What is a Radiant Cut Diamond?
History of the Radiant Cut Diamond
The Radiant Cut Diamond is a relatively recent advent, formally coming about in the late 1970s after its design by Henry Crossbard of the Radiant Cut Diamond Company (RCDC). His objective was to create a shape elegant as an Emerald Cut but with the sparkling facets of the Round Brilliant.
Using novel cutting techniques square facets were made to have similar optical properties to the triangular or kite shaped Brilliant facets. The term Radiant Cut is patented by the RCDC hence Diamond laboratory certificates will instead use the terms Cut Cornered Square or Rectangular Brilliant.
Diamond Cut vs Diamond Shape
When people commonly mention the cut of a diamond they are referring to the overall outline or shape of the diamond, however this shouldn’t be conflated with the quality of cutting when the Diamond is fashioned from a rough stone.
Features of a Radiant Cut Diamond
A Radiant Cut is sometimes called the "Square Modified Brilliant" or "Rectangular Modified Brilliant". The edges are trimmed and stepped, with the Diamond having the desired “Brilliant” cut, but with 70 facets, differing from the Round Brilliant and its 57-58 facets. Radiant cut diamonds usually present with an approximate 1:1 ratio when square, or a 1:1.5 ratio in the rectangular variant.
The design stands out due to its angular corners, and provides exceptional versatility, working well with engagement rings or other many jewellery items. Another huge benefit is the ease with which accent or additional diamonds can be added, for example in a Trilogy setting, due to the uniform angles of the Radiant Cut Diamond.
Conventionally thought to mask clarity inclusions better and combined with a striking shape, the Radiant cut is a strong contender as a centrepiece for any Engagement Ring. See our Solitaire, Halo or Trilogy rings.
Go to our Diamond Search Engine and select Radiant in the shape section and see what we currently have available. Alternatively if you need any help Contact Us and we will be happy to answer any queries you may have.
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