https://incgems.com/blogs/news/gia-certified-d-if-cushion-cut-simulated-diamond-strass-gemstones 2025-07-31T17:12:19-06:00 weekly https://cdn.shopify.com/s/files/1/0710/0920/6439/articles/IMG_20250403_230221638_HDR_bee85af9-2360-4483-b1ed-4dc097d882b0.jpg?v=1754003539 GIA Certified D IF Cushion Cut Simulated Diamond Strass Gemstones