WELCOME TO CALEB B. QUASHEN INT

THE WORLD'S LEADING SUPPLIER OF EARTH'S MOST UNIQUE DIAMONDS & GEMSTONES

ETHICALLY SOURCED
& ETHICALLY PRICED

LEARN MORE ABOUT WHAT MAKES US DIFFERENT

ONE OF A KIND /
OBSCURE DIAMONDS

FIND YOUR UNIQUE DIAMOND

BUYING TIPS & INDUSTRY
INSIGHTS

And big, beautiful imagery
view our new blog post on sapphire heat treating

BEAUTY

IS

Everywhere

HONESTLY AND ETHICALLY

SOURCED FROM ALL ENDS OF THE WORLD

Using the term 'ethical' when describing sourcing has become common place amongst the industry. We go further, ensuring ethics do not stop at our sourcing but also translate in to how we price our pieces for you, our clients. All while remaining dedicated to equitable relationships with the communities we work with around the world.

OUR MOST SHOPPED SECTIONS

Ethically sourced natural diamonds — antique and geometric cuts with unique character — CBQ International.
All Diamonds
Ethically sourced sapphire collection — Madagascar, Montana, Sri Lanka, Tanzania, Nigeria, Afghanistan, Kenya — Caleb B. Quashen International.
Sapphires from All Origins
Rare ethical gemstones in full spectrum color — Caleb B. Quashen International.
The Complete Gemstone Collection

New Arrivals

View all
Macro photo of a 0.42 carat D color VVS clarity trapezoid step cut diamond pair from South Africa placed on a dark mineral matrix. The untreated diamonds exhibit crisp step facets, geometric precision, and mirror-like brilliance.
0.42CTW Matched Diamond Pair: D VVS Trapezoid Step Cut
$1,470.00
Macro photograph of 0.38 carat G–H color VVS clarity trapezoid step cut diamond pair from South Africa resting on black crystal matrix. The untreated diamonds showcase clean step faceting, sharp symmetry, and high brilliance.
0.38CTW Matched Diamond Pair: G-H VVS Trapezoid Step Cut
$1,330.00
Macro image of a 0.34 carat F–G color VVS clarity trapezoid step cut diamond pair from South Africa resting on a black crystal matrix. The untreated diamonds display sharp step faceting, bright reflections, and precise symmetry.
0.34CTW Matched Diamond Pair: F-G VVS Trapezoid Step Cut
$1,190.00
Macro image of 0.34 carat G color VVS clarity trapezoid step cut diamond pair from South Africa resting on a black mineral crystal surface. The untreated diamonds show sharp step facets, geometric brilliance, and exceptional clarity.
0.34CTW Matched Diamond Pair: G VVS Trapezoid Step Cut
$1,190.00
View all
99 products

BOLD CUTS

Specializing in custom and obscure

While we offer traditional cuts and material, we love to create one of a kind, customized cuts that allow the natural traits of stones to come to life. Sometimes a stone just screams what it wants to be simply listen.

GUIDANCE IN COLLABORATION

WE WORK WITH THOUSANDS OF JEWELERS & DESIGNERS ALL AROUND THE GLOBE

IF YOU WISH TO HAVE CUSTOM MADE JEWELRY, CONTACT US AND WE CAN HELP TO CONNECT YOU
CONTACT US