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4 Carat Fancy Intense Bluish Green Cushion Cut Diamond Ring
3 Carat Fancy Green Yellow VS2 Radiant Cut Diamond Ring
3 Carat Fancy Yellow Green VS1 Pear Shape Diamond Ring
3 Carat Light Green VS2 Radiant Cut Diamond Ring
2 Carat Light Green Yellow SI1 Radiant Cut Diamond Ring
2 Carat Fancy Green VS2 Cushion Cut Diamond Ring
Natural green diamonds are produced by millions of years of exposure to natural radiation deep in the earth’s crust — the only fancy color whose origin is radiogenic rather than chemical. Truly green-bodied natural diamonds account for less than 0.1% of all GIA-graded fancy color stones, and pure unmodified greens (no blue, yellow, or grey secondary hues) are vanishingly rare at commercial weights.
This collection covers Fancy Light Green through Fancy Vivid Green in rings — primarily set in platinum, occasionally in 18kt yellow gold when the secondary hue carries a yellow modifier. Stones range from under 1 carat for engagement weights to above 5 carats for collector pieces. Every diamond carries a GIA Colored Diamond Grading Report identifying the hue, secondary modifiers, tone, and saturation.
GIA-certified natural Fancy Green diamond rings — among the rarest fancy colors, hand-fabricated in platinum by David Rosenberg.
Why Natural Green Diamonds Are So Rare
Green diamonds form when a diamond, after crystallization, is exposed to natural radiation from nearby uranium-bearing rocks over millions of years. The radiation displaces carbon atoms in the crystal lattice, creating color centers that absorb red wavelengths and reflect green. This process is geologically rare and produces color that is almost always concentrated at the surface — only stones with deep, internally distributed green color qualify for the highest GIA grades.
The vast majority of green diamonds on the market are treated — artificial irradiation produces a visually similar but distinguishable color, and GIA reports always identify whether the green color is natural or treated. Every green diamond in this collection is GIA-certified as natural color origin; we do not stock treated stones in any color category.
Frequently Asked Questions
How rare are natural green diamonds?
Natural green diamonds account for less than 0.1% of all GIA-graded fancy color diamonds. Pure unmodified greens (no secondary hues) at commercial weights are among the rarest natural gem-quality stones in existence — the Dresden Green at 41 carats is the most famous historical example.
How can you tell a natural green diamond from a treated one?
Only laboratory testing — primarily by GIA — can definitively distinguish natural from treated green. The GIA Colored Diamond Grading Report explicitly states color origin: "natural" or "treated." Every green diamond at Rosenberg Diamonds is certified natural origin; we do not deal in treated material.
Why are green diamonds often set in platinum?
Platinum is neutral and lets the green body color read at its true saturation. Yellow gold pulls warmth into the pavilion and can shift a pure green toward a yellow-green appearance — only chosen intentionally when the stone already has a yellow secondary modifier.
How much does a green diamond ring cost?
Entry-level Fancy Light Green rings start in the high five figures for stones under 1 carat. Fancy Intense and Vivid Greens above 1 carat begin in the six figures, and at the very top of the market (pure Vivid Greens above 3 carats), pieces are sold on commission and pricing is provided on request.
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