Warning: You appear to be using an obsolete browser, and soon you may not be able to access our website. We strongly recommend that you upgrade your browser as soon as possible.

Search Results

Fine Jewelry University Articles matching: “Lab created engagement ring”

Showing only FJU Article results. Click here to show all results.

Fine Jewelry University (Show All FJU Articles)

  1. Jewelry solder is different than normal jewelry metals

    Jewelry Solder: What You Should Know

    Solder is the unseen “glue” that holds most jewelry together. If you have ever had a ring sized, a chain repaired, or your wedding set joined together, you have very likely seen solder in action. But, what … will focus our discussion on gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety… solder? With solder a different set of alloy metals are used than with regular karat gold with the purpose of lowering the melting point of the finished metal. These metals–usually zinc, cadmium, tin or indium–all have low melting points…

  2. The Difference Between White Gold and Platinum

    … its karat. The key to understanding gold karat is the karat value over 24. An example is a 14-karat gold wedding ring. It is 14/24, which equals 58.3% gold and 41.7% alloy. The white color is achieved by a careful choice of the alloying … because if you don’t like the light yellow look of a specific manufacture, then don’t buy it. New white gold rings are usually coated with a hard protective finish of rhodium, a silver-white metal like platinum. The rhodium plating is …

  3. Group of loose emerald gemstones

    Gem in the Spotlight: Emerald

    Springtime exudes life, full of bright colors and renewed energy. Emerald, May’s gemstone, captures this enthusiasm for … are predominantly found. What sets trapiche emeralds apart from other emeralds is their unique growth habit, featuring six black spokes radiating from a hexagonal core. This distinctive pattern is believed to form due to interruptions in…Elizabeth Taylor received a 23.46 carat emerald and diamond pendant/brooch from her future husband Richard Burton during the shooting of Cleopatra . She wore the emerald on her wedding day and it was later sold at Christies in 2011 for $6…

  4. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    … and perfected to create spinel in even more colors than it is naturally found in. Because of how easily it can be created in a lab, synthetic spinel has been used to imitate many other gemstones (ruby, sapphire, tourmaline, zircon, etc.). … of the reason why most people have been slow to appreciate natural spinel in its own right. Interestingly, most labcreated spinel has a slightly higher refractive index than natural spinel, and that, along with inclusions can be used to …

  5. Unique inclusion in a lab grown diamond

    What Are Lab Grown Diamonds?

    … are man-made crystals with the same crystal structure and chemical composition as the specific gem that is being created. Therefore, a “synthetic diamond” has the same crystal structure and chemical composition as a natural diamond. The … lab grown diamond stem from how they were made. Lab grown diamonds are man-made in a lab while natural diamonds are created in the earth. Nature is not a controlled, sterile environment, and natural processes vary abundantly. Therefore, the…

  6. Group of loose amethyst gems emerald cut trillion and oval

    Gem in the Spotlight: Amethyst

    …mythology. The word “amethystos,” is derived from the Greek word meaning “not drunken.” It is said that amethyst was created when Dionysus, the god of wine, was angered by an insult from a mortal. In his rage, Dionysus vowed to take revenge … with the clergy and was often used in the design of religious objects. It was also believed to have the power to bring about sobriety and was given to people who were struggling with addiction. Wine glasses were even carved out of …

  7. Frequently Asked Question about Jewelry

    …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 domed, resulting in a very comfortable fit. Comfort-… in a more 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 …

  8. Gold Purity and The Differences Between White and Yellow Gold

    … to me? 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 … gold, Carat with a C is a measure of weight use mostly in gem weight (one carat is 1/5 gram). Karated gold used in engagement rings can be from 100% gold to as low as 37% gold. Gold’s karat grade is used to express the proportion of gold in an…

  9. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … the best of the best with a rare twist. One final note: while alexandrite in its natural form is expensive, its labcreated counterpart is very affordable. So no matter the occasion or budget, our gemologists will be able to find the right … component, the stone will appear redder. Alexandrite has a refractive index of 1.746-1.755 with an average birefringence of .010. It has a specific gravity of 3.73 and a Mohs hardness of 8.5. Because of its high hardness, alexandrite is …