Vintage 18k Gold Signet Ring, 2.5ct Natural Yellow Ceylon Sapphire
Vintage 18k Gold Signet Ring, 2.5ct Natural Yellow Ceylon Sapphire
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A refined vintage signet ring in 18k gold, set with a natural yellow Ceylon sapphire of approximately 2.5 carats. Clean, confident, and entirely wearable.
The sapphire is a natural oval Ceylon stone — Sri Lanka being historically the world's most celebrated source of yellow sapphires, known for their warm, luminous golden yellow and the characteristic velvety quality of their color. At 2.5 carats, the stone has genuine presence on the hand.
- Period: Vintage, circa 20th century
- Metal: 18k gold
- Central stone: Natural yellow Ceylon sapphire (Sri Lanka), oval cut, approx. 2.5 carats
- Ring height: 11 mm
- Total weight: 4.1 g
- Size: 53 FR — 6.5 US — M½ UK
- Hallmarks: Eagle's head (French guarantee mark for 18k gold)
- Condition: Very good
Shipping & Delivery
Shipping & Delivery
Worldwide insured shipping included.
Resizing on demand
Resizing on demand
Custom resizing available by quote. Each ring can be adjusted to your perfect size by our expert team.
Authenticity guarantee
Authenticity guarantee
All our pieces are expertly sourced, fully authenticated, and come with a certificate of authenticity made by our in-house gemologist.
Returns & Exchanges
Returns & Exchanges
You have 14 days to request a return or exchange.

Your Premium Experience
Each order is carefully prepared and packaged in an elegant, protective presentation box, including a display case, a travel pouch for rings, and a certificate of authenticity issued by our gemology expert.
To add a personal note, please write it in the “Notes” section when you proceed to checkout.
Each piece of jewelry is shipped with our partner DHL, fully insured for its value and delivered against signature.
Our Promises
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Curated selection
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Expert authentication
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Resizing & support
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Premium packaging
Made to be worn. Meant to be passed on.
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