Sphere Diamond
Harmony Pear & Emerald Lab Grown Diamond Open Cuff Engagement Ring | IGI Certified
Harmony Pear & Emerald Lab Grown Diamond Open Cuff 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
Harmony Pear & Emerald Lab Grown Diamond Open Cuff Engagement Ring | IGI Certified
The Harmony Pear & Emerald Lab Grown Diamond Open Cuff Engagement Ring is designed to symbolize two unique souls coming together in perfect harmony.
Featuring a graceful Pear Cut Lab Grown Diamond alongside a sophisticated Emerald Cut Lab Grown Diamond, this contemporary open cuff design creates a bold yet elegant engagement ring unlike any traditional solitaire.
Every qualifying center diamond is IGI Certified, ensuring exceptional quality, authenticity, and internationally recognized grading standards. Lab grown diamonds possess the same optical, physical, and chemical properties as mined diamonds while offering a more sustainable and ethical choice.
Expertly handcrafted by Sphere Diamond Bangkok, each ring is made to order and can be customized in your preferred diamond size, precious metal, and finger size.
Features
- Pear Cut Lab Grown Diamond
- Emerald Cut Lab Grown Diamond
- Contemporary Open Cuff Engagement Ring
- IGI Certified Lab Grown Diamond*
- Exceptional Fire & Brilliance
- Available in 18K White Gold
- 18K Yellow Gold
- 18K Rose Gold
- Platinum 950
- Custom Made in Bangkok
- Free Ring Engraving
- Free Ring Resizing
- Free Lifetime Cleaning & Inspection
- Production Time: 7–14 Business Days
- Rush Order Available
*IGI Certificate applies to eligible center diamond sizes.
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.







