The Private Fine Jewelry Collection is TimeMachinePlus's own house line — a small-batch selection of lab-grown diamond jewelry we source, inspect, and stand behind ourselves. Each piece is crafted in solid gold and set with independently graded, IGI-certified lab-grown diamonds — real diamonds, identical in look, chemistry, and brilliance to mined stones, at a smarter value. No middlemen, no boutique markup — just honest pieces at direct prices, backed by our 2-Year TimeMachinePlus Warranty, free insured U.S. shipping, and easy 30-day returns. Whether you're marking a milestone or simply treating yourself, this is jewelry chosen the way we choose our watches: carefully.


















