Search Results
Fine Jewelry University Articles matching: “What does 925 means”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Platinum
… choice for jewelry, either on its own or as the setting for diamonds and other precious gemstones. Platinum jewelry does not fade or tarnish and keeps its looks for a lifetime. Platinum’s purity makes it hypoallergenic and ideal for …the perfect choice for a lifetime of everyday wear. Its density and weight make it a durable jewelry metal. Platinum does not wear away and holds precious stones firmly and securely. Like all precious metals, platinum scratches. However, …
-
Learn Secret Diamond Buying Skills From a Professional Diamond Buyer
… looking for the absence of color or transparency (except in fancy color diamonds). A letter grade starting with “D” means totally transparent. The scale then moves down the alphabet to the next level of less transparency color. D to F are…. They don’t set the price, just the basis to determine the price. In the final analysis, the price of a diamond is whatever two people agree it is. The easiest starting place for diamond value is carat. All carat describes is how much a …
-
How to Value Inherited Jewelry
…more factors the seller may only find a buyer willing to pay $800. This does not change the jewelry value. It simply means that the current owner could only find a willing buyer at that price. So, how can we fairly determine how much a … estimates the price an item would sell to a used jewelry customer. The word “estate” in this context simply means used or pre-owned. When someone chooses to buy a piece of used jewelry, excluding cases of rare or highly sought after …
-
The Magic of Polarized Light
…of the molecules are aligned with each other so only a certain vibrational direction of light can pass through. This means that all of the light that passes through a polarizing filter is “polarized.” Common Uses for Polarizing Filters … out a different direction of light, and the second one is filtering out the opposite direction of the first. This means that all of the light that makes it through the first filter is then blocked by the second one. Placing a gemstone in …
-
How Are Lab Grown Diamonds Made?
… they had the idea to grow diamonds in the lab like they grew in nature. High Pressure High Temperature Diamonds How does nature form diamond crystals? Nature does it very deep underground. Diamond growing naturally takes place about 100 …
-
Jewelry Solder: What You Should Know
… ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what is solder and how is it different than the rest of the metal that makes up your jewelry? What is Solder? To answer …of their unique properties of the final alloy changing its color, hardness, flexibility, and more. That’s great, but what does this have to do with solder? With solder a different set of alloy metals are used than with regular karat gold …
-
How to Tell If a Diamond Is Natural or Lab Grown
…question we get all the time, and it’s not as simple as you might think. First, you have to decide what “real” means. If you are not familiar with lab grown diamonds, you might want to check out our introduction to lab grown and synthetic … top gem labs and jewelry manufacturers daily, and it has already helped us catch undisclosed lab grown diamonds. It does not suffer from many of the limitations of the Type IIa tester, and it even works on diamonds that are set in …
-
What to Do When Your Ring Irritates Your Skin
… a change in the skin’s chemical composition. Adding to the confusion, metal allergies can develop at any age. This means that even if nothing changed it is possible to suddenly become allergic to jewelry that you have been wearing trouble…. Don’t worry. There are many options you have when faced with this problem. The first step is to try to determine what the cause of the irritation is. There are actually several different possible causes and it’s easy to waste a lot of …
-
Caring for and Cleaning Your Jewelry
… from touching one another when you wear or store them. Diamonds are crystals that grow with a cleavage plane. This means a sharp blow on a vulnerable spot can chip or break the stone. This does not mean that diamonds are not very durable… in a sink, take the precaution of plugging the drain and using a small screen strainer. How to Care for Jewelry What is the hardest natural substance on earth? Diamonds. Legend says diamonds are indestructible. Diamonds are remarkable …
