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GIA Certified 4.15 Carat Oval Thai Sapphire & Diamond in Platinum Vintage Ring
ASSAY
$24,609.00
GIA Certified 4.15 Carat Oval Thai Sapphire & Diamond in Platinum Vintage Ring
Est. Delivery Between: and
Every piece in this collection features a center stone or multiple stones independently certified by one of the world's leading gemological laboratories—GIA, GRS, Gübelin, SSEF, AGL, or equivalent. No exceptions. These are the most reputable gem labs in the world, so you can feel confident knowing that you're getting exactly what's advertised and can protect your investment.
At Assay Jewelers, we specialize in certified gemstone jewelry and GIA certified jewelry featuring exceptional sapphires, diamonds, rubies, and other rare gemstones. Our collection includes pieces with GRS certified gemstones and Gübelin certified gems, ensuring authenticity, quality, and transparency for every purchase.
As a destination for fine jewelry in Miami, we carefully curate extraordinary pieces that combine timeless craftsmanship with independently verified gemstones. Whether you're searching for a statement piece, an heirloom-quality ring, or investment-grade gemstones, our certified jewelry collection offers unmatched confidence and long-term value.
MORE DETAILS
Free overnight shipping ($500+)
Free certificate of appraisal upon request
Free Gift Wrapping
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:
$24,609.00 AUD
Choose Your Offer amount
Insured & Gift-Ready
Every purchase is fully insured for its entire value and shipped with signature required.
Each order comes gift-ready upon request.
Certified Authentic
BBB accredited, Jewelers Board Of Trade member, and Top Rated seller on 6 Marketplaces. We guarantee that every piece is exactly as described, backed by a comprehensive certificate of appraisal and third-party verification upon request.
Featured on...
At Assay, we’re proud to be featured as top sellers across multiple marketplaces (1st Dibs, Chrono24, Etsy, Rubylane and more). No matter where you prefer to shop, you’ll find the same exceptional products and service available on every platform!