Black Hills 10K gold sterling silver heart pendant

"Onyx heart pendant with a diamond cut edged .925 sterling silver setting, hand-engraved, hand-placed, 10K green and rose gold leaves, and silver vines and grape beads." Design is unique to jeweler in Black Hills, SD. Comes on an 18" sterling silver box chain. Chain is stamped "Italy" and ".925"; it is not original to the pendant. No low offers, please. This is jewelry I've had for years and has significant value. Don't bother if you're offering anything less that 10% of the listed price.