Moonstone Pendant 4 with Blue Topaz Andrea Jaye Collection Gemstone Pendant London Blue Topaz and Rainbow Moonstone Etsy Swiss Blue Topaz, Rainbow Moonstone Pendant with London Blue Topaz in EarthRockStone Photo Gallery EarthRockStone Photo Gallery. This elegant pendant features a luminous natural moonstone framed in flowing 925 sterling silver, accented with three faceted blue topaz stones that add cool, ocean blue brilliance. The design showcases graceful, sculptural silver curves that create movement and balance, allowing each gemstone to stand out beautifully. Stone: Natural Moonstone, Blue TopazMetal: 925 Sterling SilverStyle: Sculptural, fluid designFeatures: Soft iridescence, faceted accents, unique handcrafted form