Our Taxi driver recommended this place and I just wanted to look, but of course ended up getting my engagement ring! They speak English really well and were very customer service oriented. It didn't matter if I was buying or not, they treated us very well, told us about the emerald mining process, and let us look at anything we wanted even if it was well out of our price range. Everything emerald is set in 18k gold which bring the price up, but you will get a great piece.
They did have some emeralds set in silver, but of course, the emeralds were not as high quality as the ones set in gold. I am very pleased, they even sized the ring for no charge as a little engagement present.