Onyx | December Birthstone

Onyx Jewelry

Discover the timeless beauty of onyx jewelry at Sunflower Soul Boutique. Known for its rich black color and smooth, polished finish, onyx brings bold contrast and effortless sophistication to rings, necklaces, earrings, bracelets, and meaningful gifts.

Our onyx jewelry collection includes modern minimalist designs, vintage-inspired settings, sterling silver styles, gold-tone pieces, and fine jewelry accented with diamonds or complementary gemstones. Whether you are searching for an elegant black gemstone ring, a striking onyx pendant, or an everyday accessory with a refined edge, these pieces are designed to stand out while remaining easy to wear.

Timeless Black Gemstone Jewelry

Onyx has been used in jewelry for centuries and remains loved for its deep, dramatic appearance. Its neutral black coloring complements both warm and cool metals, making it especially versatile in sterling silver, yellow gold, rose gold, stainless steel, and mixed-metal designs.

Shop by collection

Onyx Engagement and Birthstone Rings
Minimalist Black Onyx and Diamond Half Eternity Ring

Onyx Engagement and Birthstone Rings

Onyx Earrings
Natural 4.2 Carat Cushion Cut Black Onyx Earrings with Screw Back

Onyx Earrings

Onyx Necklaces
2 Carat Black Onyx Heart Pendant with Diamond

Onyx Necklaces

Onyx Bracelets
Natural 1.8 Carat Emerald Cut Black Onyx Bolo Bracelet with Diamond Halo

Onyx Bracelets