Pair of dangling earrings with pink and clear square gemstones, gold and silver metal accents, and decorative chain details.
Ring with a large pink gemstone and two bands adorned with smaller diamonds.
Two silver rings with embedded diamonds, one with a curved band and the other with a circular setting
Gold necklace with a pink rectangular gemstone pendant surrounded by small diamonds in an ornate floral design.
Pendant with multiple blue sapphires and diamonds in gold and silver settings hanging from a chain.
Rose gold ring with a cluster of small diamonds arranged in a floral pattern at the top, and a row of diamonds along the band.
Square-shaped cufflinks with colorful, swirling, abstract patterns in a silver-colored metal setting.
Pair of multi-colored gemstone stud earrings with a cluster design
A star-shaped pendant necklace with a central orange gem, surrounded by silver rays with small colorful gemstones, and gold and rose gold accents on the rays, hanging from a gold chain.
Gold earrings with blue gemstones and small clear diamonds.
Gold ring with a large dark pearl and embedded diamonds on the band.
A necklace with a large blue druzy pendant, a pearl, and clear and blue gemstones on a black chain.
Pair of gold earrings with orange stones and embedded small diamonds.
A close-up image of a silver ring with a large, oval-shaped blue gemstone in the center, surrounded by intricate gold and silver detailing on the band.
Gold ring with diamond accents on a white background.
Heart-shaped pendant necklace with purple and clear rhinestones on a silver chain.
A strand of black pearl necklaces with a mix of round and teardrop-shaped pearls, featuring a clasp at one end.
Elegant necklace with a central rectangular gemstone surrounded by pink and clear stones, accented with gold and silver leaf-shaped details.
A silver ring with five oval blue gemstones surrounded by small clear stones on a white background.
Three colorful gemstone rings with surrounding diamonds, featuring pink, green, and blue stones.
Yellow opal gemstone pendant with green, pink, and white stones on a silver and gold design.
Gold necklace with a honeybee pendant and hexagon-shaped accents with embedded stones.
Rose gold ring with a pink oval gemstone surrounded by small diamonds in a floral design.
A wide silver band ring decorated with embedded round diamonds arranged randomly.
Silver brooch with an ornate filigree design and a central round blue gemstone.
Gold drop-shaped earrings with pink gemstones and small surrounding diamonds

Welcome.

Located in historic Flemington, New Jersey, The Gem Vault is a family-owned custom jewelry studio. For decades, we have specialized in creating hand-made custom jewelry, as well as sourcing collector’s quality rare colored gemstones and diamonds. The Gem Vault is the Tri-state area’s premier custom jewelry studio, offering custom design services from our award-winning designers and expert craftsmanship from our master goldsmiths. Our team will provide you with the finest colored gemstones, diamonds, jewelry, and over 125+ collective years of expertise to bring your jewelry dreams to life!

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Voted Hunterdon County’s Best Jeweler

Huntington List Winning Hunterdon County's Best 2021 award badge.
Happening HLIST WINNER THE REGION'S BEST 2022 award badge
Happening List Hunterdon winner badge for Hunterdon County's best in 2024.
Happening Hunterdon List Winner, Hunterdon County's Best 2023
A graphic announcing the winner of the 2025 HAPPENING LIST by Hunterdon County, with the word WINNER in large white letters on a green background, and a laurel wreath surrounding the year 2025.

The Gem Vault is so very excited to announce that we have won the Hunterdon Happening 2021, 2022, 2023 & 2024 Best Jeweler Award! Thank you to all of our wonderful, loyal customers for voting. It is such an honor to be recognized in the community that we are grateful to serve.

The Gem Vault takes pride in our design and craftsmanship of every piece of jewelry that we create and share with you.