These faceted opals graduate in size from 7mm rondelle to 4mm. The necklace features 17 inches of opal and 2 more inches of sterling silver chain so one can adjust the fit from 17 inches to a maximum of 19 inches. These top quality opals shine like diamonds and throw off reds, greens, blues and yellows in a clear to milky white matrix. Every single stone is triple AAA quality, full of stunning fire. This is an incredible amount of opals that will become an heirloom piece in the family that buys it. It is being offered at an excellent price.