The professional jargon of jewelry industry is also called jargon, and girls should read it carefully. Do your homework before buying jewelry, diamond ornaments and so on, so as not to appear ignorant. As soon as the jargon came out, the seller suddenly sat up and took notice, and quickly wrote down the time and notebook!

carat

Carat, English carat, usually abbreviated as ct, is the quality unit of pearls, jadeites, diamonds and other precious stones. It is now determined that 1 carat is equal to 0.2 grams. In addition, some merchants say that 1 carat is 100 carat, so the corresponding 50 carat is 0.5 carat and 30 carat is 0.3 carat. The purpose of this is to calculate smaller gems.

2. Mohs hardness

Mohs hardness is a standard to describe the hardness of minerals. Mohs hardness is to carve diamonds on the surface of other minerals by scratch method, and the hardness of minerals is expressed by the measured scratch depth. For example, the hardness of talc is 1

Step 3 be clear

Clarity is determined by judging the number and location of visible defects. Basically, the higher the clarity grade of a gem, the higher its value. One of the 4C value standards of diamonds is clarity.

glitter

Gloss refers to the reflective ability of the gemstone surface to visible light. The luster strength of a gem depends on the refractive index of the gem itself and the surface facet polishing. Gem luster can be divided into: metallic luster, diamond luster, glass luster, grease luster, filiform luster, pearl luster and so on.

5. Transparency

Refers to the light transmission degree of jewelry and jade materials, which can be: transparent, sub-transparent, translucent, slightly transparent and opaque in turn.

6. Color of fire

We all know that many gems can emit light, because when natural light enters the gem, it will be decomposed by the gem, and then it will show all kinds of shining light, generally no more than seven kinds. We call the colorful light of this gem fire color. The fire color of diamonds can be divided into internal fire color, external fire color, dispersed fire color and scattered fire color.

7. Noodles, vegetarian noodles and egg noodles

Faceted gemstone refers to a gemstone with a smooth geometric polished surface. Plain noodles and egg noodles refer to non-faceted gems, which have a polished surface similar to a sphere.

8. shortcomings

Defects generally refer to the dirt, cracks, spots, lines, inclusions and other defects on the surface and inside of jewelry and jade. Pits or rust spots on the surface can be removed by reprocessing or polishing as long as they do not penetrate into the interior; Internal cracks, lines and gas, liquid and solid inclusions can only be reduced or eliminated by various improvement measures.

9. Tip inlay, package inlay and clip inlay

Claw setting is a method of fixing diamonds and other precious stones on brackets (inlays) with metal claws; Cladding is a process of enclosing the periphery of a gem with a metal edge, which is mostly used for some larger gems, especially arch-shaped gems, because it is not easy to fasten the larger arch-shaped gems with the cross-inlay process, and the long claws affect the overall appearance. Clamping is a method of setting a gem in a groove and pressing it hard.

10. Diamond fineness

Color refers to the degree to which a gem lacks color, and diamond is one of the most easily standardized gems. For example, the whiteness of diamonds is graded, with D being the highest and Z the lowest. For diamonds, the fewer colors, the higher the color classification.