40111 Platinum Oval Sapphire Ring 4.54ct Sapphire - 1.38ct Diamonds

Bold oval sapphire ring with 4.54ct Sri Lankan center stone and 1.38ct diamonds in platinum. Handmad... View All Details

¥1,700,000
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Designed for maximum impact, this 13.22g platinum ring showcases a 4.54ct oval-cut sapphire in a sleek cathedral setting. The vivid blue gemstone—enhanced by natural heat treatment—is paired with 1.38ct of dazzling white diamonds, creating a timeless yet powerful silhouette.

Made in Japan with nickel-free Pt900, the ring is resizable from 6.5 to 16.5 and features a high-gloss polish. It’s a modern heirloom for those who want their jewelry to speak volumes, yet remain grounded in ethical craftsmanship.

SKU: ZJP37878-000-9600874
Inventory Type: single piece
Maximum Width: 15.0
Minimum Width: 5.4
Height: 7.3
Ring Size: 11.5
Resizable: Yes
Minimum Size: 6.5
Maximum Size: 16.5
Product Gross Weight: 13.22
Ring Style: Single Stone
Country of Manufacture: Japan
Metal Purity 900
Metal Finish Glossy Polished
Metal Weight 12.03 GM
Nickel free Yes
Center Stone
Center stone trade name Sapphire
Center stone weight 4.540 CT
Center stone stone colour Blue
Center stone stone shape Oval
Center stone size 10.8*7.7*5.5 MM
Center stone piece count 1
Center stone enhancement Natural
Center stone processing method Heat
Side Stone
Trade name Diamond
Weight 1.38 CT
Stone colour Clear
About the seller
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Located in Kofu, JP

Established in 2025

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