jewelry research logo

Costume Jewelry History
And Jewelry Marks


September 1, 2014

Let's Talk About September's Favorite Stone Sapphire!!

I love sapphire jewelry. It's one of my favorite gemstones and happens to be my birthstone, and now that september has arrived....perfect timing!! I am dedicating this week to learning all about sapphires!!
After people believe of sapphires they believe the color ought to be blue. This is not always true. Sapphires occur in each color and can extend from colorless, and from colors covering from light pastel pink, green, and yellow to a midnight blue in addition to all shades in between. Colorless sapphires are well-liked to become referred to as white sapphires. Some sapphires can have a color change or known as color shift. This means that any stones could look a teal outdoors and shift to a red pink indoors.
Various people within the trade call color shift "party colors". The powerful medium colors in sapphires are additional valued. I'm not a big fan of dark stones. A dark stone has a difficult time in presenting its brilliance. The medium saturated colors are the most precious and historically most significant valuable gemstones. Red sapphires are called rubies. Sapphires are valued for their strong luster (ability to reflect light like a mirror), and hardness. These expensive treasures are the next hardest stones right after diamonds. Sapphires are excellent for most any sort of jewelry applications. This approaches they are able to be applied in rings and bracelets for centuries having a minimal chance of becoming scratched.
Clarity could be the other most valuable thing in determining the significance of a sapphire. Most on the natural sapphires over an industry these days have some inclusions seen only under magnification or worse. A totally flawless stone would make a fine jeweler doubt if it is true or manmade. High quality sapphires are rare and also the larger stones, are pricey to your alike color, clarity, and cut. The average observed sapphires in rough before becoming cut is close to six carats and also the most part of those people are little sizes. Something more than six carats, in my opinion, is becoming regarded as large. A six carat rough stone would finish around A single to 2 carats give or take in depending over a size on the rough as well as the type used. Of course, the shape of rough along with a closely matched type would yield closer to a forty percent yield.
Majority all sapphires obtainable in jewelry market are poorly cut. Perfectly cut sapphires are usually obtainable inside most effective jewelry stores and their importance reflects a premium. We suggest that you understand how to tell the difference among a poorly cut ("windowed" and/or "fish eyed") plus a premium cut before ordering your sapphire. If the stone you are seeking to get sounds too excellent to be true, then it's probably a fake.
Synthetic and imitation sapphires are always synthesized and imitated by other substances. In addition, almost all natural sapphires undergo some type of heat treatment process. The heat treatment technique is employed to support with color and clarity. One of the most valuable sapphire has an intense and attractive medium color (cornflower blue and padparascha are one of the most valued colors), a perfect cut (very difficult to discover in sapphire), a large size (over 3 carats), and beneficial clarity (sapphires are rarely perfectly clear). For instance, an a single carat finished round brilliant premium faceted (cut) medium cornflower blue sapphire VVS (eye clean) can vary upwards to and more than three hundred a carat. In my opinion such a stone under magnification need to show internal flaws but glimpse eye clean. Prices will start dramatically per carat for sapphire stones which are over one carat.