Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
What is a triangle shaped diamond called?
1 Answer

A triangle shaped diamond is called a Triangular brilliant or a Trilliant or Trillion. They are cut so that there are three equally straight sides and are often cut from shallow double crystals.
1stDibs ExpertFebruary 22, 2021
Shop for Triangle Cut Diamond on 1stDibs
Platinum & 18 kt. Ring With 2.88 ct. Emerald Cut, 2 Triangle Cut Diamonds
Located in Antwerp, BE
Magnificant Platinum & 18 kt. Ring With 2.88 ct. Emerald Cut, 2 Triangle Cut Diamonds
Diamond
Category
21st Century and Contemporary Belgian Modern Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
WEMPE - 18k yellow gold ring set with sapphire 1.10ct and triangle cut diamond
By Wempe
Located in The Hague, ZH
WEMPE - 18k yellow gold ring set with sapphire 1.10ct and triangle cut diamond up to. 0.80ct - ring
Category
2010s Dutch Modern Fashion Rings
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
$1,719 Sale Price
20% Off
Free Shipping
Enticing Triangle Cut Diamond Gold Earrings
Located in New York, NY
Made of 14k white gold, these earrings feature two trilliant cut diamonds that weigh approximately
Category
Late 20th Century Stud Earrings
Materials
Diamond, 14k Gold, White Gold
GRS Certified 4.82ct Cushion Cut Blue Sapphire and Triangle Cut Diamond Ring
Located in Hong Kong, HK
Blue, Sri Lanka
2 Triangle Cut Diamonds: Carat total weight 1.02
Diamond quality: D-F color, VS
Category
2010s Hong Kong Modern Engagement Rings
Materials
Blue Sapphire, Diamond, White Gold, 18k Gold
$19,200 / item
Free Shipping
Platinum setting for 1-1.3 carat diamond w/ emerald & triangle cut diamonds
Located in Surfside, FL
Platinum setting for 1 - 1.3 carat diamond w/ emerald & triangle cut accent diamonds. Ring size 5
Category
20th Century Engagement Rings
Materials
Platinum
14 Karat Triangle Diamond Dangle Pendant
By Gregory Mikaelian & Sons, Inc.
Located in Los Angeles, CA
14 karat Triangle diamond dangle pendant, containing 2 triangle cut diamonds weighing .90pts. and
Category
2010s American Contemporary Drop Necklaces
Materials
Diamond, 14k Gold