Tiara opal diamond ring
Tiara opal diamond ring in 18K Gold. Belle Époque ring set with a beautiful pear-shaped cabochon opal weighing approximately 2.76 carats, framed by rose-cut diamonds. The opal is further highlighted by three old-cut diamonds. A fine Belle Époque “duchess” ring, circa 1900, France.
French hallmarks: owl and mascaron (later marks)
Ring size: 51 EU / 5.5 US (resizing possible)
Opal details
Cut: cabochon
Estimated weight: 2.76 ct
Presumed origin: Australia
Head dimensions: 2.1 × 0.9 cm
Total diamond weight: approx. 0.28 ct
Condition: minor abrasions, light surface wear, original antique setting.
Weight: 3.73 g
Size (FR)
51
Size (US)
5.5
Karats
18
See size chart
Ø (mm)
FR
US
CH-ES-IT
UK
DE
14
Ø (mm)
44
FR
3
US
4
CH-ES-IT
F
UK
14
DE
14.3
Ø (mm)
45
FR
3.5
US
5
CH-ES-IT
G
UK
14 1/2
DE
14.7
Ø (mm)
46
FR
3.75
US
6
CH-ES-IT
H
UK
15
DE
15
Ø (mm)
47
FR
4
US
7
CH-ES-IT
H 1/2
UK
15 1/4
DE
15.3
Ø (mm)
48
FR
4.5
US
8
CH-ES-IT
I
UK
15 1/2
DE
15.6
Ø (mm)
49
FR
5
US
9
CH-ES-IT
J 1/2
UK
15 3/4
DE
15.9
Ø (mm)
50
FR
5.25
US
10
CH-ES-IT
K 1/2
UK
16 1/4
DE
16.2
Ø (mm)
51
FR
5.50
US
11
CH-ES-IT
L
UK
16 1/4
DE
16.5
Ø (mm)
52
FR
6
US
12
CH-ES-IT
M
UK
16 3/4
DE
16.8
Ø (mm)
53
FR
6.5
US
13
CH-ES-IT
N
UK
17
DE
17.2
Ø (mm)
54
FR
6.75
US
14
CH-ES-IT
O
UK
17 1/4
DE
17.5
Ø (mm)
55
FR
7
US
15
CH-ES-IT
P
UK
17 3/4
DE
17.8
Ø (mm)
56
FR
7.5
US
16
CH-ES-IT
P 1/2
UK
18
DE
18.1
Ø (mm)
57
FR
8
US
17
CH-ES-IT
Q
UK
18 1/4
DE
18.4
Ø (mm)
58
FR
8.25
US
18
CH-ES-IT
R
UK
18 1/2
DE
18.8
Ø (mm)
59
FR
8.75
US
19
CH-ES-IT
S
UK
19
DE
19.1
Ø (mm)
60
FR
9
US
20
CH-ES-IT
S 1/2
UK
19 1/4
DE
19.4
Ø (mm)
61
FR
9.5
US
21
CH-ES-IT
T
UK
19 1/2
DE
19.7
Ø (mm)
62
FR
10
US
22
CH-ES-IT
T 1/2
UK
20 1/4
DE
20
Ø (mm)
63
FR
10.25
US
23
CH-ES-IT
U 1/2
UK
20 1/2
DE
20.3
Ø (mm)
64
FR
10.75
US
24
CH-ES-IT
V 1/2
UK
20 3/4
DE
20.6
Ø (mm)
65
FR
11
US
25
CH-ES-IT
W 1/2
UK
21
DE
21
Ø (mm)
67
FR
11.75
US
27
CH-ES-IT
Y
UK
21 3/4
DE
21.3
Ø (mm)
67
FR
11.75
US
27
CH-ES-IT
Y
UK
21 3/4
DE
21.6
Ø (mm)
68
FR
12.25
US
28
CH-ES-IT
Z
UK
21 3/4
DE
22
Ø (mm)
69
FR
12.5
US
29
CH-ES-IT
Z+1
UK
22
DE
Description
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To mainland France :
We ship within 24 hours by registered Colissimo with insurance and delivery against signature. The cost of transport is €10 .
If you want an "Express" delivery, you can choose the Chronopost option for next day delivery. This option is only possible if the order is placed before 4 p.m. Delivery is not guaranteed from Friday to Saturday. The cost of transport is €30 .
Important: Shipments are made on weekdays on working days. In case of a trade fair, shipments may be postponed to a later date (specified on the website). We are in no way responsible for delivery delays from partner companies.
To Europe : shipments are made by registered Colissimo with insurance and delivery against signature. The cost of transport is €15 .
If you want an "Express" delivery, you can choose the Chronopost option for delivery within 48 to 72 hours. The cost of transport is €40 .
To the World : shipments are made via DHL , registered with insurance and delivery against signature. The cost of transport is €35 .
If you want " Express " delivery, you can choose the option which will cost €60 .
Important: International shipments take 6-9 days to be delivered. Express shipments take 2-3 days. Shipments are made on weekdays on working days. In case of a trade fair, shipments may be postponed to a later date (specified on the website). We are not responsible for delivery delays from partner companies. We reserve the right to choose DHL or Fedex for our international shipments. Customs fees may apply upon arrival in your country, we cannot be held responsible for them.
All our jewelry is delivered with a certificate for insurance value. It includes a photo, a complete description of the jewelry, the purchase price and the customer's address. All our stones are appraised by our gemologist, a graduate of the National Institute of Gemmology in Paris. Some stones are accompanied by a French laboratory certificate (this is then specified in the jewelry sheet). The jewelry is carefully checked, a condition report accompanies each description.
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