Christina McCormack: Shop Gray Opal Strand PreviousSilver Freshwater Pearls Nextblack tourmaline Gray Opal Strand Gray Opal Strand $675.00 Graduated gray opal strand with 18 karat yellow gold lobster clasp. Strung on knitted gray silk measuring 22” total length. The opal beads range from 7-15mm in size. Add To Cart Facebook0 Twitter