Sight-unseen it is not possible to give you a precise answer.
Every diamond is valued according to its colour, clarity, carat weight and cut. A local jeweler may be able to give you a range of prices that the jeweler would pay you for the stones.
Finally, appreciate that whatever you have to sell is worth whatever someone will pay you for your goods.
jellyfishes are not a matter of money.
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
Not really much about 35 dollars
Probably not that much, they are fairly common, although collectable.
The value will depend upon the quality of the diamonds. You will need to get a jeweller to look at the ring. Diamonds are valued on more than just size, their colour ( shade of white) and clarity ( for example ) are important too.
diamonds
A carat of diamonds is worth whatever someone will pay you for the carat.
Diamonds grossed $81,897 worldwide.
Diamonds grossed $81,897 in the domestic market.
By weight, diamonds are worth more because they are much more rare than gold.
It depends on how much money you have
Diamonds Are Forever grossed $116,000,000 worldwide.
Ocean's Eleven grossed $450,728,529 worldwide.
Diamonds Are Forever grossed $43,800,000 in the domestic market.
Ocean's Eleven grossed $183,417,150 in the domestic market.
You should insure your diamonds from the diamond place you got it from. You should ask them how much the insurance is. It will probably cost you a couple hundred dollars but it is worth it. Be aware that you will not get the money for the ring if you loose it but the company may replace the ring.
Because they are relatively rare and hard to mine. They also have aesthetic value in jewelery as well as intrinsic value in various types of industrial machinery (although much of the latter is now replaced by synthetic diamonds).