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14K White 1/2 CTW Lab-Grown Diamond 18" Necklace

Lab-Grown Diamond 18" Necklace

$750.00
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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 is crafted in 18K white gold in Williamsburg, Brooklyn. It features a lab-grown alexandrite solitaire set on a 16" chain. Starting from $700.00, it offers modern elegance with a minimalist design.

Constructed from 100% recycled solid 18K white gold, this piece highlights clean lines and a subtle polished finish. The solitaire is secured by whisper-fine prongs designed for maximum light and durability. Each setting is IGI and GIA certified ready.

Haejin Jewelry is a woman-owned Brooklyn studio specializing exclusively in lab-grown stones, never mined. This necklace’s alexandrite is conflict-free and ethically sourced, reflecting a commitment to sustainability and responsible luxury. The solid gold is never plated or vermeil.

Designed for those who appreciate refined simplicity, this necklace suits every day and special moments alike. Its lightweight form and secure clasp ensure comfortable all-day wear. Made for someone who values both quality and ethical craftsmanship.

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: 18K recycled solid white gold
  • Stone: lab-grown alexandrite solitaire
  • Chain length: 16 inches
  • Setting: four-prong solitaire
  • Certification: IGI and GIA ready settings
  • Made to order in Brooklyn, NYC

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.

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What customers say about Haejin Jewelry

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