What does Diag mean on jewelry?

What does Diag mean on jewelry?

The notation “diag(v)” means to make a matrix whose diagonal is the vector v, with zeros off the diagonal.

What does the stamp inside my ring mean?

The most common marks or trademark stamps are used to identify things like: Metals, carat weights, manufacturer, tradeMarks, jeweler, or designer. If you look inside the shank of your ring (the band on the bottom or side), you’ll usually see the karat stamp. More than likely it will be shown as 10k, 14k, 18k or Plat.

What does a circled C mean on jewelry?

The circled c can mean several things depending on the age of this particular ring. If it’s from the 1950s and up, the circled c most likely indicates that it’s a copyrighted item. If it’s even older than that, it could be the trademark of the producer.

How do I find out what my ring is worth?

If you want a solid answer to the question “how much is my ring worth,” your best option is to get it appraised. A qualified professional has the proper skills and education to evaluate the jewelry. This way, you’ll know exactly what you should be asking for it should you want to sell it.

How can you tell if a diamond is real or cubic zirconia?

Cubic zirconia is more likely to be completely colorless which is a tell-tale sign it isn’t a diamond. Another notable difference is that a diamond will have natural inclusions throughout the stone which is a sure sign it is real. These inclusions can usually only be seen under a microscope.

How do you tell if a diamond is real with a flashlight?

A sparkle test is quick and easy to do since all you need are your eyes. Simply hold your diamond under a normal lamp and observe the bright shimmers of light bouncing off the diamond. A real diamond provides an exceptional sparkle since it reflects white light extremely well.

What does 375 mean on a gold bracelet?

9 karat
If a gold product contains the hallmark ‘375’, that means your gold is 9 karat – or 37.5 per cent pure. The remaining 62.5 per cent of the product is an alloy of different metals, like nickel, copper, or in some cases silver. But in general the other metals used will not be high value.

What does the number 925 mean on my diamond ring?

My diamond ring has the number 925 on the inside with a symbol that I can’t make out but looks like a diamond symbol. What does it mean? My engagement ring is almost exactly as described, except it says PAL for palladium instead of 925 for silver.

What does the CN mark on a ring mean?

A previous answer, from an apparent employee of a large China jewelry manufacturer called YIBI, stated that the CN mark meant China. CN equaling China could be (and likely is) the case ; but CN could also be the registered trademark of a US manufacturer.

What does CN stand for in sterling silver?

This silver alloy is also known as Sterling. A previous answer, from an apparent employee of a large China jewelry manufacturer called YIBI, stated that the CN mark meant China. CN equaling China could be (and likely is) the case ; but CN could also be the registered trademark of a US manufacturer.

What does the BR Mark mean on jewelry?

The BR marking on your jewelry stands for Brass rhodium. Rhodium is a precious metal that is in the family of platinum. For rhodium plated jewelry, it involves plating the jewelry with a surface that guards against scratches that also gives a reflective white appearance.Hope this helps.