circa 1960s.

The set comprises three 18K white gold and one 14K white gold (emerald) rings channel set with step cut rubies, sapphires and emeralds.

One ring is set with bright white princess cut diamonds. Estimated total diamond weight is 1.26 carats.

Approximate total weight of the colored stones: rubies – 1.30 cts, sapphires – 1.12 cts, emeralds – 0.78 ct.

Three rings are marked with 750 gold standard (18K), one with Austrian horse head assay mark for the 4th gold standard (14K).

The rings come in a black suede case stamped in gold

‘PALTSCHO

GRABEN 14

WIEN’.

The firm of Paltscho, one of the most renowned Austrian jewelers, was founded in Vienna in 1899. After 1922, Paltscho’s shop was located at Graben Street 14.

The three rings with colored stones are size 7. The diamond ring is size 6.5. All rings could be resized.