Cut, clarity, carat, and color.
Diamond value depends on the '4 Cs': cut, color, clarity and carat weight.
It completely depends upon the quality. There is no one value you can assign based upon the size. The "4 Cs" dictate value: Cut, Clarity, Color, Carat. You know one of the 4 Cs (carat) but the value can differ greatly based upon the other 3 Cs. The best way to determine value is to have it appraised.
The 4 Cs of diamonds are cut, color, clarity, and carat weight. Cut refers to the diamond's proportions and how well it reflects light. Color ranges from colorless to yellow, with colorless diamonds being the most valuable. Clarity measures the presence of inclusions or blemishes within the diamond. Carat weight simply refers to the weight of the diamond.
Diamonds value depends upon its 4 cs. Clarity, colour, cut and carat. In general a 10 cents diamond would cost around US$100 ( VVS clarity, E colour, and excellent cut)
I suggest you get your ring appraised by a professional jeweler before you attempt to sell it. Professional jewelers evaluate jewelry on craftsmanship and market value. Or you can pay for a gemologists certificate which documents the 4 Cs of the diamond, and quality of the metal setting. This will be a better range of market value than an appraisal, which is best used typically for insurance purposes.
The value of a diamond depends on the quality of a diamond, which is determined by the diamond's attributes or its 4 C's (which include: color, clarity, cut and carat weight). Generally speaking, the higher the quality of the diamond, the higher its value will be.
Gem-stone quality diamonds are considered especially valuable due to their rarity and their uniqueness. A diamond's value is determined by its 4 Cs, which include a diamond's cut, clarity, color and carat weight. A diamond low on some or all of the 4 Cs will naturally be less valuable than a diamond that is high in clarity, color, cut and carat weight. Seventy-five to eighty percent or more of all mined diamonds, however, are used by industry to enhance cutting and precision tools.
The value of a diamond is determined by the 4 Cs: carat weight, cut, color, and clarity. A diamond the size of a grain of rice would likely be less than 0.01 carats, which is considered a melee diamond. Melee diamonds are typically lower in value due to their small size and are often used as accent stones. Therefore, the value of a diamond this size would depend on its specific characteristics, but it would generally be on the lower end of the price scale.
The term cut, in the 4 Cs of diamond valuation -- cut, colour, clarity and carat weight -- describes the shape of the finished stone.Following the link, below, you can see examples of a few fancy cuts:HeartRadiantMarquisePearOvalEmeraldIn most diamonds adverts, you'll see the round cut, which is common.According to the link below:"As a value factor, though, cut refers to a diamond's proportions, symmetry, and polish."
The 4's of diamonds are Cut, Color, Clarity and Carat. All are VERY important in buying a diamond and the value of your investment. It is hard for any given person to see all of the 4 C's with a naked eye so be sure to ask your jeweler for a GIA diamond certificate. GIA is non-profit and the "authority" in the 4 C's. It is worth insisting upon.
The Koh-i-noor Diamond is priceless and has no listed value.
The quality of a diamond directly affects how much you can resell it for. Diamonds are valued based on the 4 Cs—cut, color, clarity, and carat weight. A well-cut diamond with good clarity, less color, and higher carat weight will usually sell for a higher price. On the other hand, diamonds with visible flaws or poor cut tend to have lower resale value. 👉 In simple terms, the better the quality, the higher the resale price. 💎