3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm
3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm

3-Prog Claw Round Martini Cocktail Stud Earring Mounting 3mm -8.5mm

Regular price$48.95 USD
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Metal Quality
Primary Stone Size
  • In stock, ship in 1-3 business days
  • Inventory on the way

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Round 3 prong pre-notched claw martini cocktail stud earring setting are cast in metal molds for a finer finish. These high-quality semi-polished settings are intended for faceted stones. A pre-notched claw setting means that the notch that the girdle of the stone rests in has already been made and require the proper tools and skills to set and finish.

  • Pair of semi-polished setting only,
  • Earring backs and stone sold separately.
  • 0.030"x 0.370" Standard Friction Post. Shop friction backs
  • Primary stone shape: Round faceted,
  • Available stone size (Each): 3mm to 8.5mm
    • 3 mm :: 1/10 CT,
    • 3.5 mm :: 1/6 Ct,
    • 4 mm :: 1/4 Ct,
    • 4.5 mm :: 1/3 Ct,
    • 5 mm :: 1/2 Ct,
    • 5.5 mm :: 5/8 Ct,
    • 6 mm :: 3/4 Ct,
    • 6.5 mm :: 1 Ct,
    • 7 mm :: 1 1/4 Ct,
    • 7.4 mm :: 1 1/2 Ct,
    • 7.8 mm :: 1 3/4 Ct,
    • 8.2 mm :: 2 1/8 Ct,
    • 8.5 mm :: 2 1/3 Ct
  • Made in USA.

Need Custom Your Earring Post? Get a Quote

All photos are zoomed in to show details. Please choose according to the description and size at the time of purchase and let us know if you need further assistance.

Shipping times are from the date of shipment, which means they are leaving our facility.
  • 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. Unless otherwise specificity and notification, generally for gold mountings usually takes 3-5 working days, platinum and silver mountings takes 7-14 working days. For ring mountings and finished jewelry takes 10-20 working days.
  • If anything goes beyond expectations, we will send you the expected shipping time via a follow-up email.
  • Special orders and customized orders, they are dependant 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.
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
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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