Vintage gold plated onyx cabochon jumbo 4" modernist brutalist pendant

Great condition, shows minor wear and hints of verdigris buildup. Unknown artist but this piece is without a doubt the work of a skilled artisan. Weight is 18.36 grams. Please see photos for measurements. Size: Womens OS Condition: Pre-Owned Tags: semi precious semiprecious stones gemstones rocks minerals polished black statement piece high end collectibles accessories 1960s 1970s 1980s last minute Christmas gifts presents for her girlfriend fiance wife anniversary birthday Valentines Happy Valentine's Day date dating love romantic statement cocktail