The Gem Vault

The Gem Vault For over 40 years, The Gem Vault is New Jersey's premiere location for fine custom jewelry, colored gemstones, and diamonds.

A touch of blush, a touch of sparkle. ✨These 0.57 ct Morganite & 0.16 ct Diamond Earrings in 14K Rose Gold combine soft ...
06/05/2026

A touch of blush, a touch of sparkle. ✨

These 0.57 ct Morganite & 0.16 ct Diamond Earrings in 14K Rose Gold combine soft color with timeless elegance for a look that’s effortlessly refined.

💎 $1,000

Visit The Gem Vault to see them in person.

A gemstone this vivid doesn’t ask for attention—it commands it.✨This week’s Featured Piece showcases a stunning 2.67 ct ...
06/04/2026

A gemstone this vivid doesn’t ask for attention—it commands it.✨

This week’s Featured Piece showcases a stunning 2.67 ct Mahenge Garnet, celebrated for its rich raspberry-pink color and exceptional brilliance. Framed by 0.86 cts of sparkling diamonds and set in luxurious 14K white gold, this ring is a striking example of why Mahenge garnets have become one of the most sought-after gemstones in the world.

Visit The Gem Vault to experience its beauty in person. ⭐️

✨ Your jewelry’s next chapter starts here.Turn forgotten treasures into something extraordinary. Reimagine the gemstones...
06/02/2026

✨ Your jewelry’s next chapter starts here.

Turn forgotten treasures into something extraordinary. Reimagine the gemstones you already own, recycle unworn gold toward a new creation, and work with our talented designers to bring your vision to life.

Whether it’s a family heirloom, a sentimental gemstone, or a piece that no longer reflects your style, The Gem Vault can transform it into jewelry you’ll love for years to come.

💎 Re Imagine. Re Use. Re Cycle.

Visit us and discover how your old jewelry can become your new favorite piece.

06/02/2026

Gem of the Week ✨

A gemstone with unexpected color and extraordinary fire. This 6.85 carat Tanzanian Zircon flashes mesmerizing shades of raspberry, violet, and rose with brilliance that rivals the finest gems. Bold, vibrant, and endlessly captivating — this is the kind of stone that turns heads instantly.

Available for $1,250. A rare beauty waiting to become an unforgettable custom creation at The Gem Vault. 💜

Happy Birthday to all of our customers born in June! Come celebrate with some new jewelry ⭐️✨
06/01/2026

Happy Birthday to all of our customers born in June! Come celebrate with some new jewelry ⭐️✨

Your engagement ring should be as unique as your love story ✨At The Gem Vault, we work with you every step of the way to...
05/31/2026

Your engagement ring should be as unique as your love story ✨

At The Gem Vault, we work with you every step of the way to bring your dream ring to life — from selecting the perfect style, diamond shape, and details, to sketches and CAD previews before the final piece is created. Every custom design is thoughtfully crafted with precision, artistry, and your vision in mind.

From concept to creation, your forever ring starts here 💍

A striking blend of vivid color and elegant design ✨This 0.50 ct Tanzanite & 0.12 ct Tsavorite Garnet ring in sterling s...
05/30/2026

A striking blend of vivid color and elegant design ✨

This 0.50 ct Tanzanite & 0.12 ct Tsavorite Garnet ring in sterling silver brings together rich blue-violet tones and vibrant green brilliance in a timeless setting designed to stand out with sophistication.

$650 • Available at The Gem Vault

05/29/2026

✨ For one week only! ✨

Discover six stunning lab-grown diamonds ranging from 3–5 carats, starting at just $2,800.

Looking for the perfect center stone for a custom ring or special piece? Now is the time to find incredible size, brilliance, and value.

Available through June 5th only. Visit The Gem Vault to see them in person before they’re gone.

Soft blush tones meet timeless gold in this breathtaking 12 ct Kunzite pendant set in luminous 14K yellow gold. Elegant,...
05/29/2026

Soft blush tones meet timeless gold in this breathtaking 12 ct Kunzite pendant set in luminous 14K yellow gold. Elegant, refined, and impossible to overlook — a statement piece that captures beauty with effortless sophistication. ✨

Available at The Gem Vault.

A strand that captures the mystery and beauty of the sea. ✨ This Tahitian Ring Pearl Necklace glows with mesmerizing iri...
05/27/2026

A strand that captures the mystery and beauty of the sea. ✨

This Tahitian Ring Pearl Necklace glows with mesmerizing iridescence — flashes of peacock green, silver, violet, and deep ocean blue in every pearl. Elegant yet effortlessly bold, it’s the kind of piece that turns every outfit into a statement.

Visit The Gem Vault to experience its beauty in person or message us to make it yours.

Address

23 Turntable Junction
Flemington, NJ
08822

Opening Hours

Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 10am - 5pm

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