Sphere Diamond
Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified
Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified
Material
Product Details
Product Details
- Metal: White gold 18k/ Yellow gold 18k/ Rose gold 18k/ Platinum
- Diamond type: Lab Grown Diamond
- Carat: 0.3-10+ carats
- Color: D/ E/ F/ G
- Clarity: IF/ VVS1/ VVS2/ VS1/ VS2
- Certification: IGI Certificate
Shipping & Delivery
Shipping & Delivery
- Free Shipping
- Delivered in Discreet Packaging
- Professional Appraisal
- Sphere Diamond Premium Silk Box
- Lifetime Warranty
- Lifetime Cleaning Service
- Resize Service
- FAQ
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Loved by customers for its elegant design, brilliant diamond sparkle, and fine craftsmanship.
Customer Review
Google Reviews
Regalia Cathedral Round Lab Grown Diamond Engagement Ring | IGI Certified
Inspired by the graceful architecture of cathedral arches, the Regalia Cathedral Engagement Ring elevates the center diamond with elegant curves that maximize brilliance while providing exceptional strength. The elevated setting allows more light to enter the diamond, creating remarkable sparkle from every angle.
Crafted in 18K White Gold, Yellow Gold, Rose Gold, or Platinum, every ring is custom made and features an IGI Certified Lab Grown Diamond that is physically, chemically, and optically identical to a mined diamond.
Perfect for proposals, anniversaries, or celebrating life's most meaningful moments, this timeless cathedral setting offers sophisticated elegance with everyday comfort.
Features
- IGI Certified Lab Grown Diamond
- Classic Cathedral Setting
- Round Brilliant Cut Diamond
- Available in 18K White, Yellow, Rose Gold or Platinum
- Custom Made (7–14 Days)
- Free Ring Engraving
- Lifetime Cleaning, Polishing & Inspection
- Complimentary Luxury Gift Box
- Designed by Sphere Diamond Bangkok
Sphere Diamond specializes in Lab Grown Diamond Rings in Bangkok, offering beautifully handcrafted jewelry for modern couples. Whether you're looking for an Engagement Ring Bangkok, Lab Grown Diamond Bangkok Thailand, or a personalized Custom Made Ring, our expert team is ready to create a ring that tells your unique love story.
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Signature Collection
Inspired by timeless strength and elegance of the Eiffel-Tower, a symbol of enduring love at the heart of Paris, Meticulously crafted to cradle your diamond with grace, and illuminate every moment of your love story
Product Questions
Frequently Asked Questions
Is the diamond IGI or GIA certified?
Yes.
Sphere Diamond lab-grown diamonds are IGI certified, while natural diamonds are GIA certified. Each certificate verifies the diamond’s cut, color, clarity, and carat weight for complete transparency and confidence.
Can I customize the center diamond?
Absolutely.
You can personalize the diamond shape, carat size, color, clarity, and metal type to create a ring that reflects your personal love story.
How long does production take?
Most new custom-made rings require approximately 7–14 business days, depending on the design and diamond selection. Ready-to-wear pieces may be available immediately.
Do you offer resizing?
Yes.
We offer ring resizing services to ensure the perfect fit. Our team will guide you through sizing before and after purchase if needed.
Is this ring available in Platinum?
Yes.
This design can be crafted in Platinum 950, 18K White Gold, 18K Yellow Gold, or 18K Rose Gold.
Can I view the ring in person at CentralWorld?
Yes.
You are welcome to visit our official boutique at CentralWorld Bangkok for a private consultation and to experience the ring in person.
Do you provide worldwide shipping?
Yes.
We offer secure worldwide shipping with careful packaging and full insurance coverage for selected destinations.
What is the warranty policy?
All Sphere Diamond jewelry comes with lifetime after-sales service support, including cleaning, inspection, and professional care recommendations. Warranty terms may vary depending on the product type and customization.







