Art Deco Uncas Monogram Onyx & Paste Signet Ring in Sterling Silver

$165.00

A charming Art Deco monogram ring dating to the 1920s–1930s. At its center is a faceted black onyx tablet, engraved with the letter “D,” framed by a scalloped halo of clear paste stones. The graphic black-and-white palette, clipped corners, and geometric shoulders are quintessential Deco details.

This ring was made by Uncas Manufacturing Co. of Providence, Rhode Island.

-Details-

Size: 8 ½ US, Q ½ UK

Dimensions: head is 12.00mm wide x 13.70mm tall, 1.50mm shank

Metal: Sterling Silver shank, the head is made from a lesser purity silver ~800

Primary Stone: Natural black onyx

Secondary Stone: Clear paste/faceted glass

Total Weight: 3.33 grams

Hallmark: Sterling Shank, <U>

Condition: This ring is in good antique condition with visible wear consistent with age. The sterling silver shank has surface wear and natural patina throughout. Clear paste stones show age-related darkening and wear but still retain a beautiful sparkle. The black onyx remains glossy and the engraved monogram is crisp. Please refer closely to photographs for condition.

A Note to Our Customers:  All of our vintage or antique pieces have been loved in a previous life. Because of this, you may notice subtle signs of wear consistent with age, a soft patina, or minor surface marks. We take great care to photograph and describe each piece as accurately as possible, and will always note anything significant. 


A charming Art Deco monogram ring dating to the 1920s–1930s. At its center is a faceted black onyx tablet, engraved with the letter “D,” framed by a scalloped halo of clear paste stones. The graphic black-and-white palette, clipped corners, and geometric shoulders are quintessential Deco details.

This ring was made by Uncas Manufacturing Co. of Providence, Rhode Island.

-Details-

Size: 8 ½ US, Q ½ UK

Dimensions: head is 12.00mm wide x 13.70mm tall, 1.50mm shank

Metal: Sterling Silver shank, the head is made from a lesser purity silver ~800

Primary Stone: Natural black onyx

Secondary Stone: Clear paste/faceted glass

Total Weight: 3.33 grams

Hallmark: Sterling Shank, <U>

Condition: This ring is in good antique condition with visible wear consistent with age. The sterling silver shank has surface wear and natural patina throughout. Clear paste stones show age-related darkening and wear but still retain a beautiful sparkle. The black onyx remains glossy and the engraved monogram is crisp. Please refer closely to photographs for condition.

A Note to Our Customers:  All of our vintage or antique pieces have been loved in a previous life. Because of this, you may notice subtle signs of wear consistent with age, a soft patina, or minor surface marks. We take great care to photograph and describe each piece as accurately as possible, and will always note anything significant.