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Mapple Gems Journal

Lab Grown Diamonds

Guides, stories, and answers about lab-grown diamonds, moissanite, and fine jewellery β€” written by our atelier.

Currently reading: 155 stories
Buying a Matched Pair
Featured story

Buying a Matched Pair

The hardest matching problem in jewellery, because both objects are worn at the same height, on the same person, at the same...

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Emerald Cut vs Radiant Cut: Same Outline, Opposite Stones

Emerald Cut vs Radiant Cut: Same Outline, Opposite Stones

Both are rectangles with cropped corners, and from six feet away they are hard to tell apart. Everything underneath is the reverse:...

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Emerald Cut Clarity: The One Shape Where the Grade Really Matters

Emerald Cut Clarity: The One Shape Where the Grade Really Matters

A brilliant hides its inclusions in sparkle. A step cut has no sparkle to hide them in. Why emerald cuts need a...

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The 2 Carat Emerald Cut: What Two Carats Actually Buys You

The 2 Carat Emerald Cut: What Two Carats Actually Buys You

A two carat emerald cut faces up smaller than a two carat round, and the gap is bigger than most buyers expect....

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CVD vs HPHT: Does the Growth Method Matter to a Buyer?

CVD vs HPHT: Does the Growth Method Matter to a Buyer?

Both make real diamond and neither is better once cut. What actually differs, why post-growth treatment is the useful part, and why...

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Choosing a Shape When Price Is Not the Constraint

Choosing a Shape When Price Is Not the Constraint

Much of what people believe about diamond shapes is really a fact about rough yield. Remove the price pressure and the ranking...

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Stone or Metal: Where a Ring's Cost Actually Sits Now

Stone or Metal: Where a Ring's Cost Actually Sits Now

Lab grown prices fell and gold did not, so on many rings the metal now costs more than the stone. What that...

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Marquise vs Oval: Which Elongated Shape Should You Choose?

Marquise vs Oval: Which Elongated Shape Should You Choose?

The marquise converts weight into visible size better than any shape. What that efficiency costs in points, bow-tie, ratio precision and maintenance,...

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Marquise Length-to-Width Ratio: The Narrowest Window of Any Shape

Marquise Length-to-Width Ratio: The Narrowest Window of Any Shape

The marquise has the narrowest acceptable ratio window of any shape, and on this cut the number is structural as well as...

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Why Two Oval Rings With the Same 4Cs Are Priced Differently

Why Two Oval Rings With the Same 4Cs Are Priced Differently

Same carat, colour, clarity and metal β€” and a price gap. Six reasons why, how to check each one, and the only...

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