Please provide a certificate that can accurately confirm the value. It is speculated that if it is 80,000 bought by the counter of the shopping mall, the value is about 30,000, and if it is 80,000 customized by the manufacturer, the value is about 70,000. GIA jewelry customization experts remind you: "Online help diamond valuation, answer questions, we will go all out to answer your questions and provide high-end perfect customization services for first-line manufacturers." (Diamonds are not brand-specific, and their value will not appreciate because of the brand, but will be positioned according to the 4C grade. For your future needs, please pay attention to us. )