Brilliant Cut Diamonds The most popular diamond shape is the traditional, round diamond. Designed following precise mathematical guidelines, this brilliant cut diamond shape maximises both brilliance and fire. The modern round brilliant has 57 facets (polished faces) and special attention is paid to the proportions of the cut to ensure perfect symmetry and encourage light refraction. Stones that are cut to a high grade have the most spectacular effect. You can buy a diamond loose, or once you have chosen a diamond, a number of mounts will be displayed to enable you to buy a complete gold or platinum engagement ring.
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