Found by a metal detectorist, the ring likely belonged to a wealthy, possibly royal, owner, said Noonans.
9 pieces to see at the Miami antique show
When the antique and estate jewelry and watch show opens in Miami later this week, vendors will have pieces ranging from Renaissance to retro on display.

Miami--Later this week, more than 100 exhibitors will put their best pieces of antique and estate jewelry on display at the Miami Antique Jewelry & Watch Show, which begins Friday and runs through Sunday.
This year’s show is taking place at a new venue, the Miami Airport Convention Center.
There, dealers will display jewelry and watches from the Renaissance to retro eras, as well as signed pieces from well-known international brands like Cartier, Tiffany & Co., Rolex and Harry Winston.
The show also will host a special session on Friday at 7 p.m. for the GIA Alumni Association of South Florida. Jennifer Heebner, senior editor at JCK magazine, will give a seminar called “The 10 Jewelry Trends You Need to Know Now and Why.” Registration is required, and the session is open to all GIA Alumni.
Hours for the Miami Antique Jewelry & Watch Show are 11 a.m. to 7 p.m. on Friday, Nov. 7 and Saturday, Nov. 8, and from 11 a.m. to 6 p.m. on Sunday, Nov. 9.
Admission is $20 for all three days.
For more information about the show or the GIA session, call 239-732-6642 or visit AntiqueJewelryMiami.com.
U.S. Antique Shows, purchased earlier this year by Emerald Expositions, operates the Miami Antique Jewelry & Watch Show. Emerald Expositions also owns National Jeweler, along with the JA New York and Couture shows.
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