https://operia.com/blogs/lab-grown-diamond-buying-guides/igi-vs-gia-for-laboratory-grown-diamonds 2026-09-28T15:03:46-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_09_44_21_PM.png?v=1790622226 IGI vs GIA for Laboratory-Grown Diamonds https://operia.com/blogs/lab-grown-diamond-buying-guides/how-large-lab-grown-diamonds-are-actually-made 2026-09-28T14:18:32-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_09_18_15_PM.png?v=1790619512 How Large Lab-Grown Diamonds Are Actually Made https://operia.com/blogs/lab-grown-diamond-buying-guides/why-cut-is-the-hard-part-at-this-size 2026-09-28T16:12:59-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_11_09_09_PM.png?v=1790626379 Why Cut Is the Hard Part at This Size https://operia.com/blogs/lab-grown-diamond-buying-guides/diamond-type-and-what-type-iia-actually-tells-you 2026-09-28T13:57:18-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_08_56_09_PM.png?v=1790618238 Diamond type, and What "Type IIa" Actually Tells You https://operia.com/blogs/lab-grown-diamond-buying-guides/what-a-large-stone-actually-costs-and-why-price-per-carat-falls 2026-09-28T16:07:18-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_11_06_29_PM.png?v=1790626038 What a Large Stone Actually Costs, and Why Price per Carat Falls https://operia.com/blogs/lab-grown-diamond-buying-guides/how-fancy-colors-are-produced 2026-09-28T16:11:50-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_11_11_27_PM.png?v=1790626310 How Fancy Colors Are Produced https://operia.com/blogs/lab-grown-diamond-buying-guides/certification-and-verification 2026-09-28T15:53:23-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_06_13_50_PM.png?v=1790625203 Certification and Verification https://operia.com/blogs/lab-grown-diamond-buying-guides/what-to-ask-any-seller-before-buying-above-five-carats 2026-09-28T15:51:45-04:00 weekly https://cdn.shopify.com/s/files/1/0785/2533/3641/articles/ChatGPT_Image_Sep_28_2026_10_51_00_PM.png?v=1790625105 What to Ask Any Seller Before Buying Above Five Carats