Triple your thoughtfulness with this Italian-made asymmetrical ring stack: an 18-karat gold band atop a silver band bearing two black garnet chunks, atop another silver band w/ a big ol' cubic zirconia, which she's now 66.66% more likely to carelessly mistake for a diamond.

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Score thrice at Tobi.com. Click the brand (Iosselliani) to see more variations on the concept.