These are top AAAAA grade CZs. CZ has a grading system, just as diamond has theirs. Most CZ jewelry is set with AAA or lesser. These are top line. In appearance, they rival beautiful quality diamonds. Only you will know they aren't diamond. The cut on these stones is ideal. Just beautiful. These earrings have it all; brilliance, fire, sparkle, shine, clear, clean in clarity, and an awesome cut.

The setting is solid. Set just like diamond...solid with great looking prongs tips holding the stones in place. The prongs give a slightly squared off look to the "diamond". The basket is not bulky. The platinum overly is very well done, most likely won't cause any  allergic reactions. The metal is not the light silvery color photographed.  These are better than any department store CZ studs set in 14k that I've seen. Overwhelmingly, those have lesser stone quality and flimsy settings. This is solid.

 "The Platinum Overlay Collection" by Amazon has beautiful, excellent quality, jewelry. While I recently purchased these, I bought a few pieces from their collection a few of years ago. All of my pieces still look just as beautiful as when I received them. Even with constant wearing, the platinum has never faded. Stones are still beauties.(Now, I don't shower or wash my hair with earrings on, but I did and often ).  The collection is dwindling. Not many pieces are still available. You may want to pick these up. You don't often see CZ this gorgeous.  Your, predisposed to jealousy, co-workers will be so envious...get ready for the "evil eye".

5mm is about 3/4ct in each ear. I love this size...not too big and not too small. Just perfect, thanks Amazon.

UPDATE:  I just ordered a pair for my fav cousin. She's a bit of a diamond snob. Amazon shipped directly to her(I'm excited..couldn't wait for her to get them), but I should've put them in a fancy box, and wrapped up for Christmas.  I could have heard her, "Oh Trinny, you shouldn't have". I'd had to tell her, "Oh Pat, but I didn't".  Seriously, these earrings have eliminated my desire for  beautiful natural diamonds of this carat weight. I'd have needed to save to purchase them, and still would have had a hard time justifying spending several thousand for a pair of earrings. My money is more wisely saved for more important purchases. I love these earrings! I hope you do, too. 5+++ stars.