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06:29 CH - Thứ Sáu | 20/03/2026

The Beauty of the Trilliant Diamond Cut

Key Takeaways

  • The Trilliant diamond cut is a unique triangular cut with curved or straight edges, renowned for its brilliant light reflection and impressive depth effect. It's a distinctive choice that makes the diamond...

The Trilliant diamond cut is a unique triangular cut with curved or straight edges, renowned for its brilliant light reflection and impressive depth effect. It's a distinctive choice that makes the diamond appear larger than its actual weight, offering a modern and luxurious beauty.

Join Jemmia to explore the detailed characteristics and value of the Trilliant cut below.

What is the Trilliant Cut?

The Trilliant (or Trillion) cut is a symmetrical triangular diamond cut featuring 31 to 50 precisely angled facets. Emerging in the mid-20th century, this cut was designed to optimize light reflection, providing a more modern, angular, and brilliant appearance than traditional cuts. With its larger surface area, the Trilliant cut makes the stone appear larger than its actual carat weight. It's often used as a unique center stone or as accent stones to enhance high-end jewelry.

What is the Trilliant Cut?

The Trilliant (or Trillion) cut is a symmetrical triangular diamond cut featuring 31 to 50 precisely angled facets

Characteristics of the Trilliant Cut

The Trilliant cut stands out with its sharp, modern, and distinctive beauty. Designed to maximize light performance, this cut not only creates a signature sparkle but also offers a unique aesthetic, suitable for various luxurious and impressive jewelry designs. Here are the notable characteristics of the Trilliant cut:

  • Shape: The Trilliant cut has an equilateral triangle shape, with corners that can be sharp or rounded depending on the design.
  • Number of Facets: Typically ranging from 31 to 50 facets, which optimize light effects, creating strong brilliance and dispersion​.
  • Light Performance: Thanks to its symmetrical facet arrangement, this cut optimizes light reflection and refraction, making the stone exceptionally brilliant and eye-catching​.
  • Applications: Often used as accent stones alongside main cuts like Oval, Emerald, or Princess. In some cases, the Trilliant cut can also serve as a center stone if it possesses exceptional clarity and color​.
  • Style: It possesses a modern, distinctive style, perfect for unique and standout jewelry designs​.

Characteristics of the Trilliant Cut

Characteristics of the Trilliant Cut

Refer to the Jemmia diamond price list to choose the diamond that best suits your budget. All products are GIA-certified and imported legally, ensuring liquidity and sustainable investment value.

Origin and Development of the Trilliant Diamond Cut

The Trilliant diamond cut as we know it today owes its existence to the Asscher brothers. In 1962, the New York-based company Henry Meyer designed and trademarked this cut. Since then, it has become a common name and a symbol for brilliant triangular cuts.

The optimal number of facets for this cut is considered to be between 31 and 50. The shape is based on an equilateral triangle with typically short, sharply angled facets. This arrangement creates numerous reflective and refractive surfaces, making the stone dazzling and luminous with every ray of light.

Origin and Development of the Trilliant Diamond Cut

Origin and Development of the Trilliant Diamond Cut

Mostly, diamonds with a Trilliant cut serve as accent stones. They highlight diamonds with Emerald, Princess, or Oval cuts. However, in some instances, if the clarity and color are exceptional, the beauty of the Trilliant cut can shine on its own, possessing its own unique allure.

Due to its equilateral triangle shape, this cut provides the stone with significant brilliance and dispersion. The Trilliant cut makes the diamond even more radiant and captivating. Therefore, it is considered an excellent choice for those who love sparkle but want to stand out and be different.

See more: The Enigma Black Diamond - A 2.6 Billion-Year-Old Cosmic Wonder

Comparing Trilliant and Round Brilliant Cuts

To provide a clearer perspective on the differences between the avant-garde Trilliant and the classic Round Brilliant cut, here is a table comparing their basic technical specifications:

CharacteristicTrilliant CutRound Brilliant Cut
ShapeEquilateral triangle (3 sides)Symmetrical circle
Number of Facets31 - 50 facetsTypically 57 - 58 facets
Visual EffectAppears larger than actual caratBalanced, multi-colored sparkle
StyleModern, avant-garde, distinctiveClassic, standard

Where to Buy Trilliant Cut Diamonds?

When investing in diamonds, customers seek not only brilliant beauty but also transparency and lasting value. Jemmia Diamond is proud to be an authorized importer and distributor of genuine diamonds by the Gemological Institute of America (GIA), affirming our position as a leading expert in Vietnam.
  • 100% Legal Transparency: As an authorized GIA partner, Jemmia provides a complete set of 4 documents (GIA Certificate, Customs Declaration, VAT Invoice, Sales Contract) ensuring legal and sustainable asset ownership.
  • Unique Diamond Quality: We select only the top 2% of the world's most beautiful diamonds, meeting strict 4C standards and guaranteeing no structural defects, preserving both aesthetic and investment value.
  • Advanced Verification Technology: We pioneer the use of state-of-the-art GIA USA equipment (GIA iD100, Diamond Dock...) for absolute accuracy in verifying origin and quality.
  • Ethical Sourcing (Kimberley Process): We guarantee 100% ethically sourced diamonds, not mined from conflict zones, respecting humanitarian values and environmental integrity.
  • Optimized Policies: Transparent public pricing and the most competitive buy-back and exchange policies in the market, providing absolute peace of mind for customers when upgrading their products.

The Trilliant cut is an excellent choice for those seeking modern, distinctive beauty and the ability to maximize the perceived size of a diamond. With a structure of 31 to 50 symmetrical facets, this cut not only offers brilliant dispersion but also creates a unique signature for high-end jewelry designs.

To ensure the highest asset value and aesthetic appeal, selecting a reputable supplier is paramount. Jemmia Diamond – GIA Authorized Diamond Experts – is committed to providing officially imported Trilliant diamonds, rigorously inspected by GIA iD100 machines from the USA.

Nhung Hoang

Author: Nhung Hoang

Content Writer Specialist

Nhung Hoang là Content Writer Specialist với hơn 3 năm kinh nghiệm nghiên cứu và phát triển nội dung về kim cương tự nhiên và ngành trang sức. Với nền tảng kiến thức được đào tạo trực tiếp bởi Giám đốc hoạch định GIA của Jemmia Diamond, Nhung Hoang tập trung xây dựng các bài viết chuyên sâu về kim cương GIA, trang sức kim cương và xu hướng trang sức, nhằm mang đến những thông tin chính xác và đáng tin cậy cho người đọc.

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