Certificates
Our expertise, your security
DiaMina stands for transparency towards its customers.
Certificates are very important in today's world to be able to operate on the market, because it is clouded by synthetic stones and not easy to understand at first glance.
The price of a certificate starts at €80. It's also important to us to educate our customers about the stated certificate value and its significance.
We also attach great importance to ensuring that the value of the precious stones is in reasonable proportion to the cost of the certification. Therefore, we are transparent with our customers if the certification effort would not be profitable.
The statement of a certificate
Certificates are crucial in the gemstone, diamond, and jewelry trade, as they ensure both security and professionalism. A certificate provides both sellers and buyers with assurance that the gemstones or diamonds they are purchasing are genuine and meet certain quality standards. In an industry where trust and transparency are essential, certifications serve as an important tool for maintaining the integrity of the trade.
Interpretation of the certificate value
Restoration value / replacement value
Is the monetary value necessary to restore the piece of jewelry at the time the appraisal is carried out.
These include, among others, the following parameters to define the restoration price:
- Material value (gold, platinum, silver, ...)
- Trimmings (gemstones, diamonds, ...)
- Manufacturing method (casting, handcraft, ...)
- Labor & manufacturing effort
- Era, history or high luxury brand
The final calculation takes into account all existing parameters of the piece of jewelry - all findings and examination documents are summarized and calculated according to the monetary expenditure to restore the piece of jewelry in today's time, with today's means.
Market value
Market value defines the approximate value that a piece of jewelry will command on the current market for the end consumer. However, it's important to note that not all markets are created equal.
Especially in the Asian market, a piece of jewelry can sell for many times more than in the European market. Therefore, assessing this isn't always easy and usually depends on your own sales skills.
International certification laboratories
Especially today, certificates play an important role in the field of precious stones and jewelry, as they contain information about the origin, purity, cut, and valuation of a stone. They thus serve as trustworthy proof for buyers and dealers and contribute to transparency and security when purchasing valuable jewelry.
Certification standards
The CIBJO standards promote transparency and integrity by establishing clear guidelines for evaluation, labeling and trading to protect consumers, traders and institutions.
Certificate contents & guidelines
General data
General characteristics, including weight, dimensions and cut, are crucial for evaluation and visual appearance.
Color
Color is one of the most important criteria for gemstones and often determines their price. The rarer and higher the quality of a gemstone's color, the more valuable it is.
Treatments
The treatment of gemstones is increasing significantly; they are often treated to improve their color and clarity in order to achieve higher prices.
Origin
Origin plays a crucial role in pricing, as stones from certain regions can often achieve significantly higher market prices due to their rarity.
Authenticity features
Authenticity features such as natural inclusions, color gradients and characteristic cuts are crucial for identification and contribute significantly to their value.