Nocturne
A 17.1 × 7.8 mm natural moonstone and a 0.50-carat D-color VS1 round-brilliant lab diamond, set opposite each other on a 4 mm 10k yellow gold anchor chain — the toi et moi format extended from finger to neck. Moonstone reads silver, cloudy, and shifting; diamond reads colorless, clean, and lit. Two entirely different ways of holding light, held together at 17 inches.
The Object
- Name: Nocturne
- Silhouette: Two-stone toi et moi necklace on anchor chain
- Edition: One of one
- Collection: Diptych
The Stones
- Type: 1 natural moonstone and 1 lab-grown diamond
- Stone 1: Natural moonstone, elongated cabochon, 17.1 × 7.8 mm, set in 8-claw prongs in 10k yellow gold — uncertified
- Stone 2: 0.50 ct round brilliant lab-grown diamond, D color (colorless — the top grade on the GIA color scale), VS1 clarity (very slightly included; inclusions difficult to see under 10× magnification), IGI certified, report number LG741547713
- Pairing significance: The moonstone and the D-color diamond sit at opposite ends of how a stone can carry light — one diffuses it through adularescence, the other refracts it through cut. Set opposite each other on the chain, the pair reads as a diptych rather than a solitaire with a supporting stone.
The Metal
- Metal: Solid yellow gold throughout
- Gold content: 10k (41.7% pure gold, 417 stamp)
- Chain: 4 mm 10k yellow gold anchor chain
- Clasp: 10k yellow gold lobster clasp
- Setting: 8-claw prong for the moonstone; four-prong for the diamond
- Finish: High polish
10-karat gold is the strongest everyday gold alloy — more scratch- and dent-resistant than 14k or 18k, with a warmer, quieter tone. We chose it deliberately, for jewelry that’s meant to be worn, not stored.
Measurements
- Chain length: 17″
- Chain width: 4 mm
- Chain style: Anchor
- Clasp: Lobster, 10k yellow gold
- Moonstone dimensions: 17.1 × 7.8 mm
- Diamond weight: 0.50 ct, round brilliant
Provenance & Certification
- Stone sourcing: Natural moonstone selected in person; lab-grown diamond sourced with IGI certification.
- Certification: Center 0.50 ct D VS1 lab diamond IGI certified, report number LG741547713. Original certification ships with your order. The moonstone is uncertified; it was personally evaluated by Catherine Peck and selected for how it reads against this specific diamond. Certification for the moonstone is available on request.
- Metal: Recycled 10k yellow gold — chain, prongs, and clasp
Read more on our approach to stones and certification → On Stones
Production & Delivery
This necklace has already been made. It exists as a single object. Once it finds its wearer, it cannot be remade.
Delivery: Fully insured shipping via UPS or USPS, calculated at checkout by package weight. Signature required on delivery. Complimentary on US orders over $500 and international orders over $1,000.
