Search Results
Fine Jewelry University Articles matching: “Blue sapphire rings”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Spinel
… out of the shadows and be appreciated in its own right, and we can see why. Its colors rival even the best rubies, sapphires, tourmalines, and other more popular gems. For only the 3rd time in the last one hundred years, the industry is … of all time. Spinel was first made in a lab over 100 years ago when scientists who were trying to synthesize blue sapphire wound up creating spinel by mistake. Since then many processes have been used and perfected to create spinel in even …
-
What Are Lab Grown Diamonds?
…. Simulants are gems that look like a real, natural gem but are actually another material. So, a clear or white sapphire can be a diamond simulant because it looks like a diamond. That white sapphire can be natural or, here’s the trick, …natural vs synthetic), but that it is a substitute that looks like another gem. So, we can say that a man-made white sapphire is a “synthetic sapphire” or that it can be used as a “diamond simulant,” but it would be incorrect to say that it …
-
Alternative Metals for Men’s Jewelry
… 6,191 degrees Fahrenheit. Tungsten is rated at about a 9 on the Mohs scale of hardness which is the same as Ruby or Sapphire and just below diamond (which is 10). Like these gems, tungsten is very scratch resistant and will not bend out of …come in around 7-8 on the Mohs hardness scale which is about the same as quartz or topaz but softer than tungsten or sapphire. Like most alternative metals, cobalt chrome bands are hypoallergenic and biocompatible. But, in our experience, …
-
Gold Purity and The Differences Between White and Yellow Gold
Gold, just the word brings to mind value, rarity, wealth, beauty and jewelry. But what is gold? Yes the scientists tell us gold is an element …Gold is a beautiful metal that is used to make timeless jewelry. Gold can be bent and molded into elegant engagement rings to show the eternal affection of one person to another. Gold is an expression of love. Gold Purity Is all gold the …of jewelry is pure gold or solid gold or 24 karat gold, but what does it all mean? Gold used in jewelry like wedding rings can come in many forms. Basic to understand the uses of gold in jewelry is karat. Karat with a K is the purity of …
-
Synthetic Gems: The Whole Story
Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been … thousands of years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one …to positively identify as synthetic. Both, I feel, are impossible to identify in a piece of jewelry. Synthetic ruby, sapphire, alexandrite and emerald are very complex because there are different ways to make them. The inexpensive way to make…
-
The Magic of Polarized Light
… (DR) and they will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light … see through the surface of water or only capture the reflection. Modern 3D movies: Unlike old school red and blue 3D movies, modern 3D uses two images along with a pair of glasses that have polarizing filters for lenses. This tricks your…
-
Anatomy of a Ring
… the shank, going as far up the sides as the design and the extent of the wear require. If you are careful with your rings (removing them when doing dishes, cleaning with harsh chemicals, gardening, etc.), the shank may last your lifetime … wires which can wear and break or crack over time. The gallery is also a prime location to see wear caused by other rings (e.g. wedding bands) that are worn next to each other. The constant friction with another ring can actually wear …
-
Gem in the Spotlight: Opal
…used in jewelry. For reference, here are the Mohs hardness values for some other gemstones you may know: Diamond 10, Sapphire 9, Amethyst 7, and Peridot 6. Turquoise is about as hard as opal, but you would need to consider Pearl or Amber (… that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals have very…
-
Frequently Asked Question about Jewelry
… Gem Laboratory in the world, does not recognize SI3 grades. What is a Comfort Fit Ring? Many diamond wedding rings are available in a comfort-fit style. Comfort-fit engagement rings have extra metal to make the inside of the band slightly… comfortable fit. This might result in the feeling that the ring feels “looser” in the finger. Diamond engagement rings with a comfort fit design have an oval cross section with very smooth rounded edges, giving them the comfort-fit name…
