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Brilliant Cut Diamond Antrobus Solitaire in Platinum
  • Brilliant Cut Diamond Antrobus Solitaire in Platinum

Brilliant Cut Diamond Antrobus Solitaire in Platinum

Handcrafted in Great Britain.
Discover the Pragnell Seal

The Pragnell Seal

At Pragnell, the art of handcrafted jewellery is held in the highest regard, and symbolised by the Pragnell Seal.

In addition to being a guarantee of fine British craftsmanship, the seal shows that the design is exclusive to Pragnell.

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Ring Size Guide

Pragnell’s rings are measured in UK sizes, denoted by a letter. The chart below shows the circumference in millimetres of each ring size, from F to Z. Any Pragnell ring can be crafted in any size for the perfect fit.

F 44.14 F 1/2 44.45
G 45.11 G 1/2 45.74
H 46.02 H 1/2 46.68
I 47.25 I 1/2 47.97
J 48.38 J 1/2 49.32
K 49.64 K 1/2 50.27
L 50.58 L 1/2 51.55
M 51.87 M 1/2 52.50
N 53.16 N 1/2 53.82
O 54.51 O 1/2 54.82
P 55.76 P 1/2 56.45
Q 57.15 Q 1/2 57.65
R 58.47 R 1/2 59.06
S 60.00 S 1/2 60.66
T 61.29 T 1/2 62.33
U 62.89 U 1/2 63.46
V 63.84 V 1/2 64.97
W 65.22 W 1/2 65.78
X 66.54 X 1/2 66.92
Y 67.51 Y 1/2 68.14
Z 68.77 Z 1/2 69.43


Inspired by the designs of the jewellery house Philip Antrobus part of the Pragnell Company. This unique design is the very same that was purchased by the current Duke of Edinburgh for Queen Elizabeth II. The ring features a brilliant cut diamond held in an eight claw setting on the shoulders is a brilliant cut diamond with three diamonds surrounding it. This distinctive pattern draws the eye to the central diamond. The diamond solitaire ring has always been a symbol of enduring love no other piece of jewellery has such strong connotations with romance. Made from finely finished platinum every piece is handcrafted in the Pragnell workshop.


Material Platinum
Principal Stone Diamond
Principal Cut Brilliant
Diamond Colour D
Principal Diamond Clarity VS2
Principal Stone Weight 3.08 ct
Total Weight 3.51 ct
Pragnell Seal Yes

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Brilliant Cut Diamond Antrobus Solitaire in Platinum