and placement of facets
Symmetry

Symmetry in a diamond refers to the degree of alignment and uniformity in the shape and placement[…]

Synthetic Diamond Man-made versions of the diamonds found in the earth
Synthetic Diamond

A synthetic diamond (also known as a lab-grown diamond, man-made diamond, or cultured diamond) is a diamond[…]

Single-Cut

A single-cut diamond refers to an old-style cut that features only 16 facets in total – 8[…]

Star Facets

Star facets are the triangle-shaped facets that are located directly around the table facet of a round[…]

Scintillation

Scintillation refers to the sparkle or twinkle that a diamond exhibits as light reflects off its surface[…]

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