Custom Fine Jewelry Gallery

Every custom piece begins with an exceptional natural gemstone or diamond. Everything else is designed around it.

Colored Gemstone Engagement Rings

For those who want something truly distinctive, our custom engagement rings feature exceptional natural sapphires, spinels, tourmalines, zircon, chrysoberyl, aquamarine, and other rare gemstones sourced from around the world. Every design begins with the gemstone, creating a ring as unique as the love it represents.

Custom platinum ring featuring a 4.67 ct emerald-cut tanzanite, matched no-heat kite-shaped lagoon tourmalines, and a natural diamond pavé halo.
Front view of a custom platinum ring featuring a 4.67 ct emerald-cut tanzanite, matched no-heat kite-shaped lagoon tourmalines, and a natural diamond pavé halo.
Side view of a custom platinum ring featuring a 4.67 ct emerald-cut tanzanite, matched no-heat kite-shaped lagoon tourmalines, and a natural diamond pavé halo.

Tanzanite, Tourmaline & Diamond Ring

Features: 4.67ct emerald cut, fancy tanzanite, paired with 2.26tcw, matched set of kite-shaped, no-heat, lagoon tourmalines; set in platinum, with a pavé halo.

Custom platinum engagement ring featuring a 2.46 ct Asscher-cut aquamarine with natural diamond accents.
Front view of a custom platinum engagement ring featuring a 2.46 ct Asscher-cut aquamarine with natural diamond accents.
Side view of a custom platinum engagement ring featuring a 2.46 ct Asscher-cut aquamarine with natural diamond accents.

2.46ct Aquamarine & Diamond Platinum Engagement Ring

Features: 2.46ct asher cut, aquamarine from Mozambique, set in a handmade, diamond pavé, platinum, knife-edge with VS1-2, F-G diamonds on the band.

Natural Diamond Engagement Rings

Every custom engagement ring begins with an exceptional natural diamond selected for its beauty, character, and individuality. Designed around the stone and engineered to be worn for a lifetime.

Front view of a custom platinum engagement ring featuring a princess-cut natural diamond with tapered natural diamond accents and orange sapphire details.
Custom platinum engagement ring featuring a princess-cut natural diamond with tapered natural diamond accents and orange sapphire details.
Three-quarter view of a custom platinum engagement ring featuring a princess-cut natural diamond with tapered natural diamond accents and orange sapphire details.

Princess Cut Diamond Engagement Ring

Features: Over 2cts of a stunning princess-cut diamond set along the top; with a taper of brilliant white diamonds on the front and back. The design is enhanced by two orange sapphires.

Custom platinum engagement ring featuring a 1.00 ct pear-shaped natural diamond with pear, marquise, and round natural diamond accents.
Front view of a custom platinum engagement ring featuring a 1.00 ct pear-shaped natural diamond with pear, marquise, and round natural diamond accents.
Top view of a custom platinum engagement ring featuring a 1.00 ct pear-shaped natural diamond with pear, marquise, and round natural diamond accents.

Deco Style Engagement Ring

Features: A 1.00ct pear shaped natural white diamond, set in a handmade mount. Accented with pear, round and marquise diamonds surrounding the center stone and the wedding band.

Side view of a custom platinum engagement ring featuring a 1.00 ct round brilliant natural diamond with pavé natural diamond accents.
Front view of a custom platinum engagement ring featuring a 1.00 ct round brilliant natural diamond with pavé natural diamond accents.
Profile view of a custom platinum engagement ring featuring a 1.00 ct round brilliant natural diamond with pavé natural diamond accents.

Diamond & Platinum Engagement Ring

Features: a stunning 1.0ct round brilliant-cut natural diamond, this handcrafted platinum ring features a classic prong setting. The band is adorned with 2mm diamonds, adding a touch of timeless sparkle to this elegant design.

Heirloom Redesign

Some of the most meaningful jewelry begins with a family heirloom. We carefully transform inherited diamonds and gemstones into custom jewelry that preserves their history while creating something designed to be worn and treasured for generations to come.

