Natural Black Onyx Heart Shape Calibrated Cabochon-cut

These natural black onyx heart shape calibrated cabochon-cut gemstones offer a romantic and precise element to your jewelry creations. The heart shape provides a classic and sentimental design, while the calibrated sizing ensures consistent dimensions for seamless setting in various jewelry styles. The deep, rich black color of the onyx adds a touch of sophistication and elegance. These gemstones are perfect for creating matching earrings, pendants, or accent stones in a range of heartfelt designs.

The smooth, polished surface of these black onyx cabochons and their consistent sizing ensure easy setting and seamless integration into your projects. Whether you're crafting a personal piece or a bespoke gift, these natural black onyx heart shape calibrated cabochon-cut gemstones will add a touch of timeless elegance and romantic charm to your artistic endeavors, especially when precision is necessary.