Round 3-Prong Cocktail Style Baby Earring Mounting 2.5mm - 4.5mm
Pair of round 3 prong claw threaded post stud earrings mounting, setting are cast in metal mold for finer finish. These high-quality semi-polished settings are intended for faceted stones and require the proper tools and skills to set and finish.
- Pair of Semi-Polished setting only,
- Threaded backs and stone sold separately.
-
Post size: 0.03"x.0325" Threaded Earring Post, Shop Threaded Ear Backs.
- Stone Shape: Round,
- Available Stone size (Each): 2.5mm - 4.5mm,
- 2.5 mm :: 0.06 Ct,
- 3 mm :: 1/10 Ct,
- 3.5 mm :: 1/6 Ct,
- 4 mm :: 1/4 Ct,
- 4.5 mm :: 1/3 Ct.
- Made in USA.
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 |
 |
Ovals |  |
|---|---|---|---|---|---|
| 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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