3C Designs

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A smooth masculine or transmasculine yellow gold band.

Side angle of a smooth masculine or transmasculine yellow gold band.

Wide European Style Comfort-fit Band Ring

From $215.00 USD

A smooth masculine or transmasculine yellow gold band.

Side angle of a smooth masculine or transmasculine yellow gold band.

Wide European Style Comfort-fit Band Ring •

From $200.00 USD

A simply prong set pendant with a diamond center stone in shiny 14k yellow gold. The prongs have a compass orientation.

Round Compass Prong-set Pendant

From $172.00 USD

A simple pendant necklace in 14k yellow gold with a lab-grown emerald. The stone is bezel-set and hangs from a small chain.

4mm Round Bezel-set Pendant

From $259.00 USD

A fixed pendant necklace in 14k yellow gold. A light green lab-grown sapphire and white diamond are bezel set.

Bezel-set Two Stone Pendant

From $276.00 USD

Three Stone Charm

A shiny 14k yellow gold trinity pendant. This pendant has three white diamonds.

Three Stone Charm

From $359.00 USD

An engagement ring with a bezel-set moissanite in shiny yellow gold. The center has a halo of diamonds around it.

An engagement ring with a bezel-set moissanite in shiny white gold. The center has a halo of diamonds around it.

1.25ct Bezel-set Halo Solitaire Engagement Ring

From $1,633.00 USD

A shiny yellow gold solitaire ring with a lab-grown green oval sapphire set in an east-west orientation.

Oval cut Green Lab-grown Sapphire set East West

An east-west basket solitaire in shiny yellow gold with a natural emerald cut green sapphire.

East West Basket Solitarie Engagement Ring with Natural Green Sapphire

A cluster engagement ring in shiny yellow gold with diamonds. The center stone is an east-west set oval.

Video showing a Seven Stone Cluster Engagement Ring style. Various rings are shown with customized center stones and shapes.

East West Cluster Lab-grown Diamond Engagement Ring

A three stone ring with pear accent stones and a marquise center stone. The ring is shiny yellow gold with white diamonds.

Marquise & Pear Three Stone Engagement Ring

A contour wedding band with a soft V shape with a shiny white metal appearance.

A contour wedding band with a soft V shape with a shiny white metal appearance.

V Contour Core Wedding Band •

From $544.00 USD

A contour wedding band with a soft V shape with a shiny white metal appearance.

A contour wedding band with a soft V shape with a shiny white metal appearance.

V Contour Core Wedding Band

From $489.00 USD

Three stone engagement ring with natural cherry red oval sapphire center stone and white pear diamond accent stones. The ring setting is shiny yellow gold.

Natural Burgundy Oval Sapphire Three Stone Ring with Pear Side Stones

Shiny silver color three stone ring with pear white diamond accent stones and a teal green natural oval sapphire center.

Shiny silver color three stone ring with pear white diamond accent stones and a teal green natural oval sapphire center.

Three-Stone Green Sapphire and Diamond Engagement Ring in Platinum

A pair of yellow gold earrings with vibrant green lab-grown emeralds.

Three Stone Post Earrings

Three Stone Post Earrings

From $428.00 USD

Grand Dome Ring

From $126.00 USD

Bezel-set Halo Solitaire Engagement Ring

Bezel-set Halo Solitaire Engagement Ring

0.80ct Bezel-set Halo Solitaire Engagement Ring

From $1,445.00 USD

Shiny yellow gold cluster ring with a round center and accent stones.

Shiny yellow gold cluster ring with a round center and accent stones.

1.30ct Round Brilliant Seven Stone Cluster Engagement Ring

From $1,718.00 USD

Seven Stone Basket Cluster Engagement Ring, 3C Designs, Cluster Ring - Aide-memoire Jewelry

Video showing a Seven Stone Cluster Engagement Ring style. Various rings are shown with customized center stones and shapes.

.84ct Round Brilliant Seven Stone Cluster Engagement Ring

From $1,449.00 USD

A shiny yellow gold solitaire with an emerald cut center stone.

Emerald Cut East-West Basket Solitaire Engagement Ring

Emerald-cut East-West Basket Solitaire Engagement Ring

From $1,353.00 USD

11x9mm Oval Signet Ring

11x9mm Oval Signet Ring

11x9mm Oval Signet Ring

From $151.00 USD

Sterling silver signet ring an oval top face.

