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One of a Kind Engagement Rings

Rings with one of a kind stones or styles that are only made once

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Anchor Ring - Vintage White Diamonds-MM Fine Rings-Marisa Mason Jewelry-Marisa Mason

Anchor Ring - Vintage White Diamonds-MM Fine Rings-Marisa Mason Jewelry-Marisa Mason

Anchor Ring - One of a Kind

Regular price $8,100.00

A beautiful one of a kind rose cut brown diamond, set in a simple oval bezel on a thin lightly textured square band

A beautiful one of a kind rose cut brown diamond, set in a simple oval bezel on a thin lightly textured square band

Brown Sugar Solitaire Diamond - One of a Kind

Regular price $3,100.00

A round 14k signet ring with a hand carved eye at the center, and 6 bead set diamonds set above, below and on either side of the eye

A round 14k signet ring with a hand carved eye at the center, and 6 bead set diamonds set above, below and on either side of the eye

Compass Protective Eye Signet - One of a Kind

Regular price $1,675.00

A close-up of a delicate gold ring with small antique Mine Cut diamonds, set against a soft white fabric background by Marisa Mason Jewelry's Cora Classic - Antique Diamonds.

A close-up of a delicate gold ring with small antique Mine Cut diamonds, set against a soft white fabric background by Marisa Mason Jewelry's Cora Classic - Antique Diamonds.

Cora Classic Antique Diamonds - One of a Kind

Regular price $2,150.00

Beautifully bezel set in a dome

Beautifully bezel set in a dome

Dia Solitaire - One of a Kind

Regular price $5,995.00

Dia Solitaire Champagne Diamond - One of a Kind

Regular price $4,500.00

Diamond Detailed Ring-MM Fine Rings-Marisa Mason

Diamond Detailed Ring-MM Fine Rings-Marisa Mason

Diamond Detailed Ring - One of a Kind

Regular price $5,100.00

Roman leaf designs adorn either side of this stunning vintage rose cut gray diamond

Roman leaf designs adorn either side of this stunning vintage rose cut gray diamond

Greco Solitaire - One of a Kind

Regular price $3,695.00

Tick domed solid gold ring with oval salt and pepper rose cut diamond in the center

Tick domed solid gold ring with oval salt and pepper rose cut diamond in the center

Helena Brown Sugar Diamond Ring - One of a Kind

Regular price $3,600.00 Sold Out

The bright white vintage Marquise diamond is bezel set along the edge of the ring, and set in 18KY gold

The bright white vintage Marquise diamond is bezel set along the edge of the ring, and set in 18KY gold

Marquise Diamond Balance Ring - One of a Kind

Regular price $2,695.00 Sold Out

18K gold organic band with textured waves, featuring a unique hexagonal light seafoam-green Montana Sapphire

18K gold organic band with textured waves, featuring a unique hexagonal light seafoam-green Montana Sapphire

Montana Sapphire Hexagon Band - One of a Kind

Regular price $2,750.00

Large white diamond set in a wide bezel setting on a wide band - Roma Solitaire One of a Kind-MM Fine Rings-Marisa Mason Jewelry-Marisa Mason

Large white diamond set in a wide bezel setting on a wide band - Roma Solitaire One of a Kind-MM Fine Rings-Marisa Mason Jewelry-Marisa Mason

Roma Solitaire - One of a Kind

Regular price $10,900.00

Story Bezel Ring-MM Fine Rings-Marisa Mason

Story Bezel Ring-MM Fine Rings-Marisa Mason

Story Bezel Ring - One of a Kind

Regular price $5,500.00

Trillion Cut Solitaire - White Diamond-MM Fine Rings-Marisa Mason

Trillion Cut Solitaire - White Diamond-MM Fine Rings-Marisa Mason

Trillion Bezel Solitaire White Diamond - One of a Kind

Regular price $2,650.00

Rich 18k yellow gold holding 3 brilliantly gleaming Old European Cut White Diamonds

Rich 18k yellow gold holding 3 brilliantly gleaming Old European Cut White Diamonds

Trio Ring #4

Regular price $4,800.00

rose cut diamond ring in gold on white linen backdrop

rose cut diamond ring in gold on white linen backdrop

Vintage Rose-cut Diamond Dome Ring

Regular price $3,200.00