Here is a $12,000 4.93Ct Rainbow of Sapphires Layout. This is part of a jewelry store stock that will be auctioned this week. This collection has 24 Rounds that measure 3.5mm and total 4.93Carats. If you collect gems or love to design your own jewelry- you won't want to miss this auction. Sapphire is the September birthstone. This lot has a retail replacement cost of $12,000 and it will be auctioned to the highest bidder at $1 No Reserve.