Violet Diamond
David Federman
Modern Jeweler
When he published his monumental “Collecting and Classifying Coloured Diamonds” in 1998, Stephen Hofer outraged some dealers who specialize in these rarities by refusing to include a section on violet diamonds. In a note near the end of the book, he declared: “ . . . Violet does not occur as a bona fide colour variety in natural diamonds.”
Hofer had agonized over this omission throughout the writing of his book. Although he had seen diamonds with tinges of violet, he had never seen ones with color he could call “inherently pure violet.” Neither, he was willing to bet, had those fancy color diamond dealers who, nonetheless, were likely to be unhappy with his decision. As a gemologist well-versed in color science, he distinguished a hint of color usually seen in a diamond’s face-up position from a full-fledged hue observed in the rock’s bottom. For there to be a variety of diamond worthy to be called violet, at least one stone had to have a body color of unalloyed violet. Unless or until he found such a stone, Hofer felt duty-bound to leave out a section on violet.
View Full Article: http://www.modernjeweler.com/web/online/Diamond-Gem-Profiles/Violet-Diamond/2$284
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Red Diamond
David Federman
Modern Jeweler
“When a sapphire crosses over the line of saturation from pink to red and becomes a ruby, you’re usually glad it did,” says Bruce Smith, a fancy color diamond specialist in New York City. “But when a diamond crosses the very same line, you almost always wish it hadn’t.”
Not that pink diamonds, ultra-rare to begin with, stray into red territory all that often. They only do so once in a blue moon. Alas, when they do, says gemologist Stephen Hofer, author of Collecting and Classifying Coloured Diamonds, “their color is never strong enough to justify comparison to lipstick or stop signs.”
View Full Article: http://www.modernjeweler.com/web/online/Diamond-Gem-Profiles/Red-Diamond/2$286
Posted by ColorDia Date: Tuesday, September 11, 2007
Categories: Color Diamond Investing, Diamond News, ~ Rare Diamonds, ~ Red Diamonds
Tags: collecting and classifying coloured diamonds, color diamond, fancy color, red diamond, ~ Pink Diamonds
