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).

Robbins Brothers Engagement Ring Store

Robbins Brothers is a chain of stores that specialize in diamond engagement rings but also offer other jewellery. They have over three thousand rings and diamonds on offer, so you’re bound to be able to find something that you like.

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They differentiate themselves from other stores by focusing on the diamond selection process, and aim to educate the buyer about picking the visually most attractive diamond. One of the points they make on their website is that two diamonds with an identical properties according to their certification certificate can look very different.

If for any reason none of the three thousand rings and diamonds suit you, they also have a range of designers who can help you design a custom ring setting. These designers will craft the ring on-site so you’ll be able to be constantly appraised of their process.

Like many other stores, Robbins Brothers offer a 30 day money back guarantee if you can find a similar item for a lower price. They also offer a lifetime guarantee on the diamond cracking (with some conditions which you can read on their website) and will do complimentary cleaning and inspection for life.