If you are on a budget, you'll appreciate this Elise Dray Ring. It's a fail-safe choice and a good investment. Another smart option is this Balenciaga Ring. While the price is not too high, be sure that this item will become a great addition to your wardrobe. You might also want to consider these Aurelie Bidermann Earrings. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you can afford to splurge, then what you're looking for is this Ileana Makri Ring. It's more expensive but worth your money. Why not take a look at this Ring too? Expensive, but worth every penny. Also consider this Alison Lou Ring. You won't regret the money spent!