Black Onyx Necklace Etsy Black Onyx & Sterling Pearl Necklace 16.5 Graduated Black Onyx and Sterling Silver Bead Necklac Gem Real Black Onyx Bead Necklace Black Onyx Jewellery Stellar Whispers. This one has that little edge to it. The mix of black onyx rondelles with 56mm sterling silver pearls gives it personality without trying too hard. Its the kind of piece that pulls your whole outfit together whether youre dressing it up or just throwing it on with a tee. Handmade in house by The Bijoux FAB, right here in the USA. Every necklace is slightly unique, just like it should be. Length: 16. 5" + extender Materials: Sterling silver pearls, black onyx rondelles Sterling silver findings Lightweight, comfortable for everyday wear Handmade in the USA