3" Curb Chain Extender with Lobster Clasp 1.8mm
Regular price$67.95 USD
- In stock, ship in 2-3 business days
This 14k gold safety chain feature a lobster clasp on one end,
3 inch 1.8mm curb chain.
It is simple to attach to the end of your chain and has a jump ring at the other end.
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.
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.