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Showing 10 results for the category: Gems.

Anton Horvat Platinum, Sapphire and Diamond Brooch Gavels For $108,000 at Nadeau’s (1/27/14)
Sapphire broochWINDSOR, Conn. – A stunning Anton Horvat platinum, sapphire and diamond brooch—having at its center a cushion-cut, 6-carat blue sapphire—sailed … More >>


The Pink Star, One of the World’s Most Valuable Diamond, Could Realize $60 Million (11/5/13)
The Pink StarGENEVA –The Pink Star, the most valuable diamond ever to be offered at auction, will be go under the gavel … More >>


Sports Card & Memorabilia Roundup: Honus Wagner Fraud and Bejeweled Hoops Cards (10/15/13)
per_psa8Wagner_newowner1For those with simply a mere casual interest or for those more heavily invested in the sports card and memorabilia … More >>


Christie’s Kicks Off Fall Season with Diverse September Calendar of E-Commerce Sales (9/9/13)
wine septNEW YORK – Christie’s is pleased to announce its exciting line-up of featured e-commerce sales taking place this September. These … More >>


The Extraordinary Jewelry of Alexandre Reza to Debut at Sotheby’s Exhibition (7/26/13)
Untreated Ceylon sapphire broochNEW YORK – The Extraordinary Jewelry of Alexandre Reza, a public exhibition highlighting both the historic and contemporary works of … More >>


Diamond Wise: Facts You Should Know before You Buy or Sell that Engagement Ring (3/15/13)
Adler Rings (54)Buying and selling diamonds can be both easy and then complicated. Many believe that if you have a handle on … More >>


Any Way You Look At It, the Fiery Opal Is Certainly a Thing of Beauty (7/13/09)
This large and spectacular vintage opal ring is finely crafted in solid 14K yellow gold. The center opal measures 7mm x 5mm, and surrounding gems are 6mm x 4mm each. The total weight for these colorful gems is about 2.71 carats.If you were born in the month of October, then in all probability you know that your birthstone is Opal. … More >>


Authenticating Ancient Chinese Jades Using Scientific Methods (1/24/09)
Nephrite jade incense burnerBy Janet G. Douglas Many collectors and museums have questions relating to the authentication of ancient Chinese jades in light of … More >>


Onassis Diamond is Huge and Flawless (5/12/08)
LONDON – Another huge diamond is hitting the market – this time it’s a pear-shaped gem that belonged to heiress Christina Onassis. It will be auctioned June 11 at Christie’s with an estimated value as high as $4.3 million. More >>


Diamonds are a girl’s best friend… (11/15/07)
Diamonds are a girlDiamonds are a girl’s best friend… Needless to say you have seen and heard this quote many times and it is true. In the collecting world jewelry it’s golden whether it’s gold or not. There are so many categories of jewelry it is mind boggling! All people (yes men too!) collect jewelry in some form or another. More >>