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).

What Does a 1.09 Carat Diamond Look Like on a Hand?

This 1.09 diamond will appear about the size shown in the photo, on a typical woman's hand. Try to use the 6.7 mm average diameter for a 1.09 carat stone through measuring the length and width of your finger to get an appreciation of what a diamond of this size will look like on your finger. The picture shows a ring which is US size 6, which is the same as an L 1/2 ring size in places such as Australia and Britain, and is an average ring size. The woman's hand pictured has quite long and slender fingers - your fingers may or may not be similar - if your fingers are differently shaped, bear in mind that the ring you buy may present quite differently on your finger. Do not forget to take into account not just the size of your hand as a whole, but in addition whether you have long and slim digits or squatter ones.

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The apparent size of the diamond is influenced by what it is shown against - the hand - a tiny hand will make the diamond appear proportionately larger and vice versa.

Go searching for diamonds this size at James Allen by clicking on the banner below and dragging the carat slider to the appropriate setting:

Actual Diamond Photos from JamesAllen