Vintage! Stone: The large, polished stone displays natural color variations ranging from green to blue-green, with a visible golden or brown matrix (veins or webbing), typical of high-grade Royston turquoise. Setting: It is set in sterling silver (925 purity). Design: The stone is surrounded by a classic "twist wire" or "rope" border, which is a common element in traditional Native American jewelry designs, particularly Navajo style. The side of the ring (shank) also appears to have additional decorative silverwork, possibly including a simple leaf or flower motif near the base of the stone setting, a common feature in this style of jewelry. Value: Similar vintage or handmade rings can range significantly in price, typically from $150 to over $700, depending on the quality of the stone, the artist's signature, and the age of the piece. Elegant statement ring with high grade Royston turquoise - personal collection from late 1970's. FEATURES: large statement aroyston turquoise ring STYLE: vintage Navajo CONDITION: good SIZE: 9.25 Quick Shipper! Like it and make an offer! I'll respond quickly! Ask any and all questions prior to purchase! Thanks for shopping my closet!