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The Custom Tri-Cut Diamond. A new diamond cut inspired by our original silhouette, refined with additional facets to bring it to life in a completely new way.

This is more than a diamond. It is a reflection of everything we have built, and everything still to come.

Shop The Diamond

1.02 Carats | The Custom Tri- Cut Diamond by UbyKate

1.02 Carats | The Custom Tri- Cut Diamond by UbyKate

$2,706.00
$2,706.00
1.03 Carats | The Custom Tri- Cut Diamond by UbyKate

1.03 Carats | The Custom Tri- Cut Diamond by UbyKate

$2,706.00
$2,706.00
2.03 Carats | The Custom Tri- Cut Diamond by UbyKate

2.03 Carats | The Custom Tri- Cut Diamond by UbyKate

$5,412.00
$5,412.00
2.03 Carats | The Custom Tri- Cut Diamond by UbyKate

2.03 Carats | The Custom Tri- Cut Diamond by UbyKate

$5,412.00
$5,412.00
3.02 Carats | The Custom Tri- Cut Diamond by UbyKate

3.01 Carats | The Custom Tri- Cut Diamond by UbyKate

$8,118.00
$8,118.00
3.02 Carats | The Custom Tri- Cut Diamond by UbyKate

3.02 Carats | The Custom Tri- Cut Diamond by UbyKate

$8,118.00
$8,118.00
4.02 Carats | The Custom Tri- Cut Diamond by UbyKate

4.02 Carats | The Custom Tri- Cut Diamond by UbyKate

$10,823.00
$10,823.00
4.02 Carats | The Custom Tri- Cut Diamond by UbyKate

4.03 Carats | The Custom Tri- Cut Diamond by UbyKate

$10,823.00
$10,823.00
5.03 Carats | The Custom Tri- Cut Diamond by UbyKate

5.03 Carats | The Custom Tri- Cut Diamond by UbyKate

$13,529.00
$13,529.00
The Tri- Cut Diamond Duet Ring - Yellow Gold | UbyKate

The Tri- Cut Diamond Duet Ring - Yellow Gold | UbyKate

from $19,423.00
from $19,423.00
The Tri- Cut Diamond Duet Ring - Rose Gold | UbyKate

The Tri- Cut Diamond Duet Ring - Rose Gold | UbyKate

from $19,423.00
from $19,423.00
The Tri- Cut Diamond Duet Ring - White Gold | UbyKate

The Tri- Cut Diamond Duet Ring - White Gold | UbyKate

from $19,423.00
from $19,423.00
The Tri- Cut Diamond Ring - 18ct Yellow Gold | UbyKate

The Tri- Cut Diamond Ring - 9ct Yellow Gold | UbyKate

from $5,232.00
from $5,232.00
The Tri- Cut Diamond Ring - 18ct Yellow Gold | UbyKate

The Tri- Cut Diamond Ring - 18ct Yellow Gold | UbyKate

from $6,645.00
from $6,645.00
The Tri- Cut Diamond Ring - 9ct Rose Gold | UbyKate

The Tri- Cut Diamond Ring - 9ct Rose Gold | UbyKate

from $5,232.00
from $5,232.00
The Tri- Cut Diamond Ring - 18ct Rose Gold | UbyKate

The Tri- Cut Diamond Ring - 18ct Rose Gold | UbyKate

from $6,645.00
from $6,645.00
The Tri- Cut Diamond Ring - 9ct White Gold | UbyKate

The Tri- Cut Diamond Ring - 9ct White Gold | UbyKate

from $5,232.00
from $5,232.00
The Tri- Cut Diamond Ring - 18ct White Gold | UbyKate

The Tri- Cut Diamond Ring - 18ct White Gold | UbyKate

from $6,645.00
from $6,645.00

A diamond like you’ve never seen

After 24 years in the making, our signature Tri-Cut has evolved into something entirely new - now officially certified by the International Gemological Institute. Designed by Kate Sutton, this proprietary diamond cut enhances brilliance, fire, and individuality beyond traditional shapes.

A true expression of craftsmanship and legacy, the Custom Tri-Cut Diamond is a design that is entirely our own - created to last forever.

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