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.

09/10/2026

Did someone say there’s a sale? 👀

Consider this your sign… 25% OFF ALL JEWELRY! ✨💎

Discover one of a kind jewelry pieces at 25% off when shopping online or in-store until September 12th.

✨Featured Piece of the Week✨In honor of the September birthstone, this pendant is unexpected with multicolored sapphire ...
09/09/2026

✨Featured Piece of the Week✨

In honor of the September birthstone, this pendant is unexpected with multicolored sapphire gemstones 💎

This unique 0.74 cts Blue Sapphire, 1.17 cts Yellow Sapphire, 1.07 cts Pink Sapphire, & 0.34 cts Diamond pendant is one to remember.

The rich and saturated colors look striking against the sparkling diamonds.

This pendant is a one of a kind jewelry piece that goes beyond the classic blue of sapphire, while elegantly arranged to make each gemstone to stand out. This is the perfect piece to enhance your jewelry collection.

💙 0.74 cts Blue Sapphire
💛 1.17 cts Yellow Sapphire
🩷 1.07 cts Pink Sapphire
💎 0.34 cts Diamond
✨ 14k White Gold
💲 $5,650

If you’re looking for a pendant that will sparkle, don’t miss the chance to add this piece to your collection because when a one of a kind piece is sold, it’s gone for good!

09/08/2026

💛 Gem of the week 💛

This week’s gem is a 3.18 cts Fine Golden Beryl.

This radiant gemstone shines bright in the sunlight ☀️

Golden Beryl is mainly found in Brazil, Madagascar, Namibia, Nigeria, and Sri Lanka.

✨ 3.18 cts
💲$345.00

Visit us at The Gem Vault or send us a message to learn more about this brilliant gemstone before it’s gone!

09/07/2026

This Labor Day, we’re celebrating the hands, creativity, and craftsmanship behind every piece 💎

From selecting each gemstone to designing, setting, polishing, and putting on the finishing touches, so much care goes into creating jewelry that will be treasured for years to come ♥️

We’re grateful for our talented team—and every customer who allows us to do what we love.

Happy Labor Day 🇺🇸
from The Gem Vault!

Fall is almost here and we’re ready for richer colors, warmer tones, and plenty of sparkle 🍂✨Who else is ready for fall ...
09/05/2026

Fall is almost here and we’re ready for richer colors, warmer tones, and plenty of sparkle 🍂✨

Who else is ready for fall fashion and jewelry?

Remember to shop online to receive 25% OFF all jewelry

Update: bee brooch ( #3) has been sold

09/04/2026

Sparkle in style ✨

We love the way the ring sparkles in the light 😍

This is a 2.96 ct vintage Spessartite Garnet and 0.95 ct Diamond ring 💍

Sapphires are known for their incredible beauty, exceptional durability, and timeless appeal. We hope you enjoyed learni...
09/03/2026

Sapphires are known for their incredible beauty, exceptional durability, and timeless appeal.

We hope you enjoyed learning more about one of the world’s most treasured gemstones. Whether you’re searching for the perfect engagement ring, celebrating a milestone, or simply add something extraordinary to your collection, a sapphire is a piece you’ll cherish for a lifetime.

Visit The Gem Vault to explore our collection of natural sapphires and discover the one that’s waiting for you 💙

✨Featured Piece of the Week✨Sparkling in style with this vintage ring.This rare 2.96 cts Spessartite Garnet and 0.95 cts...
09/02/2026

✨Featured Piece of the Week✨

Sparkling in style with this vintage ring.

This rare 2.96 cts Spessartite Garnet and 0.95 cts vintage ring is perfect to make a bold fashion statement.

This ring has an elegant tear shape and intricate detail around the band that compliments the fiery Spessartite Garnet.

If you enjoyed learning about Spessartite Garnet yesterday, this vintage ring is a great example of how Spessartite Garnet jewelry can be a wonderful addition to your jewelry collection during the upcoming fall season.

🧡 2.96 cts Spessartite Garnet
💎 0.95 cts Diamond
✨ 14k Yellow Gold
💲 5,200

If you’re looking for a ring that’s as unique as this one, don’t miss the chance to add this piece to your collection.

This ring is a one of a kind piece so once it’s sold, it is gone for good.

09/01/2026

🧡 Gem of the week 🧡

This week’s gem is a 3.13 cts Fine Spessartite Garnet.

This gemstone is bold yet captivating ✨

This fiery orange gemstone is named after the Spessart region in Bavaria, Germany.

✨ 3.13 cts
💲 $2,400

Visit us at The Gem Vault or send us a message to learn more about this colorful gemstone before it’s gone!

08/31/2026

SURPRISE 🤎

If you were wondering what the mystery gemstone was…it’s sunstone! ☀️✨

Here is a quick explanation on how we turn sunstone into a beautiful gemstone! 💎

We appreciate how much you guys love learning about gemstones and we love educating everyone! 🫶🏼

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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