Colors to please everyone: Exclusive All-Opals Auction, July 20

Check the results of any auction of loose gemstones and you will find that the opals consistently prompt some of the fiercest fights and biggest winning bids. Jasper52 has wisely cut to the chase and offered an Exclusive All-Opals Auction on Wednesday, July 20, starting at 4 pm Eastern time. Absentee and Internet live bidding will be available through LiveAuctioneers.

Three favorites for top-lot status include an 8.33-carat Ethiopian black fire opal with a oval cut; a black fire opal weighing 6.21 carats and sporting a pear cabochon cut; and an oval-cut multi-color opal of 7.07 carats. That said, the auction lineup contains 295 lots, all of which are likely to find new homes.

Oval-cut 8.33-carat Ethiopian black fire opal, est. $200-$250

View the auction here.