For something in the middle of the price range, you're in luck with this Konstantino Pendant in stock and waiting for you. You are guaranteed to love this item. You might also want to look at this Ippolita Pendant. It's an attractive option both price and quality-wise. And do check out this Adriana Orsini Pendant! It's a very popular item and good value for money.
If you're looking at it like an investment piece, then what you're looking for is this David Yurman Pendant. It's more expensive but worth your money. Another product we're drooling over is this Kwiat Pendant. It's expensive but you get what you pay for. Why not also consider this Gucci Pendant. You won't regret the money spent!