Sphere Diamond
Signature Eiffel Love Marquise Lab Grown Diamond Engagement Ring | IGI Certified
Signature Eiffel Love Marquise 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
We've Got You Covered
Loved by customers for its elegant design, brilliant diamond sparkle, and fine craftsmanship.
Customer Review
Google Reviews
Signature Eiffel Love Marquise Lab Grown Diamond Engagement Ring
The Signature Eiffel Love Marquise Lab Grown Diamond Engagement Ring by Sphere Diamond is designed for a love story that feels elegant, meaningful, and unforgettable. Featuring a brilliant marquise-cut lab grown diamond, this design creates a graceful elongated look that makes the finger appear slimmer while maximizing sparkle.
Inspired by the refined structure of the Eiffel design, the setting gives the ring a romantic architectural silhouette with a delicate pavé band for extra brilliance. The center diamond is IGI Certified, offering confidence in quality, authenticity, and beauty.
Perfect for couples looking for a Lab Grown Diamond Ring in Bangkok, Marquise Engagement Ring, or Custom Made Engagement Ring Thailand.
Highlights
- Marquise Lab Grown Diamond center stone
- IGI Certified diamond
- Signature Eiffel Love setting
- Elegant pavé diamond band
- Handcrafted by Sphere Diamond Bangkok
- Custom made available
- Lifetime after-sales service
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.







