Antique 18ct White Gold & Platinum Diamond Engagement Ring

This is a beautifully crafted Victorian piece comprising of a very bright and clear 1.1ct Brilliant Cut Diamond, Colour= G, Clarity= SI1, center stone claw set in a Platinum raised, pierced, open back gallery, leading to a Platinum tulip design shoulders set with four Brilliant Cut claw set Diamonds and a .1ct Baguette Cut Diamond in the center. 18ct white Gold shank. An exquistly made piece. Ring size= O 1/2 (19mm), can easily be resized. Stamped '18ct PLAT'. Circa 1900.