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).
1.40 Carat Diamonds
Each carat in a diamond is equivalent to 200 mg, so this 1.40 carat diamond weighs 280 mg. Savvy diamond buyers have learnt to search for diamonds that do not have round numbers in their carat weight - for example, these buyers will search for a diamond with the carat weight just below one or two carats.
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Rough diamonds may sometimes be mistaken for worthless pebbles. Thomas Browne .
If you've been searching for a diamond of a particular size, such as this 1.40 diamond, consider adding other terms to your search enquiry in google or another search engine, for example "g color". Ruby and sapphire are two gemstones which are significantly denser than diamond, which is why a one carat ruby or sapphire will generally looks smaller than a one carat diamond, if you've ever been confused in a store.
Looking around the internet at online diamond stores, you may be tempted to think that a four or five carat diamond is large. You couldn't be more wrong - the golden jubilee diamond is an example of how big diamonds can really be - it is 545 carats, or a weight of more than 100 g, which is about a quarter of the weight of a can of coke.
First-time diamond buyers who are in a hurry often just focus on the diamond carat size, which is a big mistake - other properties such as the clarity of the diamond are important in getting a diamond which is attractive not just in terms of its size, but also its appearance.
