UNIQUE ring made of South Sea snail with brilliant-cut diamond approx. 0.6 ct,

UNIQUE ring made of South Sea snail with brilliant-cut diamond ca. 0.6 ct, FANCY GREENISH BROWN set in 18K yellow gold, 53.3 g, ring size 58, 20th/21st century, near the setting signs of fracture and glue, otherwise good condition, prob. GÜNTER KRAUSS.