OSKA Journal
Notes from the atelier on jewelry manufacturing, materials and building a brand.
Does 925 Sterling Silver Tarnish? Causes and What You Can Do
Why 925 silver tarnishes, care habits, and surface options such as rhodium plating.
Read more →What Is the Difference Between Gold Plated and Gold Vermeil?
The difference between gold plated and vermeil: base metal, gold layer, comparison with solid gold and what to watch for in daily wear.
Read more →What Is the Difference Between Lab-Grown Diamond and Moissanite?
Lab-grown diamond and moissanite are not the same stone. We explain the difference in material, sparkle, hardness and documents in plain terms.
Read more →How Should a Tennis Bracelet Clasp Be? Safety Latch and Flexible Links
Why the box clasp, safety latch and flexible links matter on a tennis bracelet, and what to check on the sample.
Read more →Which Diamond Cut Should You Choose for a Ring? Round, Oval, Cushion and More
The differences between round, oval, cushion, emerald and pear cuts, and how the cut affects ring design and stone setting.
Read more →How Lab-Grown Diamond Jewelry Is Manufactured: From Stone to Finished Piece
The steps from growing a lab-grown diamond to delivering the finished jewelry: HPHT and CVD methods, cutting, CAD, casting, welding, stone setting and finishing.
Read more →How Low MOQ Jewelry Manufacturing Works
The logic of low-quantity jewelry manufacturing: why a minimum order exists, what it affects, how small brands can start, and what to ask the manufacturer.
Read more →Private Label, OEM and ODM Jewelry Manufacturing: What Is the Difference?
The difference between private label, OEM and ODM jewelry manufacturing models, which brand each one suits, and what to ask before deciding.
Read more →What Information Is Needed for a Jewelry Manufacturing Quote?
Information to prepare when requesting a contract or custom jewelry manufacturing quote: product type, metal and karat, stone, size, finish, quantity plan and destination country.
Read more →Buying Wholesale Jewelry from the Grand Bazaar for the USA: A Buyer's Guide
A buyer's guide to wholesale jewelry from Istanbul's Grand Bazaar for US buyers: choosing a manufacturer, samples, payment terms, certification, insured shipping and points to watch.
Read more →How Custom Jewelry Manufacturing Works: CAD, Sample, Production and Delivery
How does custom jewelry manufacturing move from idea to delivery? We explain the brief, CAD design, sample approval, production and insured delivery stages from our Grand Bazaar workshop.
Read more →How to Choose a Jewelry Manufacturer: A Checklist for B2B Buyers
What should you look for when choosing a jewelry manufacturer? A B2B buyer checklist covering workshop visits, karat hallmark, certification, sampling, confidentiality and payment terms.
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