Gemstone Knowledge

In-depth guides on moissanite, diamond, lab-grown diamond, ruby, sapphire, emerald and aquamarine: properties, origin, pricing and buying.

71 articles total

Ruby Gemstone Guide: Properties, Origin & | Wholesale Guide
Gemstone Knowledge

Ruby Gemstone Guide: Properties, Origin & | Wholesale Guide

Ruby is the red variety of corundum and one of the four precious stones alongside diamond, sapphire, and emerald. This w...
Editorial Team Sep 29, 2026 14 min read
Lab Grown Diamonds: Complete Wholesale Buying Guide
Gemstone Knowledge

Lab Grown Diamonds: Complete Wholesale Buying Guide

Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds, yet they cost a fraction of th...
Editorial Team Sep 29, 2026 15 min read
Diamond 4Cs: Color, Cut, Clarity & Carat Buying Guide
Gemstone Knowledge

Diamond 4Cs: Color, Cut, Clarity & Carat Buying Guide

The 4Cs of diamond grading, color, cut, clarity, and carat weight, are the universal language of the diamond trade. This...
Editorial Team Sep 29, 2026 14 min read
Moissanite Guide: Properties, Origin, Price & Wholesale
Gemstone Knowledge

Moissanite Guide: Properties, Origin, Price & Wholesale

Moissanite has evolved from a rare meteorite mineral into one of the most popular diamond alternatives in fine jewelry. ...
Editorial Team Sep 29, 2026 15 min read
Cubic Zirconia vs Moissanite: Cut, Cost and Fire at Wholesale
Gemstone Knowledge

Cubic Zirconia vs Moissanite: Cut, Cost and Fire at Wholesale

A 1ct CZ and a 1ct moissanite can look similar on a tray. The return rate, the wear rate and the price per carat tell tw...
James Wang Sep 29, 2026 5 min read
Topaz: From Imperial Pink to Mystic Blue, the Full Color Guide
Gemstone Knowledge

Topaz: From Imperial Pink to Mystic Blue, the Full Color Guide

Explore topaz colors: imperial (pink-orange), blue (irradiated), mystic, white, and yellow. Treatment methods, durabilit...
Editorial Team Sep 29, 2026 4 min read
Amethyst and Citrine: The Affordable Quartz Family Beauties
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Amethyst and Citrine: The Affordable Quartz Family Beauties

Complete guide to amethyst (purple quartz) and citrine (yellow quartz): color grading, heat treatment, origins, pricing,...
Editorial Team Sep 29, 2026 4 min read
Tanzanite: The Rare Blue-Violet Gemstone Found in Only One Place
Gemstone Knowledge

Tanzanite: The Rare Blue-Violet Gemstone Found in Only One Place

Discover tanzanite: the rare blue-violet zoisite found only in Tanzania. Color grading, heat treatment, trichroism, pric...
Editorial Team Sep 29, 2026 4 min read
Diamond 4Cs Explained: A Manufacturer's Guide to Quality and Value
Gemstone Knowledge

Diamond 4Cs Explained: A Manufacturer's Guide to Quality and Value

Master the diamond 4Cs from a manufacturing perspective: how cut affects brilliance, color grading, clarity inclusions, ...
Editorial Team Sep 29, 2026 4 min read
Aquamarine: The Complete Guide to the Blue-Green Beryl
Gemstone Knowledge

Aquamarine: The Complete Guide to the Blue-Green Beryl

Everything about aquamarine: color range (blue to blue-green), clarity, heat treatment, origins, pricing, and why it's a...
Editorial Team Sep 29, 2026 4 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.