Orange is among the least common diamond colors, and nearly every orange carries a modifier — a stone graded pure orange is a rarity of a different order.
A combination of nitrogen and structural defects, the same family of causes that produces yellow but in a configuration that shifts the absorption toward orange. The precise combination is uncommon, which is why orange is so much scarcer than yellow.
Are pure orange diamonds available?
Very rarely. The overwhelming majority carry a modifier — yellowish orange, brownish orange or pinkish orange. A report reading simply "Fancy Orange" with no modifier describes an exceptional stone.
How does a brown modifier affect an orange diamond?
It reduces the price, sometimes substantially, but brownish orange stones can be extremely attractive in the hand and represent some of the better value in fancy color. Worth seeing before dismissing on the report alone.
What sizes do orange diamonds come in?
Mostly under a carat. Larger stones with genuine orange saturation are uncommon and reach prices comparable with pink of similar intensity.
Which cuts show orange best?
Radiant and cushion concentrate the color most effectively. Pear and oval also perform well and are frequently chosen for orange rough.
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