Metal Guide

Sterling silver, 18K gold, PT950 platinum, titanium steel and alloy: purity, hardness, allergy risk and price explained.

74 articles total

Argentium Sterling Silver: The Anti-Tarnish Upgrade - HOLYCOME
Metal Guide

Argentium Sterling Silver: The Anti-Tarnish Upgrade - HOLYCOME

Argentium sterling silver adds germanium to 92.5% silver, resisting tarnish and firescale far better than ordinary sterl...
Grace Zhao Sep 30, 2026 11 min read
Palladium Jewelry: The White Metal You Forgot About - HOLYCOME
Metal Guide

Palladium Jewelry: The White Metal You Forgot About - HOLYCOME

Palladium is a platinum-group white metal that is lighter, rarer than silver and naturally white. This guide explains it...
Grace Zhao Sep 30, 2026 11 min read
Tungsten Carbide Rings: Durability, Weight and Safety Explained - HOLYCOME
Metal Guide

Tungsten Carbide Rings: Durability, Weight and Safety Explained - HOLYCOME

Tungsten carbide is the hardest popular ring metal, prized for scratch resistance and a mirror polish. This guide explai...
Grace Zhao Sep 30, 2026 11 min read
PVD Coating Jewelry: What It Is, Durability and Colors Explained - HOLYCOME
Metal Guide

PVD Coating Jewelry: What It Is, Durability and Colors Explained - HOLYCOME

PVD is a vacuum-vapor process that bonds a thin hard film to jewelry. This guide explains how IP gold and black PVD diff...
Grace Zhao Sep 30, 2026 11 min read
Jewelry Metal Resale Value: Gold, Silver & Platinum Recycling - HOLYCOME
Metal Guide

Jewelry Metal Resale Value: Gold, Silver & Platinum Recycling - HOLYCOME

Gold, platinum and silver have real melt value; stainless steel and titanium do not. Learn how resale pricing works and ...
Sarah Lin Sep 30, 2026 16 min read
How to Tell If Jewelry Is Real 925 Silver: 7 Simple Tests - HOLYCOME
Metal Guide

How to Tell If Jewelry Is Real 925 Silver: 7 Simple Tests - HOLYCOME

Fake 925 silver is common. Use these 7 home tests, from the hallmark to the bleach test, to verify whether jewelry is re...
Sarah Lin Sep 30, 2026 16 min read
Copper vs Brass Jewelry: Allergy Risk and Green Skin Explained - HOLYCOME
Metal Guide

Copper vs Brass Jewelry: Allergy Risk and Green Skin Explained - HOLYCOME

Copper and brass are the metals most often blamed for green skin marks, but the reaction is not an allergy. Learn the di...
Sarah Lin Sep 30, 2026 16 min read
Jewelry Metal Weight Comparison: Heaviest to Lightest - HOLYCOME
Metal Guide

Jewelry Metal Weight Comparison: Heaviest to Lightest - HOLYCOME

Platinum, gold, silver, steel and titanium differ dramatically in density. See the jewelry metal weight ranking and how ...
Sarah Lin Sep 30, 2026 16 min read
Gold Vermeil vs Sterling Silver: Which Should You Choose? - HOLYCOME
Metal Guide

Gold Vermeil vs Sterling Silver: Which Should You Choose? - HOLYCOME

Gold vermeil and sterling silver share the same 925 base, but the thick gold layer changes color, durability, cost and c...
Sarah Lin Sep 30, 2026 16 min read
Does Platinum Tarnish? Oxidation, Patina and Care Explained - HOLYCOME
Metal Guide

Does Platinum Tarnish? Oxidation, Patina and Care Explained - HOLYCOME

Platinum never turns black like silver, but it does develop a satin patina of micro-scratches. Learn the difference and ...
Sarah Lin Sep 30, 2026 16 min read

Wholesale Order Terms

As a factory-direct jewelry manufacturer, we quote every order against stone type, metal, setting and finish. Loose stones are priced per carat, finished rings, earrings and bracelets per piece, and custom metal work per gram. Send your stone, metal, size and quantity for a wholesale price list in USD, quoted with FOB, EXW or DDP shipping terms.

MOQ & Pricing

Minimum order quantity (MOQ) starts from 5 pcs per style. Mixed-SKU orders are accepted, and volume discounts apply from 50 pcs; pricing is tiered by quantity and quoted per piece, per carat or per gram.

Lead Time

Ready-stock pieces ship in 2-5 business days. Custom sampling takes 5-10 days; bulk production lead time runs 10-25 days, depending on design, stone size and order quantity, confirmed in your written quote.

Payment Terms

We accept T/T telegraphic bank transfer, PayPal, Alibaba Trade Assurance and Western Union. OEM and private-label orders require a 30% deposit, with the 70% balance paid before shipment.

Shipping

DHL, FedEx and UPS for samples and small orders; air or sea freight for bulk. Worldwide delivery under FOB, EXW or DDP terms, with QC photos shared before dispatch.

Frequently Asked Questions (FAQ)

What is your MOQ for wholesale jewelry orders?

MOQ starts from 5 pcs per style. Mixed-SKU orders are welcome, and catalog styles can be combined into one batch. Larger OEM/ODM and private-label programs negotiate a tiered MOQ and volume discount.

How do you price wholesale moissanite and diamond jewelry?

Loose stones are quoted per carat, finished rings, earrings and bracelets per piece, and custom metal work per gram. Send the stone, metal, size and quantity, and our sales team returns a wholesale price list with USD FOB, EXW or DDP quotes and a written price range.

What is the typical lead time for samples and bulk orders?

Ready-stock pieces prepare in 2-5 business days. Samples take 5-10 days; bulk production lead time runs 10-25 days depending on design, stone size and quantity. The exact timeline is confirmed in your quote before sampling.

Which payment methods and terms do you accept?

We accept T/T telegraphic bank transfer, PayPal, Alibaba Trade Assurance and Western Union. Custom and OEM orders require a 30% deposit, and the 70% balance is paid before shipment; final terms are agreed in the order agreement.

Can you produce custom OEM/ODM and private-label jewelry?

Yes. Send your CAD file, photo, sketch or target price. We handle stone selection, casting, setting, plating, laser engraving, hang tags, jewelry boxes and certificate cards under your own brand name.