Yellow sapphire floral bouquet sterling silver cocktail ring size 9

This ring was purchased from an estate and is in excellent pre owned condition showing little signs of wear. 

Genuine yellow sapphire gemstones prong set throughout. Tiny white accent stones are likely zircon but could also be spinel or topaz. Sterling silver 925 base likely plated in rhodium or possibly platinum. Size 9. Not resizable. No hallmark found. Yellow sapphires are likely heat treated for color enhancement.