Contact us to speak with our jewelry experts today
Questions
Call or Text: (305) 788-3019
Or email us: info@assayjewelers.com
GRS Certified 5.04 Carat Sri Lanka Vivid Blue Sapphire & Diamond 18K White Ring
ASSAY
¥381,555.00
GRS Certified 5.04 Carat Sri Lanka Vivid Blue Sapphire & Diamond 18K White Ring
Est. Delivery Between: and
GRS-certified 5.04 carat round vivid blue Sri Lanka sapphire prong-set in an 18K white gold double diamond halo cocktail ring, featuring 32 round brilliant accent diamonds and measuring 15.7mm x 16.5mm across the face. Size 7.5, adjustable.
Product Specifications:
- Item Type: Cocktail Halo Ring
- Metal: 18K White Gold
- Size: 7.5 (adjustable)
- Weight: 7.50 grams
- Ring Dimensions: 15.7mm x 16.5mm (total face)
- Shank Style: Plain Tapered
- Setting Style: Four-Prong Center with Double Pave Diamond Halo
- Certification: GRS/GIA Certificate
- Origin: Sri Lanka (Ceylon)
- Period: Vintage (1990)
Center Stone Details:
- Type: Natural Blue Sapphire
- Carat: 5.04 carats
- Color: Vivid Blue (Heat treated — H, per GRS)
- Origin: Sri Lanka (Ceylon)
- Cut: Round Brilliant
- Certification: GRS Certificate GRS2023-089437 / GIA #5222754974
- Setting: Four-Prong
Accent Stone Details:
- Type: Natural Diamond
- Quantity: 32 stones
- Cut: Round Brilliant
- Setting: Double Pave Halo — two rows surrounding the center sapphire
- Note: Larger outer halo diamonds and smaller inner halo diamonds create a tiered, dimensional double-halo effect with exceptional brilliance
About the Setting:
The 18K white gold mounting features a bold architectural double halo — an inner row of smaller round brilliant diamonds and an outer row of larger round brilliant diamonds — creating a tiered, dome-like crown that elevates the center sapphire with dramatic depth and sparkle. The four-prong center setting lifts the 5.04 carat sapphire cleanly above the halo platform, allowing light to enter the stone from all sides and maximizing the gem's vivid blue saturation. The plain tapered shank keeps the design focused entirely on the jeweled face, ensuring the sapphire and diamond halo remain the undisputed focal point from every angle.
About the Stones:
The 5.04 carat Sri Lanka sapphire is GRS-certified as vivid blue — the highest color designation in the GRS grading system — placing this stone among the most desirable sapphires in the world by both origin and color grade. Ceylon sapphires are historically the most prized sapphire origin, known for their pure, cornflower-to-vivid blue hues with exceptional transparency and brilliance that no other origin consistently replicates. This stone carries heat treatment (H) notation per GRS, which is the accepted and standard enhancement for fine sapphires and does not diminish its value or collectibility among serious buyers. The 32 surrounding round brilliant diamonds in the double halo amplify the sapphire's blue through contrast, framing it in white fire that draws the eye immediately to the deep, commanding center gem.
MORE DETAILS
Contact us or fill out our custom jewelry form.
USA: 2-5 business days (USPS/FedEx)
Canada: 4-8 business days
Australia: 5-10 business days
Europe: 4-8 business days
Other countries: 6-10 business days
Our layaway plan is 100% free and you don't have to apply or qualify for it. We simply require a 10% down payment then you will have 1-6 months to pay the remainder of the balance. Weekly, bi-weekly or monthly installment payments are available. You can pick and choose your own payment plan to find an option that works for you. Your order will be shipped to you as soon as it is paid in full. More Details Here.
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
Non-Returnable Items: Certain items are ineligible for return, including:
- Resized or personalized items (e.g., engraved pieces).
- Pieces that are Custom-Made or Made To Order.
- Items purchased using an installment plan.
More Details Here
Make An Offer
List Price:
¥381,555.00 CNY
Choose Your Offer amount
Thank You
Your offer has been submitted. We'll be in touch shortly.
Speak to an Expert
Direct access to our GIA Graduate Gemologist and Watchmaker.
Speak to an Expert
Consult directly with our on-staff GIA Graduate Gemologist and Watchmaker. With an owner in the trade since 1983, expert guidance is always available.
Certificate of Appraisal
Every piece comes with proof of authenticity and value.
Certificate of Appraisal
Every piece includes a certificate of appraisal confirming authenticity, documenting value, and providing trusted documentation accepted by insurance companies.
Industry Accredited
BBB, Diamond Dealers Club, JBT, & RapNet members
Industry Accredited
We're accredited by the Better Business Bureau, hold membership in the Jewelers Board of Trade, and are verified members of RapNet, the diamond industry's leading trading network. These credentials reflect our standing and accountability within the trade, not just to our customers, but to the industry itself.
4 Global Locations
Visit us in Miami, New York, Key West, or Hong Kong.
4 Global Locations
Visit us in person at any of our four locations in Key West, Downtown Miami, New York, or Hong Kong for personalized service.
Find out more and schedule an appointment at your nearest location here
Fast Shipping
Most orders ship within 24–48 hours.
Fast Shipping
Most in-stock pieces ship within 24–48 hours, with FedEx overnight delivery available on orders $500+. Contact us for expedited shipping options.
See full shipping policy here
Real People, Real Answers
Text, call, or email our team directly.
Real People, Real Answers
Connect directly with our knowledgeable team by text, phone, or email. We’re here to answer your questions before or after your purchase.
Contact us page here
Insured & Gift-Ready
Every purchase is shipped fully insured for its entire value and shipped with signature required.
Each order comes gift-ready upon request.
One of One
Most jewelry is made to be sold many times over. Ours isn't. We source rare vintage and estate pieces, and craft the rest ourselves in-house.
Verified & accredited
Credentials you can verify.
Trusted On Every Platform
We’re proud to be featured as top sellers across multiple marketplaces. No matter where you prefer to shop, you’ll find the same exceptional products and service available on every platform!