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Blue Lab Grown Diamonds

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Chase away the moody blues with our curated collection of unique, responsibly sourced lab grown blue diamonds. These diamonds come in all hues of blue: from light, spring sky azure to a deep, royal indigo. Loved and coveted for decades, blue gemstones bring a regal, glamorous energy to their wearers. Exhibiting eye-catching shades of blue, each stone can be cut into a unique shape, from more traditional cuts like round and pear to show stopping and unique shapes like trillion and trapezoid.


Once you select your beautiful lab grown blue diamond, it is time to set it in a unique Brilliant Earth design. Choose from a wide range of styles, from sophisticated solitaires to luxe, diamond-accented bands – choose a setting for your lab grown blue diamond that will complement and enhance its beauty.

Blue lab grown diamonds are offered across a wide range of carat weights, from small accent sizes to multi-carat stones, so you can find options that suit delicate styles or bold center gems. Browse the listings to see available weights and total carat options for each shape.
Blue lab grown diamonds are available in round, oval, pear, cushion, radiant, emerald, marquise, princess, asscher, and heart shapes, giving plenty of choices for different ring and jewelry designs. Each shape offers a distinct silhouette that can influence how the blue color presents in a setting.
Design styles that showcase blue lab grown diamonds include classic solitaires for a crisp pop of color, halo and pavé accents for added sparkle, and vintage-inspired settings for a romantic look. Consider the overall aesthetic you want, from minimalist to ornate, when choosing a style.
Filter blue lab grown diamonds by carat weight, shape, color intensity, clarity, cut or proportions, and price to quickly narrow options across the category. Use filters to focus on the attributes that matter most to your design or budget.
Blue lab grown diamonds are listed in color intensities such as Light, Fancy, Fancy Intense, Fancy Vivid, Deep, and Dark, and clarity grades range from SI2 up to FL and IF depending on the stone. These options let you balance color saturation and clarity preferences across different price points.
Yes, many blue lab grown diamonds include independent grading reports and detailed specifications that list carat weight, measurements, cut details, and clarity. View each diamond’s product page to access available reports and full technical details.
Two diamonds with the same grades can differ in appearance because of cut proportions, facet arrangement, length-to-width ratio for fancy shapes, and fluorescence or polish characteristics. Those factors influence how light interacts with the stone and how the blue hue is perceived.
Yes, many listings include multiple photos, magnified views, and 360-degree images or videos when available to help evaluate the stone’s color and proportions. Use those media and the provided measurements to compare how each diamond presents from different angles.
Yes, selected blue lab grown diamonds can be added to an engagement ring, and a Brilliant Earth jewelry specialist can help match the diamond to a compatible setting and size. Reach out to a jewelry specialist for assistance with proportions and setting options.
Color intensity describes the saturation and strength of the blue hue, with Fancy Vivid indicating the most saturated, bold blue and Light indicating a subtler tint; Fancy and Fancy Intense fall between those extremes. Consider intensity alongside shape and size to find the balance of color and presence you prefer.