This is a turn of century antique large Opal gemstone Ruby Peridot pendant. It fashions one oval shape Opal Cabochon, surrounds by eight (8) Ruby and Peridot alternatively. The pendant is made of 18K yellow gold, scroll design setting of Peridot gem is sterling silver.

Opal 30.0 x 18.0 x 5.0mm approx. 15.0ct
Ruby 3.0mm, approx 0.88ct; Peridot 2.6mm, approx. 0.56ct

Pendant is 40.0 x 27.0mm x 7.5mm; Weight 11.8gm, no assay mark, tested for 18K and Sterling silver