Skip to ContentSkip to Navigation

Lab-grown diamonds, also known as synthetic diamonds or cultured diamonds, are diamonds that are created in a laboratory setting using advanced technological processes. They have the same chemical composition, crystal structure, and physical properties as natural diamonds.

Lab-grown diamonds are created using two primary methods: High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD). HPHT mimics the conditions found in the Earth's mantle, while CVD involves the deposition of carbon atoms onto a substrate to grow diamond crystals layer by layer.

The main difference between lab-grown diamonds and natural diamonds is their origin. Natural diamonds are formed deep within the Earth's mantle over millions of years through natural geological processes, while lab-grown diamonds are created in a controlled laboratory environment over a shorter period.

Lab-created diamonds have the same optical, chemical, and physical properties as a diamond that is grown naturally under the earth's surface. A lab-grown diamond is apprised using the same 4Cs (cut, color, clarity, carat) and can deliver the same fire, scintillation and sparkle as a natural diamond.

Generally, lab-grown diamonds are less expensive than natural diamonds of comparable quality and size. The cost savings arise from the lower production costs associated with lab-grown diamonds and the absence of mining-related expenses.

Lab-grown diamonds can be of comparable quality to natural diamonds in terms of color, clarity, cut, and carat weight. They undergo the same grading and certification processes as natural diamonds and can achieve the same standards of excellence.

Yes, lab-grown diamonds can be certified by independent gemological laboratories using the same grading standards and criteria applied to natural diamonds. Certifications provide assurance of the diamond's quality, authenticity, and origin.

Yes, lab-grown diamonds are increasingly popular choices for engagement rings, wedding bands, and fine jewelry pieces. 

Lab-grown diamonds are available from a variety of sources, including jewelry retailers, online stores, and specialized laboratories that produce and sell lab-grown diamonds. It's essential to purchase from reputable vendors who provide certified diamonds and transparent information about the diamond's origin and quality.

Lab-created diamonds have the same optical, chemical and physical properties as natural diamonds. However, because lab-created diamonds can be produced in abundance, they are less expensive and make larger size diamonds more affordable. Their relative abundance may not ensure that the value will hold over time.

Diamond Education from the Experts

  • Woman's hands with diamond engagement set wrapped around mans shoulder
    Lab-Grown Diamonds
    Lab-created diamonds come in a variety of classic and modern shapes and cuts. Explore our options to find a diamond that fits your style
  • Diamond solitaire engagement ring
    The Four Cs of A Diamond
    Understanding the cut, clarity, color and carat of a diamond can help you choose the one that suits your lifestyle and budget.
  • Woman wearing gemstone bracelet
    Lab-Grown Gemstones
    Learn more about lab-grown gemstone jewelry and explore KAY Outlet's stunning selection, so you can find the perfect gift.
Get the latest deals, trends & more