Quick and Easy Buying Guide
Carat weight: 1 carat = 200 milligrams = 6.5 mm diameter. Doubling weight doesn't double diameter.
Diamond clarity: FL/IF/VVS/VS = super expensive, near perfect. SI = best value if you can check a photo for obvious inclusions (defects).
Color: D-G = colorless, expensive, only if you have money to burn. H-J = best value. Can go lower in gold metal settings than white metal.
Cut: Better cut ratings let more light into a diamond, making it sparkle more. Very important property, don't skimp here.
Set a budget and minimum cut (Premium). Go J color for gold and I/H for white metals. Go searching for SI1/SI2 clarity diamonds at James Allen. Pick a diamond with small/no inclusions. Choose a ring setting and buy it risk-free (60-day returns).
1.71 Carat Diamonds
There are hundreds of thousands of diamonds available online, which can be quite a daunting prospect if you're trying to narrow your choices down. One tip is to add another property of the diamond to the phrase that you're entering into your web browser - you could enter vs1 clarity alongside 1.71 carat diamonds.
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A shop assistant may show you a one carat diamond and a one carat emerald stone next to each other, and point out how much larger the emerald stone is. This is because emerald is a much lighter material, so for a given weight of it, it will appear much bigger than for an equivalent sized diamond.
In the quest for finding the largest diamond possible within a budget, it can be fun to consider famous large diamonds like ashberg diamond, which had a huge weight of 102 carats - about 200 times the mass of a diamond used in a typical engagement ring.
Love isn't perfect. Even diamonds start as coal. Brandon Boyd .
Don't mix up carat weights of single diamonds with total diamond weights - the mean very different things and mixing them up can trick you when you're considering different prices. Carat size is only one that property out of a number that you should be considering. You should also consider a diamond other properties such as cut, because this will have a drastic effect on how well the diamond sparkles.