1898 Imperial Russian 1.01ct Pale Yellow Cushion VS2/M Mine-cut Diamond & 0.95ct Oval-cut Natural Russian Alexandrite Solid 56 Gold Ring (St. Petersburg Maker AY) Comes W/Grading Document- This stunning ring is made of solid 56 Yellow Gold (Pre-Revolution Russian standard for 14k gold), and has white gold accents. The diamond is stunningly eye clean for a mine-cut diamond from this period. This truly is a museum quality piece. The Alexandrite is a stunning color changing 0.95ct oval cut, and is absolutely not like anything we have ever seen. This quality Alexandrite wholesales for $25,000 per carat. This is a true investment quality piece that belongs in the Russian Federation Museum. The Alexandrite is natural, and the piece comes with a grading certificate from Russia. The Alexandrite is so flawless, and internally clean that it naturally changes color in the light as its being worn. This piece was made for Royalty. Ring sz. 9 (weighs: 2.65 Grams)