Sphere Diamond
Round Six-Prong Cathedral Solitaire Lab Grown Diamond Engagement Ring in White Gold
Round Six-Prong Cathedral Solitaire Lab Grown Diamond Engagement Ring in White Gold
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: 1 carats above 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
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Round Six-Prong Cathedral Solitaire Lab Grown Diamond Engagement Ring
Celebrate a love that lasts forever with the Round Six-Prong Cathedral Solitaire Lab Grown Diamond Engagement Ring by Sphere Diamond. This timeless engagement ring combines the brilliance of a round-cut lab grown diamond with an elegant white gold setting, creating a sophisticated symbol of love and commitment.
Designed for those seeking a lab grown diamond engagement ring in Bangkok, Thailand, this classic solitaire features a six-prong setting, gracefully elevated cathedral shoulders, and delicate diamond accents along the gallery bridge beneath the center stone.
Timeless Solitaire Design with Hidden Details
The round brilliant diamond takes center stage, secured by six elegant prongs that showcase its sparkle from multiple angles. The polished white gold band creates a clean, refined silhouette, allowing the center diamond to remain the focal point.
From the side, the cathedral-inspired setting rises gracefully toward the diamond. A beautifully detailed gallery bridge with miniature diamond accents adds a subtle touch of brilliance, making this engagement ring just as captivating from the side as it is from the front.
Ring Design Highlights
- Center Diamond: Round Brilliant Lab Grown Diamond
- Setting: Classic Six-Prong Solitaire
- Ring Structure: Elevated Cathedral-Style Shoulders
- Hidden Detail: Diamond-Accented Gallery Bridge
- Metal: White Gold, with 18K gold options
- Diamond Certification: IGI certification available for qualifying center diamonds
- Customization: Diamond size, quality, ring size, and metal color
Custom Made Lab Grown Diamond Engagement Rings in Bangkok
At Sphere Diamond, we believe every love story deserves a ring that feels personal. Whether you prefer a delicate solitaire or a statement diamond, our team can help you customize your engagement ring according to your preferred diamond size, quality, setting, and budget.
Our lab grown diamond engagement rings are available in white gold, yellow gold, and rose gold, with personalized options to create your ideal proposal ring.
Why Choose Sphere Diamond?
Sphere Diamond is a Bangkok fine jewelry brand specializing in lab grown diamond engagement rings, wedding rings, and custom made diamond jewelry. Backed by nearly 40 years of fine jewelry experience through S.Diamond, our team combines jewelry craftsmanship with personalized diamond selection.
Visit our boutique at CentralWorld, 1st Floor, Bangkok, Thailand to explore diamond shapes, compare sizes, and find the perfect ring for your special moment.
Frequently Asked Questions
Can I customize the diamond size?
Yes. Sphere Diamond offers customizable lab grown diamond engagement rings, allowing you to choose your preferred diamond size and quality according to your budget.
What makes a six-prong engagement ring special?
A six-prong setting provides six contact points around the diamond while preserving the classic appearance of a solitaire engagement ring.
Where can I buy a lab grown diamond engagement ring in Bangkok?
You can visit Sphere Diamond at CentralWorld, 1st Floor, Bangkok, to explore lab grown diamond rings and discuss custom engagement ring designs.
Discover your forever ring at Sphere Diamond — Personalize Your Love Story.
Contact Diamond Specialist

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.
