Sapphire and diamond crossover ring, French, early 20th Century.
Located in London, GB
Marked 18 yellow carat gold and settings tested platinum, indistinct maker's mark, French, early 20th Century, accompanied by Gemmological Certification Services (GCS) report #5786-4...
1910s French Belle Époque Antique Certificate
Diamond, Sapphire, Yellow Gold, Platinum









