Purchase rare diamond engagement rings from our unique selection of vintage, estate, and antique rings. Fully guaranteed and worthy of a lifetime of wear, nothing is more resonant and symbolic in jewelry. To anyone who wears a diamond engagement ring, it speaks clearly to the world, "I am in love" and "my life is bound with another, unequivocally". Yet, whether of platinum, white gold, yellow or rose gold, the most expensive, or for the budget minded, all are covered by our no risk guarantee. At The Three Graces, there are no estate diamond engagement rings sold that aren't vetted, tested, inspected and approved by our experts.