The quality of diamonds is defined by the four C's. Cut, Clarity, Color, and Carat weight. Diamonds considered investment-grade are those displaying higher ranges of cut, clarity and color than common diamonds. Liquidity (ease of sale) is also an important aspect of investment-grade diamonds.

The short answer is that most diamonds do not appreciate in value over time. Only an extremely small category of diamonds increase in value, which we will discuss later. ... So while retail prices for diamonds may be high, the resale market rate for diamonds is much lower.

Diamonds have forever been used as an excellent means of transfer. The fact that such a small item can be worth so much money is astounding. ... Real estate, gold, silver and diamonds usually appreciate in compliance to inflation. Unlike the others, diamonds are more durable and movable.

Yes of course, diamonds do have a resale value. ... Diamonds do have a resale value depending upon the quality of the diamond studded (if you talk about jewellery). Diamonds price doesn't increase or decrease very rapidly like the prices of gold but they are very much like constant and depends upon the demand and supply.

Old European cut diamonds do not sparkle as much and have more shadows than modern diamond cuts but the depth of the diamond makes them desirable and unique. ... Since these diamonds generally have a higher carat weight compared to modern diamonds they are usually more valuable.

To tell if your diamond is real, place the stone in front of your mouth and, like a mirror, fog it up with your breath. If the diamond stays fogged for a few seconds, then it's probably a fake. A real diamond won't fog up easily since the condensation doesn't stick to the surface.

Are diamonds a good investment? On paper, diamonds make great investment sense. They have high intrinsic value, they're always in demand and they last forever - plus, they're small, portable and easy to store (unlike that priceless Ming vase you just had to have at auction).