The Guru Diam Blog

Marquise Cut Lab-Grown Diamonds Wholesale

Wholesale Lab-Grown Diamonds NYC

New York's diamond trade is compressed into a few blocks and a handful of high-rise buildings, but the sourcing decisions retailers, designers, and independent jewelers make there ripple out across the entire tri-state market and beyond.

Wholesale Lab-Grown Diamonds Los Angeles

Los Angeles jewelers, retailers, and designers need a diamond source they can call more than once — not a single stone from a marketplace, but a working supply relationship that holds up order after order.

Dutch Marquise Diamonds Wholesale Guide

A Jeweler's Guide to Custom Replica & Inspiration Rings

When a customer slides a phone across the counter and asks "can you make this?", the right answer is almost always yes — as long as you know what you're actually replicating and what you're not.

What "No Minimum Order" Actually Means for a Jewelry Manufacturing Partner

"No minimum order" is one of the most misused phrases in jewelry manufacturing. Here's what it actually needs to mean before you build a one-off around it, and the five questions that separate a real policy from a marketing line.

How CAD Approval Works Before Casting (and Why Skipping a Round Costs You)

A rubber-stamped CAD approval is the single biggest cause of remakes in outsourced custom jewelry — here's exactly what to check at each revision round before you sign off.

How to Set Custom Jewelry Delivery Promises You Can Actually Keep

The gap between what your manufacturing partner promises and what you promise the customer is where trust breaks. Here's how to quote a date you can actually keep.

Custom Jewelry Markup Pricing Guide for Retailers

A practical framework for pricing custom jewelry sourced from an outsourced manufacturer — landed cost, markup logic, and the pricing mistakes that quietly erode margin on one-off work.