We have been San Francisco Diamond Buyers for over 3 decades right in the heart of the city on Union Square. Our quality diamond jewelry and diamond rings are priced fairly. By going through us, the most trusted San Francisco Diamond Buyers on Union Square, you are more likely to get a fair price. We do have GIA certified gemologists on staff to examine diamonds and give an accurate estimate of their worth. A gemologist will typically examine your diamonds even if you have your paperwork accompanying them or not. We are confident that we will maximize your budget as we are an established San Francisco Diamond seller! You have found the best San Francisco Diamond Buyers on Union Square.