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).
0.43 Carat Diamonds
0.43 carats refers to the weight of the diamond, which may also be expressed in terms of points - 0.43 carats is 43 points. A diamond that is sized at 0.43 carats is usually roughly 4.91 mm in the width dimension.
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Discerning purchasers of diamonds consider other characteristics of the diamond apart from carat size such as girdle thickness - how big the girdle is can impact on the diameter of a diamond of a certain carat weight.
If you've been searching for a diamond of a particular size, such as this 0.43 diamond, consider adding other terms to your search enquiry in google or another search engine, for example "g color".
Buying a diamond should really be about what you and your partner want, but if it's really important to you, know that the average diamond size in an engagement ring is about half carat, give or take. If you're in a diamond store and you see a diamond with its carat weight marked and it looks wrong, don't hesitate to ask, and walk away if they won't give you a straight answer.
Don't forget to think about other diamond characteristics such as diamond cut, which plays a critical role in determining the amount of light that gets into the diamond and the degree to which the diamond sparkles in light.
Kissing your hand may make you feel very good, but a diamond lasts forever. Anita Loos .