Underside of a sterling silver signet ring an oval top face.

14x12mm Oval Signet Ring

From $248.00 USD

Slim & Skinny Classic Band Ring •

Slim & Skinny Classic Band Ring •

Slim & Skinny Classic Band Ring •

From $225.00 USD

Slim & Skinny Classic Band Ring

Slim & Skinny Classic Band Ring

Slim & Skinny Classic Band Ring

From $193.00 USD

An East-West set emerald shaped stone in a shiny yellow gold solitaire.

. 7x5mm Emerald Cut East-West Basket Solitaire Engagement Ring

$1,385.00 USD

Sterling silver signet ring. The tope face is matte.

. Silver Signet Ring 14x12mm Oval

$248.00 USD

. Sterling Silver 1.8mm Wheat Chain

. Sterling Silver 1.8mm Wheat Chain

$83.00 USD

. Sterling Silver 3.5mm Cuban Link Curb Chain

. Sterling Silver 3.5mm Cuban Link Curb Chain

$275.00 USD

. Sterling Silver 2mm Rolo Chain

. Sterling Silver 2mm Rolo Chain

$52.00 USD

. Sterling Silver 2.6mm Paperclip-Style Chain

. Sterling Silver 2.6mm Paperclip-Style Chain

$95.00 USD

. 14k White Gold 2.1mm Paperclip Chain

. 14k White Gold 2.1mm Paperclip Chain

. 14k White Gold 2.1mm Paperclip Chain

$610.00 USD

. Sterling Silver 1.5mm Cable Chain

. Sterling Silver 1.5mm Cable Chain

$36.00 USD

. 14k Rose Gold Something Blue Bracelet with 3mm Bezel-set Lab-grown Blue Diamond

. 14k Rose Gold Something Blue Bracelet with 3mm Bezel-set Lab-grown Blue Diamond

$520.00 USD

. Sterling Silver 1mm Cable Chain

. Sterling Silver 1mm Cable Chain

$23.00 USD

. 14k Yellow Gold 2.1mm Paperclip Chain

. 14k Yellow Gold 2.1mm Paperclip Chain

. 14k Yellow Gold 2.1mm Paperclip Chain

$540.00 USD

. 14k Yellow Gold 1.2mm Elongated Box Chain

. 14k Yellow Gold 1.2mm Elongated Box Chain

. 14k Yellow Gold 1.2mm Elongated Box Chain

$585.00 USD

. 14k White Gold 1mm Cable Chain

. 14k White Gold 1mm Cable Chain

. 14k White Gold 1mm Cable Chain

$260.00 USD

. Sterling Silver 2.6mm Rounded Box Chain, 24" length

. Sterling Silver 2.6mm Rounded Box Chain, 24" length

$140.00 USD

. Peach Zircon Bezel-set Pendant

. Peach Zircon Bezel-set Pendant

$620.00 USD

. Red Zircon Prong-set Pendant

. Red Zircon Prong-set Pendant

$495.00 USD

Three stone basket engagement ring in shiny yellow gold with white diamonds.

Three Stone Basket Engagement Ring

Three Stone Basket Engagement Ring

From $1,773.00 USD

. Sterling Silver Horizontal Oval Signet Ring

. Sterling Silver Horizontal Oval Signet Ring

. Sterling Silver Horizontal Oval Signet Ring

$147.00 USD

. Round Signet Ring

. Round Signet Ring

. Round Signet Ring

$95.00 USD

12x10mm Oval Signet Ring

12x10mm Oval Signet Ring

12x10mm Oval Signet Ring

From $156.00 USD

Octagon Signet Ring

Octagon Signet Ring

Octagon Signet Ring

From $169.00 USD

Rectangle Signet Ring

Rectangle Signet Ring

Rectangle Signet Ring

From $227.00 USD

Cut Corner Rectangle Signet Ring

Cut Corner Rectangle Signet Ring

Cut Corner Rectangle Signet Ring

From $254.00 USD

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technology meets tradition

We merge traditional handcraft techniques with the latest technological tools.

responsibly sourced

We work exclusively with a few trusted suppliers for recycled metals and ethically sourced stones.

Crafted in the U.S.

Depending on the design, pieces are made entirely in-house or in collaboration with skilled U.S. partners.

made with care

We stand by our work, and offer a six-month warranty against manufacturing defects.