Your answer depends on the quality of the diamonds and the number of stones involved in the total weight.
A local jeweler may be able to answer your question.
The value of 1.45 carats of diamonds will depend on weather you have one single diamond or more. Do you have 145 diamonds with a total weight of 1.45 carats or 2 0.5 carat diamonds and a 0.45 carat diamond? Large diamonds are many many times more valuable than small ones and a single 1.45 carat diamond will be worth far more than tree diamonds with a total carat weight of 1.45 carats
Today black diamonds are sold for prices that are comparable to those of white diamonds.
Your answer depends on the size of the diamonds, their cut, clarity and carat weight. A single diamond weighing 20 carats will be more expensive than a collection of diamonds with a total weight of 20 carats.
For diamonds, the weight of a carat is equivalent to 200 milligrams. You can complete the math.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want. A collection of diamonds with this total carat weight will cost less than a single stone of this carat weight.
A single diamond weighing 38 carats will be more valuable than a collection totaling 38 carats. Every diamond is valued by its colour, clarity, cut and carat weight. Without a gemologist's certificate for each gem -- which you can pay for -- your diamonds are worth whatever someone will pay you for them.
One carat equals .02 grammes, so two grammes equals 10 carats. Five times that much means that you'd have about 50 carats of diamonds. Since every diamond is valued according to its cut, clarity, carat weight and colour, all these variables would affect the value of the diamonds in the cache.
Black diamonds generally cost less, stone for stone than a comparable white diamond. The exact price of a black diamond will depend on the size, cut, carat weight and visual desirability of the stone. A local jeweler can show you options.
depends on the carats and if its real or not.
very rare, range anywhere from 17-25 million on the black market.
The raw diamond of 19.5 carats weighs about 3900 milligrams. Remember, though that raw, gem-quality diamonds can lose about 60% of their weight when cut and polished.
Your ring -- lacking any documentation as to its metal and details about the diamonds -- is worth whatever someone will pay you for it. A local jeweler can help you understand the facts about your bracelet, and you can pay a gemologist to evaluate the diamonds.