Not Just Forever — Yours, Uniquely.

Natural Diamonds with Character, Story, and Soul

We have never been interested in diamonds simply because they are diamonds.

What interests us is the stone itself.

The shape of the rough. The way it handles light. The things nature left inside. The cutting decisions that can turn something familiar into something completely unexpected.

At Caleb B. Quashen International, our natural diamond collection ranges from classic colorless diamonds to heavily included Salt & Pepper material, warm champagne and brown diamonds, historic-inspired cuts, geometric shapes, and stones that refuse to fit neatly into any category.

Some are incredibly clean.

Some are full of inclusions.

Some were cut for brilliance.

Others were cut because the rough suggested something stranger.

Every one earns its place individually.

Diamonds Beyond the Standard

There is nothing wrong with a beautiful traditional diamond.

We carry them.

We love them.

But diamonds are capable of far more than one look.

For generations, much of the diamond world has focused on standardization — familiar shapes, carefully defined proportions, and grading characteristics designed to make one stone easier to compare with another.

Those things can be useful.

They are not the entire story.

A diamond can be unusual in color, heavily included, asymmetrical, antique-inspired, or cut in a way that would never fit neatly into a conventional comparison chart and still be extraordinary.

Sometimes those are the diamonds we remember most.

Colorless Diamonds

There is a reason the classic white diamond has endured.

A beautifully cut colorless diamond can be remarkably bright, crisp, and alive. When the material and cutting work together, light becomes the entire experience.

Our white diamond collection includes traditional material as well as stones with unusual cuts, proportions, and characteristics that give the classic colorless diamond a little more personality.

We respect the classic.

We just do not believe classic has to mean ordinary.

Salt & Pepper Diamonds

Some diamonds tell their story on the inside.

Salt & Pepper diamonds contain visible natural inclusions that can appear as scattered black crystals, clouds, feathers, wisps, smoke, or entire landscapes within the stone.

Traditionally, many of those features would be considered flaws.

Sometimes we think they are the best part.

The right inclusion pattern can turn a diamond into something that could never be replicated. Icy whites, smoky grays, silver, charcoal, and nearly black stones can all fall within this incredibly varied category.

No two really behave the same way.

That is exactly the appeal.

Champagne, Brown & Naturally Colored Diamonds

Not every diamond needs to be colorless.

Natural diamonds can carry warmth ranging from the faintest champagne tones to honey, cognac, tobacco, deep brown, and colors that become difficult to describe with a single word.

These diamonds often have an entirely different presence from traditional white stones.

Some feel soft and understated.

Others are rich, dark, and dramatic.

The color can also interact beautifully with metal choice, which makes these stones especially interesting for custom jewelry.

Yellow gold may amplify the warmth.

White metals can create contrast.

Sometimes the finished design begins with nothing more than seeing the color of the diamond and knowing it deserves to be built around.

Mughal, Antique-Inspired & Unusual Cuts

Long before modern diamond cutting became standardized, cutters worked much more closely with the natural shape of the rough.

We are deeply drawn to that philosophy.

Mughal-inspired diamonds, rose cuts, portrait cuts, old-style facets, geometric shapes, freeforms, and unconventional outlines all allow the original material to have a stronger voice in the finished stone.

Broad facets may create slower flashes of light.

An unusual outline may preserve a part of the crystal that would otherwise disappear.

An inclusion may become something to design around rather than something to remove.

Sometimes the rough tells you exactly what it wants to become.

The difficult part is knowing when to listen.

Cut Changes the Diamond

Cut is one of the most powerful decisions made after a diamond leaves the Earth.

Two pieces of similar material can become completely different stones depending on how they are oriented, proportioned, and faceted.

Modern brilliant cuts can create tremendous sparkle and fast movement.

Step cuts can produce broad, architectural reflections.

Rose cuts can open a window into included material.

Historic-inspired facet patterns can create slower flashes that feel entirely different from modern commercial cutting.

And occasionally, none of the established patterns are the right answer.

That is when cutting becomes particularly interesting.

We do not believe every stone should be forced into the same template.

Sometimes maximizing beauty means sacrificing weight.

Sometimes preserving the rough matters more.

Sometimes the most interesting feature inside the diamond is exactly the thing you design the cut around.

Natural Inclusions & Individuality

Diamonds are natural crystals, and nature rarely works without leaving evidence behind.

Internal crystals, feathers, clouds, graining, and other characteristics can tell part of the diamond's formation story.

