The trophy features a 24-carat gold palm attached to a piece of cut crystal.
An Edmonton retail jeweler will showcase a 10-carat fancy light purplish pink diamond from April 13-17.
The 76-carat Archduke Joseph diamond, described as internally flawless, comes from India's famous Golconda mines.
The rarest is a petite, .90-carat fancy intense green diamond, cut round to maximize its dazzle.
For bigger stones, where the per-carat price is much higher, those margins get squeezed below 20%.
Not only are Chinese purchasing increasing amounts of gold, they prefer pure 24-carat gold.
He said a 22-carat gold necklace, with a charm of a pig, also was found.
The rarer stuff featured in Susan Adams' cover story is worth seven times as much per carat.
However, in this case the diamonds are orange (1.55 carat weight), representing the national color of Holland.
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The ring, weighing 63.856 kilograms, consisted of 5.17kg of precious jewels set in a 58.686kg, 21-carat gold ring.
The 3, 106-carat Cullinan diamond uncovered in 1905 by Frederick Wells at the Premier Mine in Pretoria, South Africa.
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The pendant's bright gold color, even where it melted, indicates that it was made from high-carat gold, he said.
Most of the gold being traded around that region is of the 24-carat variety, too soft for daily wearing.
The 34.65 carat diamond's origin can be traced back to the ancient diamond mines of Golconda in southern India.
The auction house said the price paid for the 110.03-carat gem set a world auction record for yellow diamonds.
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Samsung says it will offer an 18-carat gold phone especially for the Beijing Olympics in the summer of 2008.
Supporting the diamond is a neck-piece made of 74.77-carat TCTW D-F color alternating round brilliant and emerald cut diamonds.
You would be amazed what dangling the right carat to someone will do.
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It is accented with a 3-carat, D color diamond clasp signed by Cartier.
Using the XRF technique, curators have already discovered that some of the hoard artefacts contain 94% gold (about 22 carat).
They include an exquisite 32-carat apricot diamond ring and a dramatic pair of topaz earrings studded with rubies and diamonds.
Mr. Winston offered the man and his wife a choice: The 68.90 carat emerald or a 69.42 carat pear-shaped diamond.
The 3.75-carat sparkler was discovered in an abandoned safe deposit box and was sold to a private buyer on eBay.
Normally, "You just can't call up and ask for an 8-carat purple, " sniffs Simon Teakle, a senior vice president at Christie's.
One of the most valuable pieces is a 15-carat rose-gold bracelet with the name "Amy" spelled out in 26 small diamonds.
She was also presented with an edible replica of the Irish state coach, made from chocolate, sugar and 24-carat gold leaf.
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Graff rues the lost opportunity, since just weeks later the 603-carat Lesotho Promise was unearthed there, the fifteenth-largest rough ever discovered.
The modern piece will be fitted with a hand-sewn alligator strap and fastened with 18-carat gold shaped like the Maltese cross.
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Such security was installed as a precaution to protect its star attraction, the Imperial jewels, including the 36 carat Kashoggi diamond.
In his 32-carat apricot-color diamond ring, the stone is held in place by threads tied on either side in delicate diamond-shape knots.
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