The price of any diamond depends greatly of its colour, purity, the existence of inclusions, and of course, the pressure of offer/demand.
A one-half carat diamond weighs 100 milligrams = 0.10 gram.
The weight of a carat is equivalent to 200 milligrams, so a two-carat diamond weighs 400 milligrams.
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.
This depends entirely on the diamond in question.
A nickel weighs 5 grams, which is equivalent to 5000 milligrams.
16.0 grams O (1000 milligrams/1 gram) = 16000 milligrams
It weighs 10 milligrams.
On average, a single peppercorn weighs around 5 milligrams.
On average, one peppercorn weighs about 5 milligrams.
Surely the answer is in the question 400 ounces
An Asian Tiger Mosquito weighs about 2.5 milligrams.
An average paper clip weighs about 1.4 grams (or 1400 milligrams)