The Journal

An IGI laboratory grown diamond report opened flat on a white desk with the loose oval diamond it describes sitting on it.

What a grading report actually tells you

A grading report is one page of numbers and abbreviations, and most of it is doing less work than you think. Two lines on it decide how the stone actually...

What a grading report actually tells you

A grading report is one page of numbers and abbreviations, and most of it is doing less work than you think. Two lines on it decide how the stone actually...

The top of an IGI report showing the seal and the heading Laboratory Grown Diamond Report.

Lab grown and natural: what actually differs

The short answer is that they are the same material, and almost everything else people tell you about the difference is either about price or about feelings. Here is what...

Lab grown and natural: what actually differs

The short answer is that they are the same material, and almost everything else people tell you about the difference is either about price or about feelings. Here is what...

Two round brilliant diamonds side by side under the same light; the right stone has dark inclusions across the table.

Why two diamonds with the same specs look diffe...

Put two one carat stones side by side. Same colour grade, same clarity grade, same shape, same certificate from the same lab. One of them will look brighter than the...

Why two diamonds with the same specs look diffe...

Put two one carat stones side by side. Same colour grade, same clarity grade, same shape, same certificate from the same lab. One of them will look brighter than the...

A yellow gold solitaire engagement ring with a single round brilliant diamond held in four prongs.

Ring styles, from solitaire to three stone

Style is the silhouette: what the ring looks like from across a table. Setting is the engineering underneath, and that is a separate subject. This is the silhouette, and what...

Ring styles, from solitaire to three stone

Style is the silhouette: what the ring looks like from across a table. Setting is the engineering underneath, and that is a separate subject. This is the silhouette, and what...

A wide yellow gold band with a textured surface, photographed on a dark green surface.

Metals, and how each one ages

Four choices, and the differences between them are mostly about what happens in year five rather than what happens on day one. Here is how each one actually behaves over...

Metals, and how each one ages

Four choices, and the differences between them are mostly about what happens in year five rather than what happens on day one. Here is how each one actually behaves over...

Seven diamond shapes photographed side by side and labelled: round, oval, emerald cut, cushion, pear, princess and marquise.

Every diamond shape, and who each one suits

There are ten shapes you will realistically choose between, and most of the advice about them is about taste. This is the other part: what each one does with light,...

Every diamond shape, and who each one suits

There are ten shapes you will realistically choose between, and most of the advice about them is about taste. This is the other part: what each one does with light,...