These oval lab-created blue diamonds were available both certified by IGI, a third-party gemological lab, and non-certified. Certified diamonds come with an IGI report detailing their 4Cs, growth method, and laser inscription. Non-certified diamonds were graded by Abbett's gemologists, with colors above Fancy and clarity above VS.The lab-created blue diamonds, made using HPHT and CVD methods, are chemically, physically, and optically identical to mined diamonds. They offer several advantages:1.2. **Ethical**: Lab diamonds are traceable due to regulated laboratories.3. **Sustainable**: Growth uses sustainable power.4. **Customizable**: Available in any shape or carat imaginable.5. **Cost-effective**: They cost about 1/10 the price of mined diamonds.