OST
Lotti
1 pcs Diamante (Naturale) - 0.59 ct - Rotondo - H - VVS2 - International Gemological Institute (IGI)
1 pcs Diamante (Naturale) - 0.90 ct - Smeraldo - G - VS1 - International Gemological Institute (IGI)
At OST, we are proud diamond manufacturers with a legacy rooted in excellence and craftsmanship. We specialize in natural diamonds, offering fancy shapes and rare, one-of-a-kind stones that are ethically sourced, cut, and polished entirely in-house. While we also craft fine jewelry, our true expertise lies in diamond manufacturing. Every diamond reflects our dedication to brilliance, quality, and responsible sourcing—backed by generations of experience. To ensure trust and transparency, we offer diamonds certified by globally recognized institutions such as the GIA (Gemological Institute of America) and IGI (International Gemological Institute), providing our clients with assurance of authenticity, grading accuracy, and value.
- user-2e2432a8f695Positivo•4 settimane fa
Got my parcel. Everything is OK. It was delay in delivery due to wrong telephone number on the parcel. Thanks seller for his gift. It's so nice.
- user-267ed706acefPositivo•4 settimane fa
Fast delivery, everything as ordered. Very satisfied. 👍
- user-267ed706acefPositivo•5 settimane fa
Super!
- user-9b1de90cbb1ePositivo•7 settimane fa
Excellent je recommande
- user-e8bf0cf188dcNeutrale•9 settimane fa
Ist ok. in Antwerpen bekomme ich die gleiche Qualität und günstiger
- user-42e528e0acbcPositivo•9 settimane fa
All perfect, very good communication and had even an extra detail on the shipment. Thank you.
- user-5ac0b30ed49aPositivo•11 settimane fa
Sono felicissima! Ottimo venditore, il diamante è stupendo, la spedizione molto veloce. Grazie ancora 🔝🔝🔝
- user-99b8627Positivo•14 settimane fa
Very fair trader, I recommend it to everyone! Thank you very much Jasmin! 🙂
- user-739e567e9fafPositivo•15 settimane fa
Beautiful
- user-8f608859acbfPositivo•22 settimane fa
Amazing job packing. And the process 💯 the best buying here all the time