Gemstone Knowledge

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

71 articles total

Lapis Lazuli Gemstone Guide: Color, Pyrite and the Ultramarine Stone - HOLYCOME
Gemstone Knowledge

Lapis Lazuli Gemstone Guide: Color, Pyrite and the Ultramarine Stone - HOLYCOME

Lapis lazuli is a royal blue metamorphic rock speckled with pyrite, source of the historic ultramarine pigment. This gui...
Sarah Lin Sep 30, 2026 11 min read
Moonstone Gemstone Guide: Adularescence, Color and Meaning - HOLYCOME
Gemstone Knowledge

Moonstone Gemstone Guide: Adularescence, Color and Meaning - HOLYCOME

Moonstone is a feldspar that glows with a floating internal light called adularescence. This guide explains where the bl...
Sarah Lin Sep 30, 2026 11 min read
Turquoise Gemstone Guide: Color, Matrix, Stabilization and Care - HOLYCOME
Gemstone Knowledge

Turquoise Gemstone Guide: Color, Matrix, Stabilization and Care - HOLYCOME

Turquoise is an ancient copper-mineral gem prized for sky-blue stones and patterned matrix. This guide covers color grad...
Sarah Lin Sep 30, 2026 11 min read
Opal Gemstone Guide: Play of Color, Origins and Buying Tips - HOLYCOME
Gemstone Knowledge

Opal Gemstone Guide: Play of Color, Origins and Buying Tips - HOLYCOME

Opal is amorphous silica that diffracts light into flickering rainbow color. This guide explains precious vs common opal...
Sarah Lin Sep 30, 2026 12 min read
Ruby Origin and Price - HOLYCOME
Gemstone Knowledge

Ruby Origin and Price - HOLYCOME

Why ruby origin moves price more than any other factor: Mogok, Mong Hsu, Mozambique, and the difference between pigeon's...
Sarah Lin Sep 30, 2026 16 min read
Aquamarine Gemstone Value and Price - HOLYCOME
Gemstone Knowledge

Aquamarine Gemstone Value and Price - HOLYCOME

What actually moves aquamarine price: color saturation, clarity, heat treatment, origin, and the Santa Maria effect, plu...
Sarah Lin Sep 30, 2026 16 min read
Emerald Clarity and Treatments - HOLYCOME
Gemstone Knowledge

Emerald Clarity and Treatments - HOLYCOME

Why emeralds are born included, what the jardin tells you, how oil and resin filling works, and how treatment level move...
Sarah Lin Sep 30, 2026 16 min read
Blue Sapphire Buying Guide - HOLYCOME
Gemstone Knowledge

Blue Sapphire Buying Guide - HOLYCOME

A practical field guide to buying blue sapphire: how color, clarity, heat treatment, and origin move price, and what who...
Sarah Lin Sep 30, 2026 17 min read
Iolite Gemstone Guide - HOLYCOME
Gemstone Knowledge

Iolite Gemstone Guide - HOLYCOME

Iolite is the violet-blue gem legend says guided Norse sailors. This guide explains its strong dichroism, the Viking sun...
David Chen Sep 30, 2026 16 min read
Garnet Gemstone Guide - HOLYCOME
Gemstone Knowledge

Garnet Gemstone Guide - HOLYCOME

Garnet is a whole family of gems, not just the dark January birthstone: red pyrope, orange spessartine, raspberry rhodol...
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.