Round Bezel Protektor Locking Stud Earring Mountings 4mm - 6.5mm
- In stock, ship in 1-3 business days
- Inventory on the way
Frequently Purchased Together
This positive locking clutch grips the double-notched post securely and has a dual tab release for easy on and off.
Pair of round bezel stud earrings mounting setting are cast in metal mold for finer finish with Protektor safety post and locking back. 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 settings only, stone sold separately,
- Protektor backs included. 18K white gold setting come with 18K palladium white backing, color may vary.
- Primary stone shape: Round faceted,
- Available Stone Size (Each):
- 4.1mm :: 1/4 CT,
- 4.4mm :: 1/3 CT,
- 4.8mm :: 3/8 CT,
- 5.2mm :: 1/2 CT,
- 5.6mm :: 5/8 CT,
- 5.8mm :: 3/4 CT,
- 6mm :: 3/4 CT,
- 6.5mm :: 1 CT,
- 7.5mm :: 1 5/8 CT,
- 8mm :: 2CT.
- Made in USA.
- Digital Product, instant download.
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In stock items, your order should be shipped within 2-3 business days after order verification and credit approval.
- For non-stock items, it will be made to order for you, the processing time we need to prepare an order for shipping varies.
- Special orders and customized orders, they are dependent on the complexity of the item and will provide an estimated delivery schedule after order verification and credit approval. We will send you an expected shipping time by a follow-up email.
If anything goes beyond expectations, we will send you the expected shipping time via a follow-up email.
Please contact us if you need something expedited or with any questions regarding to shipping .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 | ![]() |
---|---|---|---|---|---|
Size | Weight | Size | Weight | Size | Weight |
1.6 mm | .02 carat | 3.5 mm | .25 carat | 5 x 3 mm | .25 carat |
2 mm | .03 carat | 4 mm | .40 carat | 6 x 4 mm | .5 carat |
2.5 mm | .06 carat | 4.5 mm | .50 carat | 7 x 5 mm | 1.0 carat |
3 mm | .10 carat | 5 mm | .75 carat | 8 x 6 mm | 1.5 carat |
3.5 mm | .16 carat | 5.5 mm | 1.0 carat | 9 x 7 mm | 2.5 carat |
4 mm | .25 carat | 6 mm | 1.3 carat | 10 x 8 mm | 3.0 carat |
4.5 mm | .33 carat | 6.5 mm | 1.5 carat | 11 x 9 mm | 4.0 carat |
5 mm | .50 carat | 7 mm | 2.05 carat | 12 x 10 mm | 5.0 carat |
5.5 mm | .65 carat | 8 mm | 2.9 carat | 14 x 10 mm | 6.0 carat |
6 mm | .75 carat | 9 mm | 4.4 carat | 14 x 12 mm | 8.0 carat |
6.5 mm | 1.0 carat | 9.5 mm | 5.0 carat | 16 x 12 mm | 10.5 carat |
7 mm | 1.25 carat | 10 mm | 6.0 carat | 18 x 13 mm | 14.2 carat |
8 mm | 2.0 carat | 11 mm | 8.0 carat | ||
9 mm | 2.75 carat | 12 mm | 10.35 carat | ||
10 mm | 3.5 carat | 13 mm | 13.2 carat | ||
11 mm | 4.6 carat | 14 mm | 16.5 carat | ||
12 mm | 6.0 carat | 15 mm | 20.25 carat | ||
13 mm | 7.75 carat | 16 mm | 24.6 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.