San Francisco Bay Area- Finest GIA Diamond Engagement Rings66mint Fine Estate Jewelry prides itself on offering one of the finest selections of diamond engagement rings in San Francisco. Featuring such items as GIA certified diamonds, vintage engagement rings, estate engagement rings, and art deco engagement rings, 66mint works to help find you the best diamond engagement ring possible. Our San Francisco jewelry store specializes in repurposed diamonds and recycled diamonds of all sizes and cuts, including GIA certified cushion cut diamonds, emerald cut diamonds, princess cut diamonds, pear shaped diamonds, and of course round brilliant cut diamonds. Additionally, due to the fact that we are an estate jewelry store in San Francisco, we also have a large selection of old mine cut diamonds and old European cut diamonds. When looking for the best engagement rings in San Francisco you may decide you are interested in a colored stone engagement ring, like a sapphire engagement ring, an emerald engagement ring, ruby engagement ring, or other three stone engagement ring. So whether you are looking for the best engagement rings online or diamond engagement rings in San Francisco, 66mint will proudly help you in your search. Let us help find you the unique engagement ring of your dreams.