I. 18K gold
In industry, a small amount of metals, such as copper, silver and nickel, are usually added to gold to increase its strength and toughness. This kind of gold is "K gold". According to international standards, gold with theoretical purity of 100% is called 24K gold, and the gold content of 1K is about 4. 166%, of which 18k gold accounts for 7500% of AUG.
1, comfortable to wear and cost-effective.
Generally, more than 60% of gold ornaments are not easy to cause human skin allergy, so the purity of 18K gold is 750‰, which is moderate, stable and durable. Is a relatively low price, comfortable to wear, with a very high cost performance.
2, colorful, stylish and generous
18K gold is very rich in color. It can use different formulas to meet the color preferences of various customers, such as white, yellow, rose and so on. Fashion also highlights personality, simple but not monotonous. Suitable for consumers of all ages, skin colors and hairstyles, with better decorative effect. Compared with yellow platinum, it is more in line with international fashion.
3. Moderate hardness and changeable shape.
Pure gold has good ductility, but it is too soft to fix the designed shape. 18K gold has higher hardness than pure gold, is not easy to wear, and its style can be exquisite and changeable.
4, good gloss, suitable for setting gems.
18K gold is also bright enough to be the first choice for many gold ornaments and gemstones.
5. Suitable materials for diamond rings.
18K gold is not only hard, hard and wear-resistant, but also can fix diamonds more firmly. And because it is combined with other metals, it has many colors. The most commonly used diamond rings are 18K rose gold and 18K platinum, which are not only cheap, but also fashionable and beautiful.
6. It has a good meaning
The number "18" is very auspicious, and the pronunciation of the eight characters is similar to that of "Fa", so 8 has become a symbol of good luck and fortune. But 18 is understood as "wanting fa".
7, easy to recycle
There are many jewelry stores in the market that recycle old gold and K gold jewelry. Therefore, you can send K-gold jewelry with outdated styles or wearing for a long time to the gold shop to exchange the old ones for the new ones, and then re-select your favorite styles.
Two. 22K gold
22K Finance combines the dual advantages of 18K gold and pure gold. It not only inherits the rich and gorgeous color of gold, but also has the advantages of high hardness and easy manufacturing and processing of 18K gold, and is known as the "fashionable upstart" in the gold family!
1, Yan value off the charts.
22K gold has stronger color and golden texture than pure gold, and its natural shiny luster gives 22K gold a strong metallic texture and specular reflection effect. But also has stable property and is not easy to fade. Even if it is worn for a long time, it can always be as bright as new, which is unparalleled.
2, high plasticity
22K gold solves the problem of soft gold, has the plasticity of 18K gold, and is suitable for complex technological treatment, such as the wide application of new technologies such as 3D colorful and CNC, and produces fashionable, exquisite and gorgeous styles.
3, good ductility
22K gold has good ductility, and is suitable for designing and making light and three-dimensional jewelry shapes. It has the same size, half the weight of gold, firm structure and is not easy to deform. It can perfectly meet the dual needs of the people for "golden plot" and "fashion characteristics".
4, comfortable to wear
22K gold contains a high proportion of gold, which can not only meet people's demand for gold fineness, but also be comfortable to wear and not prone to allergic reactions.
5. The implication of beauty
The number "22" contains the auspicious meaning of yes-men. Whether you wear it yourself or send it to friends and relatives, it contains good wishes and deep love.
Third, platinum.
Platinum is also called "platinum" because it is a combination of "gold" and "white" and its color is silvery white. Platinum, rare, pure and eternal, is called "the king of precious metals" and "the metal of love" and has become the love of more and more people!
1, pure
The purity of platinum jewelry is usually as high as 90%-95%, and the purity of common platinum jewelry is Pt900 and Pt950. According to national regulations, only jewelry with platinum content of 850‰ or above can be called platinum jewelry. The white luster of platinum is natural and pure, giving platinum jewelry a unique appearance. Even if you wear it every day, platinum will always be as white as ever.
2. Rare
Platinum production is very rare and can only be mined in a few places around the world. If all the platinum in the world is poured into an Olympic standard swimming pool, its depth is not enough to cover the instep. 1 ton platinum mine can only extract about 3 grams of platinum, which is only equivalent to the weight of a smaller platinum ring, and it takes about 8 weeks and a lot of energy to extract these platinum.
Step 3 be immortal
Platinum is very stable in nature and will not deteriorate or fade due to daily wear. Its luster will never change. No matter how long it is worn, platinum can always maintain its natural pure white luster and never fade.
4. The process is complicated
The refining process and production process of platinum are very complicated. The technical level is higher than that of mixed K-gold, but the exploitation of platinum is only 5% of that of gold. Tons of raw ore can only be made into a simple ring through complicated steps, which is really valuable for platinum diamond rings.
Platinum and diamond are a perfect match.
The toughness and ductility of platinum means that platinum can safely and firmly embed every diamond and give it permanent care. The pure white of platinum will not detract from the brilliance of the gem, but can truly present the fire color of the gem itself. Platinum and diamonds can perfectly present masterpieces handed down from generation to generation and become the favorite of famous jewelry brands and royal celebrities.
Source: Treasure Jewelry