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).
Best Selling Diamond Engagement Rings at James Allen
Often the best way to decide for yourself is to look at rings that others with good taste have chosen - shown below are some of the best selling diamond engagement rings from James Allen. Just click on the picture of a ring to investigate it further.
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 A nice 2mm Comfort Fit 18K White Gold Solitaire Engagement Ring |
 Same as last but with 2mm Knife Edge 18k White Gold Solitaire Ring |
 2.5mm Comfort Fit 18K White Gold Solitaire Engagement Ring |
 18k White Gold Spiral Diamond Solitaire Engagement Ring |
 18k White Gold 2.1mm Timeless Engagement Solitaire Ring |
 18k White Gold Six Prong Wire Basket Engagement Ring |
 18k White Gold 2.2mm Pave Set Diamond Engagement Ring |
 18k White Gold 2.1mm French Cut Pave Diamond Engagement Ring |
 18k White Gold 1.9mm Frame Pave Set Diamond Engagement Ring |
 18k White Gold Round Raised Pave Diamond Engagement Ring |
 18k White Gold 0.30ctw Common Prong Diamond Engagement Ring |
 18k White Gold 3-Stone Channel-Set Diamond Engagement Ring |
 18k White Gold .60ctw Princess Channel Engagement Ring |
 18k White Gold Bow-Tie Channel Set Diamond Engagement Ring |
 18k White Gold Common Prong Six Diamond Engagement Ring |
 18k White Gold Bezel & Pave Set Engagement Ring |
 18k White Gold Common Prong Four Diamond Engagement Ring |
 18k White Gold ME1 by Danhov Designer Wedding Set |