Carl Gustav Hallberg 2.59ct Diamond Trilogy Ring, Circa 1940
By Carl Gustav Hallberg
Located in Malmö, Skåne län
Hallmarked with swedish court jeweler maker CGH - Carl Gustaf Hallberg and P for platinum. 3 transitional early modern cut diamonds. Principal 1.1 carat and the two sides 1.49 carat...
1940s Swedish Vintage Carl Gustav Hallberg Jewelry & Watches
Diamond, Platinum











