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This antique and vintage diamond ring is something completely unique!! It features a prong-set diamond that's VERY old, dating to the 1700s, known as a Peruzzi cut. In layman's terms it's a fantastic fat wonky old mine cut! These are almost impossible to find, and very cool!

This ring is so shiny it was hard for my camera to capture it well!

Metal(s) Used: White Gold
Hallmarks: None, tested and guaranteed to be at least 14K solid.
Weight (total): 2.9g
Rise: 8.04mm
NS: 9.15mm
EW: 18.60mm
Band(s): 2.39mm to 1.65mm
Ring Size (approx): 5
Resizable? Yes could go up to 8 or so? By your local jeweler
Setting Condition: Excellent

Stone: Diamond (tested)
Shape: Peruzzi, an early type of old mine cushion cut, circa mid 1700s
Dimensions: 5.53mm by 4.80mm by 3.10
Estimated Carat Weight: ? between .40 and .60. I don't have a chart for this cut.
Estimated Clarity: I1 (several carbon specks at sides, center is clear)
Estimated Color: J
CONDITION ISSUE: This diamond has two chips! One at the girdle and another under one prong. I have priced the ring accordingly!

Stone(s): White spinels, single-cut
Quantity: 6
Size(s): .03 carat each
Quality Level: Excellent
Accent Stones Condition: Very Good. Occasional surface wear not visible to naked eye.

Time Period: Ring made circa 1930s, diamond cut mid 1700s
Country of Origin: Most likely English (came to me from England)
Purpose: Engagement Ring, April Birthstone, Anniversary, Cocktail

Payments from CONFIRMED US accounts only, please!

Seriously interested? Be sure to visit here for more helpful info:

Don't forget to visit my shop to see more Auld Baubles! :-D

Frequently asked questions about AuldBaubles

Vintage/Antique baby/children's jewelry almost certainly does not meet metals safety standards for youngsters of today. Therefore I can only sell it for adult use.

I cannot guarantee sterility of earring posts/hooks/wires (and/or other pieces where this may be an issue). Please purchase and use at your own risk.

May try to sell you work your ring doesn't need! Be on your guard, refer to Item Details for info re: prongs and bands.

Colors may display inaccurately on screens.
RING SIZES are approximate, due to jewelers' ring sizing mandrels not being completely standardized.

STONE SIZES are necessarily estimates, because in most cases, I cannot measure the depth of a stone due to its being in a setting. I measure the diameter (or length and width) of a stone with digital calipers, and estimate its carat weight from its span.

BANGLE SIZE: Please note the inner diameter for the bangle. I suggest you cut out a mock-up on sturdy cardboard to see how it will fit you before ordering.
The outer packaging is discreet, nobody will know there is jewelry inside.

I do not use my shop name on the return address; this is for the item's safety in transit and for privacy on arrival, as jewelry items are often bought as gifts.

Pieces are sent in small carton boxes tied with rustic string, or cushioned inside handmade wrapping paper gift bags.

Antique Diamond WG Engagement Ring: Peruzzi Cut, Old Mine Cut. English Beauty


  • Vintage item from the 1930s
  • Materials: White Gold, Diamond, 14K, Solid Gold, Peruzzi Cut
  • Only ships within United States.
  • Feedback: 361 reviews
  • Favorited by: 93 people