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Good Cut Diamonds

Good cut diamonds reflect a substantial amount of light, creating a bright sparkle.

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A good cut diamond is a diamond that is cut to proportions that offer exceptional brilliance and fire due to a large amount of light reflecting off of the diamond's table. Good cut diamonds are considered high-quality diamonds that out-rank many other diamonds in their ability to shine brilliantly and reflect light.


When considering a good cut diamond, it is imperative to also consider the other 4 Cs: color, clarity, and carat. While having a good grade in cut is important, it is equally important to find a diamond that retains an excellent level of clarity (little to no inclusions), is within a color scale that you like (generally D-H), and is a carat weight that fits within your preferences. When you find a good cut diamond that is equally well-ranked across categories, your stone will truly be a cut above the rest.

Good Cut diamonds are available across a wide range of carat weights from small melee sizes up through 2 carats and larger in our inventory. Browse options to find the carat weight that fits your budget and visual preference.
Good Cut diamonds are offered in many shapes including round, oval, emerald, cushion, elongated cushion, pear, radiant, princess, marquise, asscher, and heart. Filter by shape to see all available options.
Good Cut diamonds can be filtered by shape, carat weight, price, color, clarity, length-to-width ratio, fluorescence, polish, symmetry, origin, and report type to help refine the selection. Use those attributes to find stones that match your priorities.
Good Cut diamonds span a range of color grades from near-colorless to faint color and clarity grades from flawless and internally flawless down through SI-level grades. The full selection lets you balance color and clarity with other preferences.
Yes, each loose diamond includes a detailed grading report from recognized labs such as GIA, IGI, HRD, or GCAL that lists carat weight, cut grade, color, clarity, measurements, and other key details. Report availability is shown on each diamond’s detail page.
Two diamonds with identical grades can appear different due to subtle variations in proportions, facet alignment, polish, symmetry, fluorescence, and length-to-width ratios. Those nuances affect how light travels through a stone and how its sparkle presents in person.
Many Good Cut loose diamonds include 360-degree images and videos or multiple high-resolution photos so you can preview the stone from several angles before choosing. Look for visual media on each diamond’s detail page.
Good Cut loose diamonds can be paired with a wide variety of engagement ring settings including solitaire, halo, bezel, three-stone, and vintage-inspired styles. A Brilliant Earth jewelry specialist can help confirm compatibility between a selected stone and your preferred setting.
Good Cut diamonds are cut to proportions that emphasize brightness and fire, with facet arrangements and depth ratios tailored to each shape to optimize light return. In round brilliants this often shows as lively scintillation, while fancy shapes balance brilliance with their natural outline and length-to-width ratio.
Yes, you can add a selected Good Cut loose diamond to an engagement ring by using the Add to Ring option or by speaking with a Brilliant Earth jewelry specialist to pair the diamond with the ideal setting.

Asscher Cut Diamonds

Fair Cut Diamonds

Ideal Cut Diamonds

Antique Cut Diamonds

Radiant Cut Diamonds

Very Good Cut Diamonds

Heart Shaped Diamonds

Pear Shaped Diamonds

Flawless Clarity Diamonds

Super Ideal Cut Diamonds