The value of anything is worth what someone will pay you for it.
Your term 'chip diamonds' assumes that this collection may the residue from diamond cutting in that the chips are not faceted. If true, these, then may have value to a jeweler who can use them as chip accents, or they may have value as industrial diamonds, which one can purchase inexpensively by the pound because the stones are not gem stones.
The value of the stone(s) depends on the cut, natural colour, carat weight and clarity of the stone. A gemologist who is expert in black diamonds can help you value the stone(s).
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Each diamond is valued according to its cut, clarity, carat weight and colour. Five diamonds weighing one carat, collectively weigh one carat.
"The market value for natural blue diamonds is very high. They are very rare and highly sought. The average price for a one carat blue diamond may be as high as $150,000."
A one carat diamond equals 100 cents when measuring diamonds in both carats and cents.
Given the high number of diamonds limited by the low carat weight in your question, the cost of the diamonds might not be so much a factor as the quality of the setting into which they are mounted. The clarity quality that you describe wouldn't be so visible in diamonds weighing less than a quarter carat (.25 carat) each.
1 carat = 100 cents = 6.5 mm = solitaire
Diamonds are not typically sold in 'pieces': diamonds are sold as individual gem-stones. One carat equals about .02 grammes, so you can include as many diamonds in that weight as you want to equal the one-carat weight you want. Note, however, that you may include fewer gem-quality diamonds in your total mix than rough, industrial diamonds, because the gem-quality diamonds you want are probably faceted.
One carat of diamonds is worth whatever someone will pay you for it. The value of one carat of diamonds depends on the clarity, colour, cut and the carat size of the diamonds. The smaller the diamonds the less individual stones will be worth. A diamond weighing 1.00 ct will be worth more that 30 diamonds weighing 1.00 ct in total. Best practices dictate that you pay a certified gemologist to evaluate your diamonds and help you determine a fair market value for them. Next as what a car is worth. There is no simple answer for that question either. Quality is the key when making a valuation of either a diamond or a car. For the car the price can vary by the brand and what features are in the car. For a diamond there are features like color, the cut and proportions, the clarity which are the size and placement of markings inside the stone, and of course how much it weighs. If all quality is equal, a single well cut good quality one carat diamond will be close to half the price of a diamond of similar cut, color and clarity that weighs about 1.25 carats. You can almost expect the value to double for each 1/4 carat of bigger size.
This is a math question essentially: 100 divided by three equals 33 1/3, and that's the number of three-cent diamonds in a full carat.
Red Diamonds are approximately USD $2-2.5 million/carat. Just like regular diamonds, the price may vary by clarity of the actual stone.
For diamonds, carat is the weight. I suspect that your 1.0 stone is a 1 carat stone. Milliliters (ml) is a measure of liquid volume, which doesn't apply to diamonds, since they are not liquid.