- Brand new, never worn opal necklace. It has an 18 inch 10K pure solid white gold box chain, from Kay Jewelers. I’ll include the Kay box as well as the wooden jewelry box. - New without tags as the opal, gold chain and jewelry box all came from different craftsmen. -An opal is an enchanting gemstone loved by cultures all over the world. It is my personal favorite pendant. The October birthstone - As a gift to someone born in October they would likely realize the thought and sentiment of receiving an opal necklace. A beautiful piece like this would be cherished. All lighting from all angles, show off it’s radiance. I have yellow gold chains as well, but I highly advise sticking with the white gold chain, the white gold with this vibrant blue opal is a match that complements both pieces so well. - The opal is plated in 14k white gold, but it is sterling silver under the plating. The chain itself is pure solid white gold. Gold plating around an opal encased in sterling silver, does not increase the value of the opal pendant itself, other than its appearance or sentimentally. Plating is a very small amount. The entire chain is authentic white gold. A .5 mm chain is the perfect fit for the opal pendant. opal pendant. The pictures are meant to help indicate the size of this piece. One of my larger white gold chains I tested, but the size balance just wasn’t natural. - This combination expresses a rare elegance. - If anyone prefers, I have a white opal as well.