Toi Et Moi Salt & Pepper Herkimer Diamond & Black Onyx Ring in 14K White Gold

This salt and pepper diamond ring is a gothic toi et moi engagement ring in solid 14K white gold — a hexagon-cut natural Herkimer diamond paired with a pear-cut natural black onyx, each set in its own four-prong basket. The Herkimer carries the same smoky, galaxy-like inclusions that made salt-and-pepper diamonds one of the most sought-after alt-bridal stones of the decade, here held in fine-jewelry metal meant to be passed down. Made to order as a real heirloom, not a placeholder.

The Stones

• Natural Herkimer diamond, hexagon cut — 7.0 × 7.0 mm, approximately 1.0 carat; a doubly-terminated quartz crystal mined from Herkimer County, New York, with dark carbon and anthraxolite inclusions that create the signature salt-and-pepper diamond look without being a diamond at all
• Natural black onyx, pear cut — 6.0 × 8.0 mm, approximately 1.0 carat; deep, opaque polished chalcedony with a velvet-smooth surface
• Each stone is hand-set in its own four-prong basket — the signature toi et moi silhouette, with the two stones leaning toward each other like clasped hands
• Approximately 2 total carat weight across the pairing, with real finger presence
• Every Herkimer is geologically unique — no two inclusion patterns repeat, making every ring one of one

The Band

• Solid 14K white gold — not plated, not filled, hallmarked fine jewelry metal
• 1.7 mm average band width — a delicate, refined shank that keeps the focus on the stones
• Polished high-shine finish that frames both stones in cool bright gold
• Available in 14K rose gold or yellow gold on request, and upgradeable to 18K for additional investment

Why Herkimer Diamond

• A natural quartz crystal, not a diamond — but mined in its own naturally doubly-terminated form, one of the most structurally unique stones on earth
• Dark carbon and anthraxolite inclusions produce the same smoky, galaxy-flecked visual as salt-and-pepper diamond — the inclusion-heavy alt-bridal aesthetic held in a natural American-mined stone with real geological history
• Mined in upstate New York since the 1800s — legitimate domestic sourcing, no overseas supply chain
• Mohs 7–7.5 hardness — softer than diamond, which means it requires more careful wear than a traditional diamond engagement ring; we can substitute a harder stone on request if durability is the priority

Who It's For

• Brides drawn to the salt-and-pepper diamond aesthetic — inclusion-heavy, galaxy-patterned, alt-bridal stones
• Crystal collectors who appreciate natural Herkimer diamond specifically for its geology and double termination
• Anyone shopping for a toi et moi engagement ring that breaks from the traditional white-diamond template and invests in fine-jewelry metal
• Partners who want a hexagon engagement ring with real character over a flawless white solitaire
• Couples investing in natural stones and solid gold for a real heirloom piece without defaulting to a diamond solitaire

The Details

• Metal: Solid 14K white gold (rose gold or yellow gold on request; 18K upgrade available)
• Band width: 1.7 mm
• Setting style: Toi et moi (two-stone), four-prong baskets
• Stone 1: Natural Herkimer diamond (quartz), hexagon cut, 7.0 × 7.0 mm, ~1.0 ct, Mohs 7–7.5
• Stone 2: Natural black onyx, pear cut, 6.0 × 8.0 mm, ~1.0 ct, Mohs 6.5–7
• Available sizes: 3–10 US (half and quarter sizes available; outside this range priced on request)
• Complimentary engraving included — up to 16 characters
• Made to order — please allow 3–5 weeks for production
• Optional appraisal available at checkout