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The Vintage Vault

Edwardian 7.57ct Old Mine Cut Diamond Solitaire Ring in Platinum, c.1915 – GIA Certified, Taylor Swift Style

Edwardian 7.57ct Old Mine Cut Diamond Solitaire Ring in Platinum, c.1915 – GIA Certified, Taylor Swift Style

$58,200.00 USD
$58,200.00 USD
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Experience the pinnacle of Edwardian elegance with this truly rare solitaire ring, circa 1915. Centered by a massive and magnificent 7.57 carat Old Mine Cut diamond, this antique platinum masterpiece radiates brilliance that’s visible from across the room. The setting—lovingly restored to its original glory—features signature Edwardian craftsmanship, embodying both strength and ethereal beauty so coveted by collectors and modern icons like Taylor Swift.

  • ✨ Design & Details:
  • Era: Edwardian, c.1915 – light, airy, ornate platinum work typical of this golden age of jewelry

 

  • Diamond:
  • Weight: 7.57ct (exact, GIA #6237113648 inscribed)
  • Measurements: 12.27 x 11.67 x 7.43 mm
  • Shape/Cut: Old Mine Cut (antique cushion silhouette, fiery brilliance)
  • Color: N
  • Clarity: I2
  • GIA Report: Yes, confirming natural diamond, authenticity, and quality

 

  • Setting:
  • Solid platinum band (marked “PLAT”), 12.1 mm at widest, tapering to 1.6 mm
  • Height: 7.8 mm off finger for impressive presence
  • Carefully rebuilt prongs; diamond repolished by master cutter Maarten deWitte
  • Size: US 6.5
  • Weight: 6 grams
  • Condition: Freshly restored, expertly cleaned and reset—pristine, ready for a new era of admiration

 

💎 What Makes This Ring Exceptional?

True Gilded Age antique: original Edwardian platinum and design; a testament to early 20th-century jewelry artistry

Ultra-rare, showstopping 7.57ct Old Mine Cut—fire and life in every facet

Heirloom restoration: prongs rebuilt, diamond expertly repolished for maximum brilliance

GIA certification for assurance and value

A piece fit for the stage—whether a collector, antique connoisseur, or channeling Taylor Swift’s signature vintage-glam style


Link for GIA Laboratory Report.

Προβολή όλων των λεπτομερειών
If you have specific delivery needs or timing requests, please contact us. While we strive to ensure timely delivery, we cannot guarantee dates and are not responsible for carrier delays.

Made-to-Order Items
Made-to-order pieces take approximately 4–6 weeks to craft. We’ll email you once your item is ready to arrange delivery.
One-of-a-Kind Items
These unique items are typically ready for pickup or delivery within 24 hours during business hours (Thu–Sat 11–5, Sun 12–5). You’ll receive an email when your order is ready. Please allow up to 2 weeks for resizing prior to shipment.
Local Pickup
Available at our Downtown Mystic Showroom Thursday–Sunday. We’ll email you to schedule your pickup appointment once your order is ready.
Shipping
Once your item is ready, you’ll receive an email with shipping details.
Orders over $1,000 ship via FedEx with adult signature required. Orders over $5,000 must be picked up with valid ID per insurance requirements. We do not ship to PO boxes for orders over $1,000.
All items are fully insured; however, transit times are not guaranteed.
International Orders
Shipped via FedEx or DHL. Buyer is responsible for any applicable taxes and tariffs.
The majority of our rings are one-of-a-kind. If you would like to order a ring in a specific size, please contact us and we will do our best to accommodate your request.
Helping you find the perfect fit is our priority. There is a flat fee of $60 to size down. The sizing-up cost varies based on width of the ring and the amount of material required.
Keep in mind that finger sizes fluctuate due to factors like temperature and time of day. Rings with an open space under the mounting, as well as contour bands, may fit differently than fully round rings.
Ring sizings take 3 weeks before they ship.
Our Petra Star signature pieces are made-to-order using recycled alloys. Custom items are available in the following materials:
* 14k Yellow, Rose & White Gold
* 18k Yellow, Rose & White Gold
* Palladium
* Platinum
If the item you are considering is not available to purchase in your preferred metal/color, please get in touch with us to discuss your specific request.
Our one-of-a-kind items are only available "as is.” We are happy to discuss the options for remaking a similar piece in a different metal to your specifications.
Depending on the light source and viewing angle, the color of natural gemstones may vary. The depiction of color online and in images may not always accurately reflect the colors that are visible in person. Whenever possible, we recommend viewing the item in person to ascertain its true color. 
Schedule a consultation with our in-house designer and owner of Petra Star, Dimitria. We love getting to know you and pairing the perfect piece to your lifestyle and aesthetic.