Lab-Grown Diamond Solitaire 18" Necklace

$550.00
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Made to order · Ships in 2–3 weeks

Specifications

Lifetime Warranty
Free Shipping + Free Returns
Made to Order in Brooklyn
100% Recycled Solid Gold

This necklace features lab-grown diamonds set in 100% recycled solid gold, handcrafted in a woman-owned Williamsburg, Brooklyn studio. Adjustable from 16 to 18 inches, it offers a graceful shimmer that complements every neckline. Starting from $750.00, this piece embodies both elegance and ethical artistry.

Expertly crafted with whisper-thin prongs, each lab-grown diamond is securely held in settings prepared for IGI and GIA certification. The refined chain showcases meticulous attention to detail, marrying delicate design with lasting durability.

Haejin Jewelry specializes exclusively in lab-grown diamonds, ensuring every stone is conflict-free and ethically sourced. The solid gold used is never plated or vermeil but 100% recycled, reflecting a commitment to sustainability and responsible luxury. This necklace is a testament to conscious craftsmanship from Brooklyn’s woman-owned studio.

Designed for those who seek meaningful, radiant jewelry that fits seamlessly into daily life and special occasions alike. Its adjustable length allows versatile wear, making it an intimate gift or a personal treasure.

Every piece is made to order. Once your order is placed, we'll send you a confirmation email with your estimated completion date. Most orders ship within 2 to 3 weeks — and we'll notify you immediately when yours is on its way.

  • Metal: 100% recycled solid gold
  • Diamond: lab-grown, conflict-free
  • Adjustable length: 16 to 18 inches
  • Setting: whisper-fine prongs, IGI and GIA certified ready
  • Crafted in a woman-owned Brooklyn studio

Frequently Asked Questions

All of our diamonds are 100% lab-grown. They are chemically, physically, and optically identical to mined diamonds — but more sustainable and conflict-free. Learn more about our sourcing →
Yes! Our Williamsburg, Brooklyn studio is open for appointments. You can try on styles, explore customization options, and meet with us in person. Book an appointment →
An unset ring setting — also called a mounting — is the metal portion of the ring without a center stone. It holds the diamond or gemstone but is sold separately so you can choose exactly the stone you want. At Haejin Jewelry, our ring settings are designed to be paired with a lab-grown diamond or gemstone of your choice through our online ring builder. This gives you full control over the size, shape, and quality of your center stone.
At Haejin Jewelry we proudly stand behind every piece with our Lifetime Warranty, covering manufacturing defects, prong tightening, and complimentary cleanings. We also offer returns and exchanges within 60 days of purchase (custom designs may vary). Returns are free with our prepaid shipping label, and in-store purchases can be returned at our Williamsburg studio. Read our full Refund Policy and Warranty →
Lab-grown diamonds are more affordable and sustainable than natural diamonds. They offer the same brilliance and durability, but without the environmental or ethical costs. Learn more about the economics of lab-grown vs natural diamonds →

Customer Reviews — Haejin Jewelry Williamsburg Brooklyn NYC

Haejin Jewelry is a Brooklyn jewelry studio in Williamsburg creating lab grown diamond engagement rings and fine jewelry with transparency and care. Read verified customer experiences from across Brooklyn and New York City.

5.0 ★ Average
Trusted by couples designing engagement rings in Williamsburg and NYC
Ethical & Transparent
Custom design, clear pricing, and local service

Looking for more than reviews? Explore our engagement rings, custom ring design, and ethical fine jewelry. Learn our story and why Williamsburg couples trust our lab-grown diamond expertise.

What customers say about Haejin Jewelry

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