In traditional grading, clarity describes the presence and visibility of those features.

We pay attention to clarity.

We just do not believe it should be confused with beauty.

A highly included diamond can still have remarkable life.

A clean diamond can still be visually uninteresting.

And two diamonds with nearly identical grading information can look completely different when you actually hold them.

The report matters.

The diamond matters more.

Choosing a Loose Diamond

We are strong believers in choosing the stone before designing the jewelry.

When you begin with a loose diamond, you are not limited by a setting that already exists.

You can look at the stone's exact shape, proportions, color, facet pattern, inclusions, and personality and let those things influence what comes next.

That approach is particularly valuable with unusual diamonds.

An asymmetrical diamond may inspire a completely different ring than a traditional round.

A warm brown stone might dictate the metal.

An included portrait cut may need a setting that allows light to travel through it.

A strange little geometric diamond may become something no one would have designed without seeing the stone first.

Find the diamond.

Then build around it.

Diamonds for Designers, Collectors & Custom Jewelry

We work with private clients, jewelers, designers, and collectors looking for natural diamonds that are difficult to find through conventional channels.

Sometimes the request is straightforward — a particular size, shape, or color.

Sometimes it is much less so.

A strange inclusion.

A specific piece of rough.

An unusual outline.

A diamond that looks ancient.

Something dark.

Something imperfect.

Something no one else is likely to have.

Those requests are usually the fun ones.

Our inventory changes constantly as new material is sourced and new stones are cut. If you have something specific in mind and do not see it in the collection, tell us what you are looking for.

We may already know where to start.

Responsible Sourcing

A beautiful gemstone should not require us to ignore the people behind it.

We work with suppliers, cutters, miners, and industry partners where relationships, transparency, and responsible practices matter.

The gemstone supply chain can be complicated, and provenance varies from stone to stone. When detailed origin or sourcing information is available for an individual diamond, we believe that information should be shared honestly.

We would rather be transparent about what we know than invent a story about what we do not.

That principle guides the way we source across our entire collection.

One Diamond at a Time

There is no single type of diamond we are trying to collect.

That would defeat the purpose.

Some make their way to us because they are exceptionally beautiful examples of something classic.

Some because of their color.

Some because of what is trapped inside.

Some because a cutter made an unusual decision.

And some because the rough became something we could not have predicted before the first facet was placed.

We are not looking for diamonds that are interchangeable.

We are looking for the ones you remember.

Natural Diamond Questions

Are all of your diamonds natural?

Unless an individual listing specifically states otherwise, the diamonds in this collection are natural diamonds. Product descriptions should always be reviewed for the specific characteristics, treatments, grading information, and origin information available for each stone.

What is the difference between a natural diamond and a lab-grown diamond?

Natural diamonds form within the Earth over extremely long periods of time under intense heat and pressure. Lab-grown diamonds are created using technological processes that reproduce the conditions necessary for diamond crystal growth. Both are diamond material, but they have very different origins.

Do you sell traditional white diamonds?

Yes. Our collection includes classic colorless diamonds as well as more unconventional material. Even within our white diamonds, we tend to gravitate toward stones with interesting cuts, proportions, or individual character.

What are Salt & Pepper diamonds?

Salt & Pepper diamonds are natural diamonds containing visible inclusions. Those inclusions can range from scattered dark crystals to clouds, feathers, and dense patterns that become a major part of the diamond's appearance.

What are Mughal cut diamonds?

Mughal-style diamonds draw inspiration from historic Indian diamond cutting traditions that often worked around the natural form of the rough. They tend to have broader facets, organic outlines, and a very different interaction with light from standardized modern brilliant cuts.

Can a heavily included diamond still be beautiful?

Absolutely.

Clarity is one characteristic of a diamond, not a final judgment of beauty. Some included diamonds have exceptional transparency and life, while others are compelling specifically because of their visible internal patterns.

Each stone needs to be judged individually.

Can I use one of your loose diamonds for a custom engagement ring?

Yes. We frequently recommend selecting the loose diamond first and designing the ring around the individual stone. This is especially useful for unusual shapes, antique-inspired cuts, included diamonds, and one-of-a-kind material.

Can CBQ source a diamond that is not on the website?

Yes. We work with private clients, jewelers, and designers looking for specific natural diamonds and unusual material. If you have a particular size, color, shape, cut, inclusion pattern, or overall aesthetic in mind, contact us and tell us what you are trying to find.