Sphere Diamond
Graduated Round Diamond Drop Necklace
Graduated Round Diamond Drop Necklace
Material
Product Details
Product Details
- Metal: White gold 18k/ Yellow gold 18k
- 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
Graduated Round Lab Grown Diamond Necklace
The Graduated Round Lab Grown Diamond Necklace by Sphere Diamond showcases timeless elegance with a beautifully balanced sequence of Round Brilliant Lab Grown Diamonds. The graduated design gently increases in diamond size toward the center, creating exceptional brilliance while naturally enhancing the neckline.
Expertly handcrafted in Bangkok, Thailand, each necklace is created using carefully selected premium lab grown diamonds that deliver outstanding fire, brilliance, and sustainable luxury. The refined graduated silhouette offers effortless sophistication, making it perfect for everyday elegance as well as weddings, celebrations, and formal occasions.
Features
- Premium Round Brilliant Lab Grown Diamonds
- Elegant graduated diamond necklace design
- Exceptional brilliance and light performance
- Luxury fine jewelry craftsmanship
- Available in 18K White Gold, Yellow Gold and Rose Gold
- Custom made to your preferred total carat weight and necklace length
- Handcrafted by experienced master jewelers
- Lifetime cleaning, inspection and after-sales service
Why Choose Sphere Diamond?
Sphere Diamond is a leading specialist in Lab Grown Diamond Jewelry in Bangkok, Thailand. Every necklace is handcrafted using premium lab grown diamonds selected for exceptional brilliance, ethical sourcing, and timeless beauty.
Visit our boutique at CentralWorld Bangkok to compare diamond sizes and customize your own Graduated Diamond Necklace with guidance from our diamond specialists.
Perfect For
- Luxury everyday jewelry
- Wedding jewelry
- Bridal jewelry
- Anniversary gifts
- Birthday gifts
- Luxury evening wear
- Fine jewelry collectors
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
Are the diamonds certified?
Yes.
Lab-grown diamonds weighing 1.00 carat and above come with an IGI certificate, which independently verifies the diamond's cut, color, clarity, and carat weight.
Diamonds below 1.00 carat are carefully selected and inspected according to Sphere Diamond's strict quality standards to ensure excellent brilliance, craftsmanship, and overall appearance.
What chain or bracelet length should I choose?
Most necklaces and bracelets are crafted in standard lengths designed for comfortable everyday wear.
If you require a different fit, our team can help adjust the length after purchase by adding or removing links or extending the chain where applicable.
Can I customize the diamond size or design?
Absolutely.
You can personalize the diamond size, diamond shape, and overall design to create a jewelry piece that reflects your personal style and story.
What metal options are available?
This design is available in 18K White Gold and 18K Yellow Gold.
Both options offer excellent durability and are suitable for everyday wear while maintaining a luxurious fine jewelry appearance.
Is this necklace or bracelet suitable for everyday wear?
Yes.
Our necklaces and bracelets are designed for everyday wear. To keep your jewelry looking its best, we recommend avoiding exposure to harsh chemicals and removing it before heavy exercise or swimming.
How long does production take?
Most custom-made pieces require approximately 7–14 business days, depending on the design and customization requirements.
Selected ready-to-wear styles may be available for immediate purchase.
Do you provide worldwide shipping?
Yes.
We offer secure worldwide shipping with careful packaging to ensure your jewelry arrives safely and beautifully presented.
Can I visit your showroom in Bangkok?
Yes.
You are welcome to visit our official Sphere Diamond boutique on the 1st Floor of CentralWorld, Bangkok, where our jewelry specialists can assist you in person and help you explore our collection.
