Sapphire Sacrifice — Ruth Silver

 A virus designed to murder Sapphires. No one from Brayleigh saw it coming.Neither James nor Aria expected four men in a deserted city to attack. Thrown into the back of a van, James is captured by claimers - men that hunt Sapphires and bring them into quarantine, where they must settle their debt for treatment.Aria is different. She's naturally immune, or so she's told. On a mission to rescue James, she finds herself in danger and quickly learns the power of friendship, commitment, and undying love.This is the third book in the Gem Apocalypse series and is intended to be read in order.