Stephanie Van Zwam is a jewellery designer based in Nyon, Switzerland. Every piece is made to order in 18k recycled gold with lab-grown diamonds, individually certified by the GIA or IGI. The collections include engagement rings, wedding bands, necklaces, and earrings. Bespoke commissions are welcome. Consultations are complimentary, in person or online.

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Founded in 1900, Vernain SA, a family business, owned by the 4th generation has mastered its expertise in diamonds. With more than one century experience, Vernain SA is constantly working to find the best gems worldwide at the best price. Vernain SA mainly deals with jewellery manufactures or watch factories but also can assist in diamond investment. Vernain SA is making sure that all diamonds sold follow a strict ethical process. All diamonds are checked and certified in-house natural.