8.5mm Lobster Clasp with Ring
Regular price$44.95 USD
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High quality findings and components manufactured for use by industry jewelry professionals and hobbyists.
- 8.5x3.25 mm lobster clasp with ring.
- Hole inside diameter 1.4mm.
- Sterling Silver is pack of 12 pieces; 14K and 18K gold is pack of single piece.
- Approx. Weight:
- 14K Gold- 0.21 DWT (0.34 grams),
- 18K Gold- 0.25 DWT (0.39 grams),
- Sterling Silver- 2.08 DWT (3.24 grams).
All photos are zoomed in to show details. Please rely on the description and size given at the time of purchase and let us know if you need further assistance.
Standard Stone Size and Carat Weight Chart
Since the varying densities of different stone materials and also the varying depths of different cutting styles can result in a significantly different, even between stones with a similar carat weight.
Estimating Weights for Standard Faceted Cut Gemstones
Rounds | ![]() |
Squares / Pricess |
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Ovals | ![]() |
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Size | Weight | Size | Weight | Size | Weight |
1.6 mm | .02 carat | 5 mm | .75 carat | 5 x 3 mm | .25 carat |
2 mm | .03 carat | 6 mm | 1.3 carat | 6 x 4 mm | .5 carat |
2.5 mm | .06 carat | 7 mm | 2.05 carat | 7 x 5 mm | 1.0 carat |
3 mm | .10 carat | 8 mm | 2.9 carat | 8 x 6 mm | 1.5 carat |
3.5 mm | .16 carat | 9 mm | 4.4 carat | 9 x 7 mm | 2.5 carat |
4 mm | .25 carat | 10 mm | 6.0 carat | 10 x 8 mm | 3.0 carat |
4.5 mm | .33 carat | 11 mm | 8.0 carat | 11 x 9 mm | 4.0 carat |
5 mm | .50 carat | 12 mm | 10.35 carat | 12 x 10 mm | 5.0 carat |
5.5 mm | .65 carat | 13 mm | 13.2 carat | 14 x 10 mm | 6.0 carat |
6 mm | .75 carat | 14 mm | 16.5 carat | 14 x 12 mm | 8.0 carat |
6.5 mm | 1.0 carat | 15 mm | 20.25 carat | 16 x 12 mm | 10.5 carat |
7 mm | 1.25 carat | 16 mm | 24.6 carat | 18 x 13 mm | 14.2 carat |
8 mm | 2.0 carat | ||||
9 mm | 2.75 carat | ||||
10 mm | 3.5 carat | ||||
11 mm | 4.6 carat | ||||
12 mm | 6.0 carat | ||||
13 mm | 7.75 carat | ||||
14 mm | 9.65 carat | ||||
15 mm | 11.85 carat | ||||
16 mm | 16 carat | ||||
17 mm | 17.25 carat | ||||
18 mm | 20.5 carat | ||||
19 mm | 24.0 carat | ||||
20 mm | 28.0 carat | ||||
21 mm | 34.8 carat | ||||
22 mm | 41.8 carat | ||||
23 mm | 49.8 carat | ||||
24 mm | 57.9 carat | ||||
25 mm | 68.7 carat |
Emerald | ![]() |
Pear | ![]() |
Marquis | ![]() |
---|---|---|---|---|---|
6 x 4 mm | .5 carat | 6 x 5 mm | .7 carat | 4 x 2 mm | .10 carat |
7 x 5 mm | 1.0 carat | 7 x 5 mm | .75 carat | 5 x 2.5 mm | .25 carat |
8 x 6 mm | 1.5 carat | 8 x 5 mm | 1.0 carat | 6 x 3 mm | .30 carat |
9 x 7 mm | 2.5 carat | 9 x 6 mm | 1.5 carat | 8 x 4 mm | .75 carat |
10 x 8 mm | 3.0 carat | 10 x 7 mm | 2.0 carat | 10 x 5 mm | 1.0 carat |
11 x 9 mm | 4.0 carat | 11 x 7 mm | 2.25 carat | 12 x 6 mm | 2.0 carat |
12 x 10 mm | 5.0 carat | 12 x 8 mm | 3.0 carat | 14 x 7 mm | 3.0 carat |
14 x 10 mm | 6.0 carat | 13 x 9 mm | 3.5 carat | 16 x 8 mm | 4.0 carat |
14 x 12 mm | 8.0 carat | 15 x 10 mm | 5.5 carat | 18 x 9 mm | 6.0 carat |
16 x 12 mm | 10.5 carat | 16 x 12 mm | 8.6 carat | 20 x 10 mm | 8.5 carat |
18 x 13 mm | 14.2 carat | 18 x 13 mm | 12 carat | ||
20 x 15 mm | 20.3 carat | 20 x 15 mm | 17.3 carat | ||
25 x 18 mm | 52.2 carat | 22 x 15 mm | 18.7 carat | ||
25 x 18 mm | 30.6 carat | ||||
30 x 22 mm | 54.5 carat |
🔰🔰 Mass-produced jewelry settings come in standard gem sizes. If a gem won’t fit in a standard setting, you should have a setting custom made.
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