A Legacy of Trust, A Standard of Excellence
A diamond’s beauty is undeniable, but true value lies in its authenticity. At TESSERA, we believe that every diamond should come with absolute certainty—a guarantee of quality, origin, and ethical sourcing. That is why we uphold the highest standards, ensuring that every diamond we offer is GIA-certified, naturally mined, and conflict-free.
Whether you are investing in an engagement ring, a timeless heirloom, or an everyday piece, certification is your assurance that the diamond you choose is as genuine as the moments it represents.
What Diamond Certification Ensures
A diamond’s certificate is its identity—an official record of its characteristics, proving its quality and authenticity.
Carat, Cut, Color, and Clarity
The precise details that define its rarity and brilliance.
Unique Inscription
A traceable hallmark for verification, ensuring transparency.
Proof of Ethical Sourcing
Assurance that your diamond has been responsibly and sustainably mined.
At TESSERA, we take pride in offering only GIA-certified diamonds, recognized globally for their rigorous grading standards.
A First in the Philippines: TESSERA x IGI Co-Branded Certification
Setting a new benchmark in the fine jewelry industry, TESSERA is the first jewelry brand in the Philippines to partner with IGI (International Gemological Institute) for co-branded certification. This collaboration further solidifies our commitment to delivering authentic, world class diamonds, ensuring that every piece meets the highest global standards.
A certified diamond is more than a luxury—it is a legacy, carrying both emotional and intrinsic value. At TESSERA, we make sure your investment is protected, verified, and worthy of the moments it will celebrate.