estimated worth price of a diamond

Hello, I wanted to contact Diamont Price Guide because I have a diamond here and I'd like to know its value. Cut- Round Color- H Clarity- ???? Ct- .77 3/4ct Weight- About 5.9 Or Tad Bit More

what is the price for a diamant vvs1 color g and 0,40 carta

How much is 1/6 carat diamond worth?

What are these diamond worth?

What should I pay for a 5.09 ct Lucida Diamond, Color F, Clarity VVS2?

price of pink diamond

i have a 1 1/2 ct 14kt white gold journey diamond pendant where and for how much should i sell it for fast cash it has 7 diamonds vs1 clarity and its colorless

I have a bi colored s12 diamond colorless with a greenish brown section that is about 1/4 of the cut.

I bought my diamond in 2004, D/E Color .83 crt VS1 paid $5500, broker says the value of it is 1/5th of orginal value due to downturn in D prices worldwide?