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Insights & Guides

The Guru Diam Blog

Expert articles on lab-grown diamonds, wholesale sourcing strategies, and the latest trends shaping the jewelry industry.

Diamond Industry Statistics Explained
16 min read

Diamond Industry Statistics Explained

What diamond industry statistics actually measure, where the reliable figures come from, and how wholesale buyers can use them without misreading the data.

Diamond Infinity Necklaces: Sourcing Guide
15 min read

Diamond Infinity Necklaces: Sourcing Guide

How jewelers source diamonds for infinity necklace production — pendant vs. line construction, melee sizing, chain pairing, and wholesale pricing.

Diamond Infinity Rings: Sourcing Guide
15 min read

Diamond Infinity Rings: Sourcing Guide

How jewelers source diamonds for infinity ring production — melee sizing for the infinity motif, setting styles, and wholesale pricing.

4.5 Carat Lab-Grown Diamond Price Guide
18 min read

4.5 Carat Lab-Grown Diamond Price Guide

What drives 4.5 carat lab grown diamond price at this size — cut, color, clarity tradeoffs, illustrative trade ranges, and wholesale sourcing tips.

4.5 Carat Natural Diamond Price
15 min read

4.5 Carat Natural Diamond Price

What drives 4.5 carat natural diamond pricing: the 4Cs, carat-weight breakpoints, shape, and certification, plus wholesale sourcing guidance.

Is a Diamond a Good Investment?
15 min read

Is a Diamond a Good Investment?

An honest look at diamond as an investment: liquidity, price history for natural vs. lab-grown, certification's role, and what actually holds value.

Choosing a Diamond Jewelry Manufacturer
18 min read

Choosing a Diamond Jewelry Manufacturer

What a diamond jewelry manufacturer does and how to vet one — MOQs, turnaround, certification, and white-label options for trade buyers.