Objects offered by OST

In auction now

Objects from OST

1 pcs Diamond (Natural) - 1.00 ct - Round - D (colourless) - VS1 - Gemological Institute of America (GIA)

93 pcs Diamond (Natural) - 1.18 ct - Round - D (colourless), E, F, G - VVS1, VVS2 - Gemological Institute of America (GIA)

50 pcs Diamond (Natural) - 1.14 ct - Round - D (colourless), E, F, G - VVS1, VVS2 - Gemological Institute of America (GIA)

No reserve price - 45 pcs Diamond (Natural) - 1.01 ct - Round - D (colourless), E, F, G - VVS1, VVS2 - Gemological Institute of America (GIA)

1 pcs Diamond (Natural) - 1.00 ct - Heart - H - VS2 - International Gemological Institute (IGI)

66 pcs Diamond (Natural) - 0.99 ct - Round - D (colourless), E, F, G - VVS1, VVS2 - Gemological Institute of America (GIA)

1 pcs Diamond (Natural coloured) - 2.01 ct - Heart - Fancy Brownish Yellow - VS1 - Gemological Institute of America (GIA) - Fancy Brownish Yellow

1 pcs Diamond (Natural) - 2.03 ct - Heart - VS1 - Gemological Institute of America (GIA) - Fancy Light Yellowish Brown

1 pcs Diamond (Natural) - 0.30 ct - Emerald - E - IF - HRD Antwerp

1 pcs Diamond (Natural) - 0.90 ct - Round - F - VVS2 - International Gemological Institute (IGI)

No reserve price - 33 pcs Diamond (Natural) - 0.57 ct - Round - H, I - VVS2, VS1, VVS1 - Gemological Institute of America (GIA) - 0.97 to 2.52mm

1 pcs Diamond (Natural) - 0.40 ct - Round - F - VS1 - International Gemological Institute (IGI)

Seller story

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.

24 reviews

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user-d7ad034bb10c
Positive
•2 weeks ago
10/10: envío rápido, seguro y con un detalle por parte del vendedor , la verdad que absolutamente contento y satisfecho
user-079f987edd93
Positive
•2 weeks ago
Opening this parcel felt like Christmas. Every diamond sparkled beyond my hopes. Honest, caring seller, flawless service. You earned my trust forever. Thank you for this unforgettable experience! 100%
user-b4632c0fbb05
Positive
•2 weeks ago
adorei fazer compra nesye vendedor! alem de ser resebido encomenda muito rapido tive uma bela surpresa! fico muito grata ! volto comprar mais!
user-2e2432a8f695
Positive
•7 weeks ago
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-267ed706acef
Positive
•8 weeks ago
Fast delivery, everything as ordered. Very satisfied. 👍
user-267ed706acef
Positive
•9 weeks ago
Super!
user-9b1de90cbb1e
Positive
•11 weeks ago
Excellent je recommande
user-e8bf0cf188dc
Neutral
•12 weeks ago
Ist ok. in Antwerpen bekomme ich die gleiche Qualität und günstiger
user-42e528e0acbc
Positive
•13 weeks ago
All perfect, very good communication and had even an extra detail on the shipment. Thank you.
user-5ac0b30ed49a
Positive
•15 weeks ago
Sono felicissima! Ottimo venditore, il diamante è stupendo, la spedizione molto veloce. Grazie ancora 🔝🔝🔝

OST

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