Antique Platinum Old Mine Cut Diamond Engagement Ring
A rare and exceptional antique engagement ring centered on a 1.21 carat GIA-certified old mine cut diamond, hand-cut in the late 19th century and set in solid platinum. Old mine cut diamonds are prized for their individuality — each stone shaped by hand, with broad facets that produce a soft, candlelit glow unlike any modern cut.
The diamond’s generous proportions and distinctive faceting give it a presence that feels both substantial and intimate. Its warmth and character are hallmarks of true antique stones, celebrated for their depth, movement, and unmistakable sense of history.
The platinum setting is finely constructed and accented with additional diamonds, creating a balanced composition that enhances the center stone without competing with it. Platinum was the metal of choice for the finest jewelry of the era, valued for its strength, longevity, and understated elegance.
Accompanied by a GIA eReport, this ring offers both rarity and reassurance — an increasingly uncommon combination in genuine antique jewelry. Carefully preserved and presented in excellent condition, it is equally suited for a discerning collector or as a singular engagement ring meant to be worn and cherished for generations.
Details
Era: Late 19th century
Metal: Solid platinum
Center Stone: Old Mine Cut Diamond
Certification: GIA eReport #2235596149
Accent Stones: Diamond accents (round brilliant and lozenge cuts)
Ring Size: 6.00
Total Weight: Approx. 3.90 grams
Condition
Excellent antique condition with light, age-appropriate wear. Stones and setting are secure. The ring presents beautifully and remains structurally sound for regular wear.
Please Note,
All pieces are vintage or antique and may show signs of age. I do my best to photograph and describe each item clearly, including any visible wear. Stones and metals are tested when possible. I’m not a certified gemologist, but I buy from trusted sources and regularly consult with my jeweler.
Please review details carefully and message me with any questions before purchase.
Thank you for supporting small, slow, beautiful things. ✨
Antique Platinum Old Mine Cut Diamond Engagement Ring
A rare and exceptional antique engagement ring centered on a 1.21 carat GIA-certified old mine cut diamond, hand-cut in the late 19th century and set in solid platinum. Old mine cut diamonds are prized for their individuality — each stone shaped by hand, with broad facets that produce a soft, candlelit glow unlike any modern cut.
The diamond’s generous proportions and distinctive faceting give it a presence that feels both substantial and intimate. Its warmth and character are hallmarks of true antique stones, celebrated for their depth, movement, and unmistakable sense of history.
The platinum setting is finely constructed and accented with additional diamonds, creating a balanced composition that enhances the center stone without competing with it. Platinum was the metal of choice for the finest jewelry of the era, valued for its strength, longevity, and understated elegance.
Accompanied by a GIA eReport, this ring offers both rarity and reassurance — an increasingly uncommon combination in genuine antique jewelry. Carefully preserved and presented in excellent condition, it is equally suited for a discerning collector or as a singular engagement ring meant to be worn and cherished for generations.
Details
Era: Late 19th century
Metal: Solid platinum
Center Stone: Old Mine Cut Diamond
Certification: GIA eReport #2235596149
Accent Stones: Diamond accents (round brilliant and lozenge cuts)
Ring Size: 6.00
Total Weight: Approx. 3.90 grams
Condition
Excellent antique condition with light, age-appropriate wear. Stones and setting are secure. The ring presents beautifully and remains structurally sound for regular wear.
Please Note,
All pieces are vintage or antique and may show signs of age. I do my best to photograph and describe each item clearly, including any visible wear. Stones and metals are tested when possible. I’m not a certified gemologist, but I buy from trusted sources and regularly consult with my jeweler.
Please review details carefully and message me with any questions before purchase.
Thank you for supporting small, slow, beautiful things. ✨
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