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HOME
Engagement Rings
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Cushion Cut Diamond
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Asscher Cut Diamond
Asscher Cut Diamond
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Marquise Cut Diamond
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Engagement Ring Guide
Earrings Guide
Pendant Guide
Necklace Guide
Bracelet Guide
Bangle Guide
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  • 18K White Gold Guide
  • 18K Rose Gold Guide
  • 18K Yellow Gold Guide
  • Platinum Guide
  • 9K vs 14K vs 18K Gold Guide
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Diamond Ring

Discover the Sparkle of Forever

At Sphere Diamond, each diamond ring is more than just a piece of jewelry — it’s a timeless symbol of love, milestones, and memories. Crafted with precision and passion, our lab-grown diamond rings combine exceptional brilliance with ethical beauty. Whether you're celebrating a once-in-a-lifetime proposal or honoring a personal journey, find the perfect ring that reflects your story — elegantly and responsibly.

  • Signature Eiffel Love Round Lab Grown Diamond Engagement Ring with IGI Certified Diamond in 18K White Gold by Sphere Diamond Bangkok Thailand Side profile of Signature Eiffel Love Round Lab Grown Diamond Engagement Ring featuring an IGI Certified round brilliant diamond

    Signature Eiffel Love Round Lab Grown Diamond Engagement Ring | IGI Certified

    Signature Eiffel Love Round Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring by Sphere Diamond Bangkok featuring an IGI Certified oval diamond in an elegant pavé band 18K white gold setting. Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring | IGI Certified

    Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring | IGI Certified

    Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • Regalia Cathedral Round Lab Grown Diamond Engagement Ring in 18K White Gold | IGI Certified Lab Grown Diamond | Sphere Diamond Bangkok Thailand Cathedral Setting with Round IGI Certified Lab Grown Diamond Engagement Ring in 18K White Gold by Sphere Diamond Bangkok

    Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified

    Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond in 18K White Gold | IGI Certified | Sphere Diamond Bangkok Side profile of V Solitaire Round Lab Grown Diamond Engagement Ring showing hidden side diamond and elegant V setting in 18K White Gold

    V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond | IGI Certified

    V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond | IGI Certified

    Price upon request
View all
  • Signature Eiffel Love Round Lab Grown Diamond Engagement Ring with IGI Certified Diamond in 18K White Gold by Sphere Diamond Bangkok Thailand

    Signature Eiffel Love Round Lab Grown Diamond Engagement Ring | IGI Certified

    Signature Eiffel Love Round Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring by Sphere Diamond Bangkok featuring an IGI Certified oval diamond in an elegant pavé band 18K white gold setting.

    Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring | IGI Certified

    Signature Eiffel Love Oval Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • Regalia Cathedral Round Lab Grown Diamond Engagement Ring in 18K White Gold | IGI Certified Lab Grown Diamond | Sphere Diamond Bangkok Thailand

    Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified

    Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified

    Price upon request
  • V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond in 18K White Gold | IGI Certified | Sphere Diamond Bangkok

    V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond | IGI Certified

    V Solitaire Round Lab Grown Diamond Engagement Ring with Hidden Side Diamond | IGI Certified

    Price upon request
View all

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Sphere Diamond Education

Jewelry Guide

Explore expert guides for lab grown diamond rings, earrings, necklaces, pendants, bracelets, bangles and precious metals.

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Jewelry Categories

  • Engagement Ring GuideShapes, settings, 4Cs and custom design
  • Wedding Ring GuideBands, eternity rings, metals and matching
  • Earrings GuideStuds, hoops, drops, backs and sizing
  • Pendant GuideSolitaire, halo, chains and lengths

More Jewelry Guides

  • Necklace GuideTennis, Riviera, station and layering
  • Bracelet GuideTennis, flexible links, fit and clasps
  • Bangle GuideRigid, hinged, open and stacking styles
  • Complete Jewelry GuideStart here for the full education hub

Jewelry Materials

  • Material GuideCompare all precious-metal options
  • 18K White GoldBright, versatile and contemporary
  • 18K Yellow GoldClassic warmth and timeless color
  • 18K Rose GoldSoft blush tone and modern romance
  • PlatinumNaturally white and substantial
Featured Education

How to Choose Lab Grown Diamond Jewelry

Compare jewelry categories, diamond quality, materials, fit and care in one complete guide.

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Lab grown diamond fine jewelry · CentralWorld Bangkok
Engagement Rings Earrings Necklaces Bracelets