Is it time to pop the question? When you are ready to ask the love of your life to marry you, you probably need to buy an engagement ring. Some couples are making the decision together these days when it comes to the ring, but that eliminates the element of surprise. There are plenty of options when it comes to style, price, and the ethics of jewelry, but the gem is perhaps the most important aspect of the ring. Between the classics and new lab-produced gemstones, deciding on the one for your loved one is more complex than ever. Diamonds…