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- Natural Or Lab Grown Diamonds: A Supplier's Practical View

Natural Or Lab Grown Diamonds: A Supplier's Practical View
They are the same material and they behave identically at the bench. Everything that separates them is commercial, and that is exactly why the decision belongs to you rather than to your factory.
Physically There Is No Difference Worth Designing Around
Lab grown diamond is diamond: same hardness, same refractive index, same behaviour under a torch and under a setter's tools. A setting drawn for a natural stone does not need changing for a lab grown one of the same measurements. This factory states it will build with natural gemstones, lab grown diamonds or natural diamonds, and the bench process is the same either way.
The Price Gap Is The Whole Argument
At the same measurements and grades, lab grown sits far below natural, and that gap has widened over time rather than closed. For a buyer, that means either a much larger stone at the same budget or the same stone at a much lower price. For a retailer, it means a second price tier on an identical design, which is why so many ranges now carry both.
Resale Is Where They Separate
Natural diamonds have an established secondary market. Lab grown, so far, largely does not, and lab grown prices have fallen as production has scaled. If a customer is thinking about the piece as an asset, that is the conversation to have before the order, not after.
Disclosure Is Not Optional
Lab grown stones above melee size are normally laser inscribed as such, and they must be sold as lab grown. Any supplier who is vague about this is a supplier to leave. State it on your own listings too; a customer who discovers it later will not remember that the price told them.
What This Means When You Enquire
Say which you want at enquiry stage rather than after a quotation. It changes the stone cost by a multiple, and on a piece like a 4.65 ct pave pendant or a full eternity band that is most of the invoice.
Products Referenced In This Guide

GIA 1.5 Carat Round Cut Diamond Engagement Ring
A GIA certified 1.50 ct round cut diamond at E colour and VS2 clarity, set in 18K white gold, with production in 10 days or less.
See the specification
18K Diamond Tennis Bracelet, 7 Inches
A 7 inch 18K white diamond tennis bracelet for women or men, with the stones matched in quality and size so the line reads consistently along the wrist.
See the specification
Pavé Diamond Bullet Pendant Necklace
A bullet-form pendant pavé set with 4.65 ct of natural G colour VS1 diamonds in 100 percent 18K solid white gold, from 50 grams of metal, on a matching chain.
See the specificationProduct Families Covered
Questions About This Guide
Can a jeweller tell the difference by eye?
Do you charge differently to set them?
Put This Into Practice
Send what you want made and a recommendation comes back with the matching specifications comes back by email.
