This pendant doesn't have obvious visible imperfections. This is 100% natural grade A Burmese Jadeite necklace pendant. Untreated by acid pickling or impregnating.  Not artificially stained or dyed. Jade jewelry is a natural product that always has mineral structure imperfections, such as visible small crack, stone grain, cloudy clusters, and mineral color root vein. Please contact me to look at all the imperfections before you place the order. No certification card for this little item =========== Item Details =========== Shape/Style: Flower Shape Necklace Pendent Size: *Jadeite Pendant Height: mm *Jadeite Pendant Width: mm *Whole Item Weight: g Color: Icy White Texture: Fine and Smooth Hardware Material: 925 Sterling Silver/Zircon Under different light environment, jade will show a bit different color. We promise these pictures were taken under natural daytime light without any edit.