This lovely vintage bracelet is crafted from 14k yellow gold. The front half has an open design with blue enamel and graduated oval cut fire opal gemstone. It secures with a push in clasp and latch for added security. Material: 14k yellow gold Measurement: inner circumference: 6.35" Front half: 3.5" across x 0.43" wide x 0.26" thick Fire opal: 0.31" x 0.23" - 0.22" x 0.14" Weight: 18.7 grams.