Front view of a custom platinum engagement ring featuring a 1.39 ct Old European cut natural diamond with pavé single-cut natural diamond accents.
Custom platinum engagement ring featuring a 1.39 ct Old European cut natural diamond with pavé single-cut natural diamond accents.
Custom platinum engagement ring featuring a 1.39 ct Old European cut natural diamond with pavé single-cut natural diamond accents.
Profile view of a custom platinum engagement ring featuring a 1.39 ct Old European cut natural diamond with pavé single-cut natural diamond accents.

Old European Cut Diamond Engagement Ring

Features: 1.39ct old European cut white natural diamond, set in a handmade, four-prong mount, with pavéd single-cut diamonds, in platinum.

Custom platinum engagement ring featuring a 1.35 ct Old European cut natural diamond with pavé natural diamonds and blue sapphire accents.
Custom platinum engagement ring featuring a 1.35 ct Old European cut natural diamond with pavé natural diamonds and blue sapphire accents.
Front view of a custom platinum engagement ring featuring a 1.35 ct Old European cut natural diamond with pavé natural diamonds and blue sapphire accents.
Side view of a custom platinum engagement ring featuring a 1.35 ct Old European cut natural diamond with pavé natural diamonds and blue sapphire accents.

Old European Cut Diamond Engagement Ring with a Modern Twist

Features: 1.35ct old European cut white natural diamond, set in a handmade, four-prong mount, with pavéd white diamonds and blue sapphires, in platinum.

One-of-a-Kind Fine Jewelry

From statement rings and pendants to earrings and bracelets, every custom piece is designed around exceptional natural gemstones and handcrafted with meticulous attention to proportion, craftsmanship, and detail.

Side view of a custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.
Side view of a custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.
Three-quarter view of a custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.
Three-quarter view of a custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.
Custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.
Custom 14k white gold ring featuring a 4.17 ct red tourmaline with natural white diamonds and Argyle pink diamond accents.

Tourmaline, White, and Pink Diamond Ring

Features: A 4.17ct red tourmaline set in 14k white gold with a custom black patina. One side of the band tapers with white diamonds, while the other side has a sprinkle of Argyle pink diamonds.

Front view of custom 18k yellow gold bezel-set stud earrings featuring 4.44 tcw no-heat lagoon tourmalines from Brazil.
Side view of custom 18k yellow gold bezel-set martini stud earrings featuring 4.44 tcw no-heat lagoon tourmalines from Brazil.

Lagoon Tourmalines Earrings

Features: 4.44tcw ascher cut, natural no-heat, blueish green tourmaline From Brazil, bezel Set in a handmade 18kt yellow gold martini style.

Front view of a custom 18k yellow gold station necklace featuring a 5.01 ct golden zircon with bezel-set natural diamond stations.
Angled view of a custom 18k yellow gold station necklace featuring a 5.01 ct golden zircon with bezel-set natural diamond stations.

Yellow Zircon & Diamond Station Necklace in Yellow Gold

Features: 5.01ct Golden zircon set in 18kt yellow gold necklace, featuring four bezels set white natural diamonds

Front view of a custom 14k rose gold station necklace featuring a 2.28 ct Umbalite garnet with bezel-set natural diamond stations.
Front view of a custom 14k rose gold station necklace featuring a 2.28 ct Umbalite garnet with bezel-set natural diamond stations.
Close-up of a custom 14k rose gold station necklace featuring a 2.28 ct Umbalite garnet with bezel-set natural diamond stations.
Close-up of a custom 14k rose gold station necklace featuring a 2.28 ct Umbalite garnet with bezel-set natural diamond stations.

Umbalite Garnet & Diamond Station Necklace in Rose Gold

Features: 2.28ct Umbalite garnet, set in 14kt rose gold necklace, featuring six bezels each set with white natural diamonds

Custom Inquiries
Custom Inquiries
Client Reviews

Note: All GemologyGeek® Custom Designs are sold*

*Customs are only shown after confirmation of the event at which the piece is given, this way no surprises are ruined.

All stones are sourced by GemologyGeek® LLC. All designs are owned under the GemologyGeek® trademark.

Custom natural diamond engagement rings by GemologyGeek® displayed on a branded jewelry presentation box.