Here is a $15,,000 19.30Ct Ruby and Diamond Ring in 18k white gold. This is part of a collection of estate jewelry that will be auctioned this week. The center stone is an 18.80Ct Red Oval Cabochon Ruby. This stone was confirmed a Natural 18.80Ct Ruby by the Gem Lab Director. This large Ruby is surrounded by a wreath of 96 Diamond encrusted Prongs. The total Ruby and Diamond weight is approximately 19.30Cts. The ring is size 5.5 and it will be sized free upon request of the winning bidder. Ruby is the July birthstone. This has a retail replacement cost of $15,000 and it will be auctioned with a surprisingly low reserve. Bid to Win.