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Written by Harry Spencer
Diamond shopping for engagement rings can get super overwhelming, and there’s never really a guide that explains the ins and outs of how much does a 3 carat lab diamond ring costs, or even a 1 or 2 carat for that matter. If you want a big sparkle that is not the benchmark or just above it but a good, big, beautiful, noticeable diamond ring, then read along.
This blog is all about how to buy a 3-carat lab diamond solitaire ring and all the details you need to know before buying the right choice for you, whether it is the cut, shape, pricing, or values. Let’s figure out what you need to make the right choice below.
Table of Content
‘Carat’ is not a physical attribute like the dimension of a diamond but rather its weight. It's how you set a standard of measurement for diamonds wherein 1 carat is equivalent to 200 mm. Carat is one of the things that contributes to the diamond size, but do not confuse it with the sole thing that increases the sparkler's cost. The other C’s, such as cut, color, and clarity, also influence the pricing. A 3 carat lab grown diamond will look different in size due to distinct shapes as well.
SHOP Marquise lab diamond ring
A lot of things affect the diamond price; it’s not just the carat weight. Each diamond, however, will differ in price due to the 4 C’s, which are the cut, color, clarity, and of course the carat that we already talked about earlier.
The diamond cut is one of the most important factors while buying a 3-carat engagement ring, which affects its price point. A diamond cut is commonly mistaken for its shape, but it's actually how well one cuts the facets of the diamond to give it its clear brilliance, fire, and light-reflecting qualities that determine its flawless look.
The diamond color is impactful when it comes to the pricing of a 3-carat stone, or rather any diamond of any carat weight. The higher the quality, the more colorless the diamond is, which is what allows it to have no hues, making colorless diamonds more expensive than those that possess color.
The diamond's clarity is super important too when it comes to changing prices of a diamond with less clarity. Basically, a diamond with high clarity will cost more if any inclusions or blemishes are not visible in the diamond, affecting its overall appearance.
The diamond shape significantly influences the prices too, as some of them are popular and some have better visual properties. Fiery rounds are the best cut for their light-reflecting qualities, followed by ovals and cushions. Emeralds and asschers have the step-cut faceting and can be more affordable with the same carat weight when compared to rounds.
If you love a big, bold sparkle on your fingers with a good value for a 3-carat lab diamond, go for shapes like ovals, radiants, or cushions cause of their evident sparkle, visible face-up size impact, and excellent shine and brilliance that they provide. If you want a subtle sparkle, choosing an emerald cut for a 3-carat diamond can look inexpensive when compared with other shapes.
Other factors such as metal, settings, and style also impact the price ranges of a 3-carat diamond ring. For example, a 1-carat round engagement ring in a halo setting made in platinum metal will be higher in price than a 1-carat oval engagement ring made in 14 kt gold, as their shape, metal, and settings too might vary from one another.
Typically lab diamonds cost much less than mined diamonds, as they are made in a laboratory and do not have the mining markups. Minus the harmful environmental impact, they really have been soaring in the jewelry space. Lab diamond rings' costs differ with their shape and carat as well as a bunch of other factors like the 4 C’s discussed above, but we can make it easier to navigate with the table below with approximate pricing from Friendly Diamonds of an engagement ring based on its shape and carat weight in comparison with other retailers. Discover average price comparisons between a 1-carat, 2-carat, and 3-carat diamond for your ring below. 
Let’s break down how much does a 3 carat lab diamond ring costs as per the diamond shape, metal, setting, and style. A typical loose 3 carat lab created diamond from Friendly Diamonds can approximately range between $3,500 and $10,500 based on the flying 4 C’s grading score for the stone itself. If you add a setting to it, the price then varies from a solitaire setting that is a classic and is priced around ~$610 to ~$950 depending on the band width and metal choice. A detailed diamond ring, which includes settings like halo or a pavé band, can cost an additional ~$1,000 to ~$2,000. A bolder setting like a three-stone ring can cost anywhere from ~$1,900 to ~$2,700 due to additional diamonds and craftsmanship.
Therefore, a 3 carat lab diamond solitaire ring will cost around ~$7,800 to ~$9,500, plus or minus, with the final price varying based on your priorities with the 4 C’s, the diamond shape, the setting, the style, and the metal you choose for your special ring.
A. Find your gorgeous Friendly Diamonds 3-carat solitaire ring at an affordable price with no mining markups. A 3-carat lab diamond with an excellent grading system according to the 4 C’s on average can cost around ~$3,500 to ~$7,500. A solitaire setting can be determined with our “choose a setting” option, adding another ~$900 to ~$1,000 on average. Prices can vary on the metal choice as well.
A. When it comes to emerald cuts, one must prioritize the clarity from the 4 C’s to ensure you see no inclusions or blemishes on the stone with clean step-cut faceting, as they are easier to spot with this pattern.
A. Classic shapes include round, pear, radiant, and asschers, whereas fancy shapes are marquise, emerald, and the other elongated shapes, which were introduced later. Classic shapes are more expensive than fancy shapes.
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