Skip to content

S.Diamond 1st Floor Central World

Grand Sale 2026

Skip to product information
1 of 3

S.Diamond

Trinity Signature Diamond Engagement Ring

Trinity Signature Diamond Engagement Ring

Regular price 0.00 ฿ THB
Regular price Sale price 0.00 ฿ THB
Sale Sold out

Trinity Signature Diamond Engagement Ring | GIA Certified Natural Diamond Three-Stone Ring | S.Diamond

Celebrate your eternal love story with the Trinity Signature Diamond Engagement Ring, a deeply meaningful and sophisticated masterpiece designed for a perfect Engagement Ring, Proposal Ring, or wedding ring. Crafted by S.Diamond, a trusted fine jewelry brand with over 40 years of excellence located at CentralWorld, Bangkok, this ring is the ultimate tribute to your shared journey.

This exquisite Natural Diamond Ring features an iconic three-stone Trinity design, meticulously engineered to represent your love's Past, Present, and Future. The balanced setting features three brilliant Round-cut diamonds that are precisely aligned to maximize light performance, allowing the stones to sync beautifully and create breathtaking fire, brilliance, and scintillation. Each center stone is hand-selected and comes with an official GIA Certification, ensuring absolute authenticity, premium quality, and lifetime investment value.


Product Details

  • Diamond Type: Natural Diamond (Conflict-Free)
  • Certification: GIA Certified (Gemological Institute of America)
  • Diamond Size: 0.12 – 5.00 Carat (Fully Customizable)
  • Diamond Shape: Round Brilliant (Meticulously matched for Trinity alignment) / Customizable
  • Metal Options: 18K White Gold / 18K Yellow Gold / 18K Rose Gold / Platinum
  • Ring Style: Symbolic Three-Stone Trinity Engagement Ring
  • Customization: Available upon diamond weight and specifications

Design Highlights

Meaningful Trinity Three-Stone Diamond Ring Design

A beautifully curated romantic design where each of the three diamonds tells a story. The sophisticated architecture of the ring ensures that all three center stones are set at perfect heights and angles, opening up more facets to the light. This creates an exceptional wall of sparkle, making the ring look incredibly radiant and luxurious from every angle.

Signature High Jewelry Craftsmanship

Every single ring is meticulously handcrafted by experienced master jewelers with over 40 years of expertise in fine jewelry craftsmanship. Each detail is carefully refined to create a luxurious engagement ring worthy of your unique love story.

Fully Customizable Ring Setting

Personalize your dream proposal ring by selecting your preferred precious metal, diamond shape, and carat size. Available in 18K White Gold, 18K Yellow Gold, 18K Rose Gold, and Platinum to perfectly match your personal style and skin tone.

Premium Natural Diamond Quality

At S.Diamond, we exclusively select premium natural diamonds certified by GIA for exceptional quality and ultimate confidence.

  • Triple Excellent Cut (3EX) Standard
  • Hearts & Arrows Precision Alignment
  • Superior brilliance, fire, and scintillation
  • Exceptional clarity and eye-clean beauty

Why Choose S.Diamond for Your Engagement Ring?

40+ Years of Fine Jewelry Excellence

With more than four decades of heritage in natural diamond jewelry, S.Diamond has helped countless couples find the perfect engagement ring, wedding ring, and custom diamond jewelry in Thailand.

Lifetime After-Sales Service

Enjoy peace of mind with our complimentary lifetime care services, including professional cleaning, ring polishing, re-plating, prong inspection, and long-term maintenance support at our boutique.

Ethically Sourced & Verifiable Natural Diamonds

All of our diamonds are responsibly sourced and conflict-free. Every GIA-certified diamond features a laser inscription matching the official certificate for complete transparency and trust.


Visit Our Boutique in Bangkok

Experience the breathtaking brilliance of the Trinity Signature collection in person. Visit S.Diamond, 1st Floor, CentralWorld, Bangkok for a personalized consultation with our diamond experts.

View full details