Tiffany 1837®
Makers Black Onyx Signet Ring in 18k Gold

Description & Details

Designed with black onyx, a unique variety of quartz found in nature, this modern design turns heads with a smooth finish and high polish. Crafted with a makers symbol inspired by the renowned Tiffany hollowware shop, the Tiffany 1837® Makers collection honors Tiffany's legacy of expert craftsmanship through a modern lens. This bold ring works just as well styled with a casual tee as it does with a button-down shirt.

Designed with black onyx, a unique variety of quartz found in nature, this modern design turns heads with a smooth finish and high polish. Crafted with a makers symbol inspired by the renowned Tiffany hollowware shop, the Tiffany 1837® Makers collection honors Tiffany's legacy of expert craftsmanship through a modern lens. This bold ring works just as well styled with a casual tee as it does with a button-down shirt.

  • 18k gold with black onyx
  • 12 mm wide
  • 18k gold with black onyx
  • 12 mm wide

18Y MKRS BLK ONX SGNTRG 6

18K MAKERS BLK ONYX SIGNET RING 6

Tiffany 1837® Makers black onyx signet ring in 18k gold, 12 mm wide.

Size Guide

US Size
Inside circumference (mm)
2
41.7
3
42.9
3.5
45.5
4
46.8
4.5
48.0
5
49.3
5.5
50.6
6
51.9
6.5
53.1
7
54.4
7.5
55.7
8
57.0
8.5
58.3
9
59.5
9.5
60.8
10
62.1
10.5
63.4
11
64.6
11.5
65.9
12
67.2
12.5
68.5
13
69.7

Find your fit

Tiffany & Co. uses standard US rings sizes. Refer to our measurement chart or the ruler found in our size guide.

View & download complete guide
Model displaying ring sizes
Bracelets
Wrist measurements
Extra Small
4.76-5.25 in. 121-133 mm
Small
5.26-5.75 in. 134-146 mm
Medium
5.76-6.25 in. 146-159 mm
Large
6.26-6.75 in. 159-171 mm
Extra Large
6.76-7.25 in. 172-184 mm

Find your fit

Refer to our measurement chart or use the ruler found in our size guide to find the size that suits you.

View & download complete guide
Model displaying bracelet sizes
Length (in)
Length (cm)
16
40.50
18
45.75
20
50.75
24
61.00
30
76.25
36
91.50

Find your fit

Necklaces vary by length and can be chosen to reflect personal preference or style.

Model displaying necklace sizes
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For more than two decades, we have made dedicated efforts to responsibly source the precious materials we use in our jewelry.

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