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Why choose Jemmia?

In the context of the Vietnamese diamond market being in its formative stage, Jemmia proudly pioneers the establishment of a transparent, international-standard diamond purchasing process to ensure customer peace of mind with every ownership choice. 

SUPERIOR DIAMOND STANDARDS

Every diamond at Jemmia undergoes a rigorous selection process according to the 4Cs standards from GIA (Gemological Institute of America) - the world's leading reputable gemstone appraisal organization.

Jemmia believes that diamonds are not just jewelry, but also eternal symbols that mark important milestones and reflect the owner's class. Therefore, we only accept the top 2% of high-standard diamonds globally, to ensure the beauty and lasting value of the diamond you own.

Jemmia's premium GIA natural diamond selection standards:

StandardGIA Diamonds over 3.6mmMelee Diamonds 
ColorFrom I color up From H color up 
FlorescenceFrom None to Medium From None to Medium 
Cut Triple Excellent Cut (Ex Cut, Ex Symmetry, Ex Polish)Very Good and up 
Clarity From VS2 and up From VS2 and up

 

Jemmia diamonds are specifically free from flaws that affect their durability, natural structure, and value (Indented natural, Chip, Cavity, Twinning Wisp, Bearding). 

high standard diamonds at jemmia

High-standard diamonds at Jemmia Diamond

TRANSPARENCY IN ORIGIN WITH COMPLETE LEGAL DOCUMENTS

At Jemmia, each diamond not only shines with beauty but also boasts transparency in its origin and legal status. Customers can feel completely secure in their ownership with a set of 4 transparent documents proving origin, ensuring value for future transactions or investments: 

  • GIA Appraisal Certificate
  • Official Customs Declaration & Sales Invoice 
  • Sales Contract

Jemmia diamonds with superior GIA standards

 

Why does a quality diamond require these 4 types of documents? 
 
  • GIA Appraisal Certificate: This is a GIA certificate issued by the Gemological Institute of America (GIA). It is the world's leading reputable appraisal document, providing complete information about the 4Cs (Cut, Color, Clarity, Carat) as well as many other important characteristics of the diamond. The GIA certificate is clear scientific proof of the diamond's quality and serves as the foundation for preserving its true value throughout the ownership journey. 
  • Official Customs Declaration & Sales Invoice: These are important legal documents proving that Jemmia diamonds are officially imported through customs and have fulfilled all tax obligations and procedures with the State.
  • Sales Contract: This is an important legal basis that helps customers feel secure about their ownership rights and provides clarity on after-sales policies and buy-back/exchange programs.
 
At Jemmia, transparency in origin and diamond quality is not just a commitment, but the foundation for building lasting trust with our customers. Therefore, we always prioritize legal standards and ensure that Jemmia diamonds possess global value. 

 

PIONEERING THE MOST MODERN MACHINERY SYSTEM FROM GIA

Jemmia is proud to be the first unit in Vietnam to be equipped with GIA-standard diamond appraisal machinery, directly imported from GIA. This is the most advanced technology used by the Gemological Institute of America (GIA) to inspect every microscopic detail within the diamond that the naked eye cannot see.

  • GIA ID 100: Distinguishes natural diamonds from other types.
  • GIA Match iD: Verifies GIA-certified diamonds and checks inscription numbers on the GIA system.
  • GIA Diamond Dock: Evaluates and authenticates the color grade of the diamond using standardized lighting.
  • GIA Gemolite® NXT: GIA's most advanced equipment, accurately and comprehensively analyzing and identifying the diamond's cut and clarity using a gemological microscope. 

Customers visiting Jemmia can witness firsthand the transparent and accurate GIA-standard diamond appraisal process, ensuring absolute peace of mind when owning genuine quality diamonds.

 

INTERNATIONAL STANDARD DIAMONDS INTERSECTING WITH DESIGNS HONORING VIETNAMESE ESSENCE

Jemmia is dedicated to bringing high-end collections that inherit the essence of Vietnamese heritage, combined with international standard diamonds, exquisite craftsmanship, and contemporary design language.

  • Phoenix Dance: Originating from the majestic image of a phoenix soaring on the "Song Phụng Thọ" screen. This work celebrates the omnipotent beauty of modern women, skillfully balancing every role in life.
  • Collections themed around the National Flower - Lotus Essence, Lotus Brilliance, Lotus Elegance, Lotus Eminence: Praising the noble beauty, humble yet strong spirit of Vietnamese women.
  • Ngu Phuc, Loc An, Phuc Duyen: Inspired by the beauty and spirit of apricot and peach blossoms, these collections carry profound messages of luck, happiness, and success.

Vu Khuc Thien Phuong Collection Jemmia

 

Masterpiece Phoenix Dance - The Unique Phoenix, Soaring to Greatness

The intersection of international standards and Vietnamese essence is Jemmia's commitment: to offer customers unique diamond jewelry that meets global quality standards while being rich in emotion and Vietnamese cultural depth.
 

TRANSPARENCY IN CONSULTATION EXPERTISE

The team of consultants at Jemmia is professionally trained and holds numerous international certifications from GIA - the Gemological Institute of America, the world's leading reputable gemstone appraisal organization: 

  • Diamond Essentials
  • Jewelry Essentials
  • Diamonds & Diamond Grading
  • Diamond Grading Lab

Certificates issued by GIA form the foundation for Jemmia's specialists to provide knowledge-based, transparent, and reliable consultations. As a result, each customer fully understands the quality, value, and true beauty of their diamond.

Consultants at Jemmia have undergone advanced GIA training

The team of consultants at Jemmia is professionally trained and holds numerous international certifications from GIA

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