Cultivate diamonds and synthesize the trade name of diamonds, also known as growth diamonds. It refers to the crystal which is made in the laboratory or factory through certain technology and technological process and has the same appearance, chemical composition and crystal structure as natural diamond. National standards for synthetic diamonds led by NGTC are being formulated.
Physical properties, chemical composition and crystal structure are basically the same as those of natural diamonds, with Mohs hardness 10 and density of 3.52 (0.0 1) g/cm? The refractive index is 2.4 17 and the dispersion value is 0.044. The methods of synthesizing diamond include chemical vapor deposition (CVD) and high temperature and high pressure (HTHP). Cultivating diamonds has obvious cost-effective advantages and shorter formation time. In terms of cost performance, cultivated diamonds are no different from natural diamonds in terms of color, particle size and clarity, but the market price of cultivated diamonds with the same particle size and grade is only half or even lower than that of natural diamonds.
Yuyuan Jewelry: Yuyuan Jewelry, a wholly-owned subsidiary, owns domestic first-line jewelry brands such as "Old Temple Gold" and "Yayi Jewelry", and launched its own diamond brand "Lusante", which started trial operation at the online Tmall flagship store on Tanabata. According to Tmall's flagship store, the price range of Lucan diamond ring series is 0.78-45,900 yuan, with the lowest being 0.78 million yuan (0.49 carat /D-E color/clarity VS) and the highest being 45,900 yuan (1.3 carat /D color/clarity VS).
Zhou Dasheng: During the nearly 20 years' history of Chow Tai Sang Jewellery Co., Ltd., Zhou Dasheng Company adhered to the core values of love, honesty, responsibility and forge ahead, took the leading strategic layout, adopted the business strategy of light assets and integrated management, and focused on brand operation, channel management, product research and development, and supply chain integration, so as to continuously enhance its brand image and influence and realize its rapid development. By September 30th, 20 18, the total number of stores in Zhou Dasheng was 3 190, including 292 self-operated stores and 2,898 franchised stores, which formed a strong chain channel network, brought extraordinary cluster effect and resource integration advantages, and became the mainstream brand of diamond jewelry in the middle and high-end market in China.
Yellow River Cyclone: At present, its main business is diamonds and diamond cultivation. The production lines of the two product lines can be used interchangeably. The gross profit margin of diamonds is 20-30%, which is basically unprofitable, and there are arrears and bad debts downstream. So now the diamond production line is changed to produce cultivated diamonds with high gross profit margin, which leads to tight diamond production, rising prices and increasing gross profit margin.
Cultivating the diamond market is very popular at present. In the past three years, the company's diamond planting income has exploded, reaching 39 million, 18, 19 and 20 years respectively, basically doubling. The company lost money in 0/8 year, the gross profit rate in 20/0/9 year was 43%, and in 2020 it was 60%, so the products were in short supply. At present, the company is selling at full capacity, and the goods are all in cash. Therefore, the capacity of 202 1 has increased greatly, and the volume and price have risen together. It is estimated that the total annual income will be 654.38+0.5 billion.
To sum up, there are several listed companies related to diamond cultivation. I hope this article can help everyone, and interested investors can continue to pay attention!