Wuzhou factory · direct wholesale · MOQ 1 pc service@holycome.com WhatsApp +86 18078079070

Journal · 177 notes

Stones & grading

Written for buyers rather than for search engines: what a specification actually means, where an order usually goes wrong, and what to ask before you pay a deposit.

Stones & grading · Sep 2026

Tourmaline Gemstone Guide: Colors, Value & Heat Treatments

From watermelon to paraiba, tourmaline comes in more hues than almost any gem family. Here is what the bench knows about cuts, treatments, and value.

Tourmaline Gemstone Guide: Colors, Value & Heat Treatments — HOLYCOME journal

Stones & grading · Sep 2026

Spinel Gemstone Guide: The Royal Red & Blue Underdog

Some of history's most famous 'rubies' were actually spinel. Discover this underrated gem's colors, hardness, price, and why it punches above its weight.

Spinel Gemstone Guide: The Royal Red & Blue Underdog — HOLYCOME journal

Stones & grading · Sep 2026

Citrine Gemstone Guide: Heat Treatment, Color, and Value

Most commercial citrine begins as amethyst before heat brings out its golden color. Learn what that treatment means for value, care, and everyday wear.

Citrine Gemstone Guide: Heat Treatment, Color, and Value — HOLYCOME journal

Stones & grading · Sep 2026

Rhodium Plating: Why White Gold and Silver Get It, and How Often It Really Needs Re-Doing

Rhodium plating thickness, wear pattern, and realistic re-plate intervals for rings vs earrings, plus EU nickel-release notes.

Rhodium Plating: Why White Gold and Silver Get It, and How Often It Really Needs Re-Doing — HOLYCOME journal

Stones & grading · Sep 2026

Rutilated Quartz: The Golden Needles Inside a Clear Stone

Rutilated quartz is clear quartz laced with golden rutile needles. Here is what makes a good piece, how it cuts, and how durable it really is.

Rutilated Quartz: The Golden Needles Inside a Clear Stone — HOLYCOME journal

Stones & grading · Sep 2026

Jewelry Stone Matching: Color and Grade Selection

How matched stone lots are built for wholesale programs: color, clarity, carat, and why a matched bag beats loose picks.

Jewelry Stone Matching: Color and Grade Selection — HOLYCOME journal

Stones & grading · Sep 2026

How Jewelry Plating Thickness Is Actually Measured

Microns, microinches, XRF and beta backscatter: how plating thickness on gold- and rhodium-plated jewelry is measured, and what the numbers mean.

How Jewelry Plating Thickness Is Actually Measured — HOLYCOME journal

Stones & grading · Sep 2026

Goshenite: The Colorless Beryl You Have Probably Never Heard Of

What is goshenite? The colorless variety of beryl, its history as a diamond simulant, durability, and how jewelers use it today.

Goshenite: The Colorless Beryl You Have Probably Never Heard Of — HOLYCOME journal

Stones & grading · Sep 2026

Carnelian: The Ancient Orange-Red Quartz, Explained

Carnelian is the orange-red chalcedony used since antiquity. Learn its color, common heat treatment, durability, and how to set and care for it.

Carnelian: The Ancient Orange-Red Quartz, Explained — HOLYCOME journal

Stones & grading · Sep 2026

Tsavorite Garnet: The Durable Green Alternative to Emerald

Tsavorite is the clean, tough green garnet from East Africa. We cover color, carat ceiling, treatments, and why bench jewelers recommend it.

Tsavorite Garnet: The Durable Green Alternative to Emerald — HOLYCOME journal

Stones & grading · Sep 2026

Cabochon vs Faceted Gemstones: Which Cut Is Right?

Faceted stones sparkle; cabochons show color and light play. We explain why opal, turquoise and moonstone are almost never faceted.

Cabochon vs Faceted Gemstones: Which Cut Is Right? — HOLYCOME journal

Stones & grading · Sep 2026

Epidote: The Deep Green Mineral With a Glassy Luster

Epidote is a deep green calcium aluminum silicate, sometimes cut as cat's-eye or in clear faceted stones. Learn its properties and value.

Epidote: The Deep Green Mineral With a Glassy Luster — HOLYCOME journal
Factory directWuzhou workshop, no trading layer
MOQ 1 pieceSamples before bulk
GRA / IGI papersStone grading on request
12–18 daysCustom production window