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Round|Natural|IGI

1.20ct J VVS1 Round Natural Diamond

EX • J/VVS1 • IGI 644412936

Shape and cutting style on the report: Round brilliant

Certificate IGI 644412936

Diamond specifications and retailer prices

From £1,606 GBP
As of November 6, 2026
Save £2,086 GBP (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,456 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 644412936. Listed at 21 retailers as of November 2, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 644412936
Dimensions6.93 × 6.89 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.93 mm6.89 mm1.20 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 644412936
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,606 GBP|Low: £1,606 GBP|High: £3,696 GBP|Avg: £2,224 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 1£1,606 GBP
Retailer 11£1,809 GBP
Retailer 3£1,887 GBP
Retailer 6£1,919 GBP
Retailer 5£1,944 GBP
Retailer 2£1,948 GBP
Retailer 13£2,066 GBP
Retailer 4£2,213 GBP
Retailer 10£2,259 GBP
Retailer 9£2,448 GBP
Retailer 7£2,462 GBP
Retailer 8£2,572 GBP
Retailer 12£3,692 GBP

26 data points across 13 retailers

21 retailers£1,606 GBP to £3,692 GBP

A
Cheapest Retailer
-
£1,606 GBP
A
Retailer 2
-
£1,809 GBP
View
A
Retailer 3
-
£1,887 GBP
View
A
Retailer 4
-
£1,919 GBP
View
A
Retailer 5
-
£1,944 GBP
View
Final sale: no returns
A
Retailer 6
-
£1,948 GBP
View
A
Retailer 7
-
£2,066 GBP
View
Retailer 8
-
£2,132 GBP
View
Price last confirmed 29 days ago
Retailer 9
-
£2,132 GBP
View
Price last confirmed 50 days ago
Retailer 10
-
£2,132 GBP
View
Price last confirmed 25 days ago
B+
Retailer 11
-
£2,213 GBP
View
Retailer 12
-
£2,213 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£2,259 GBP
View
B+
Retailer 14
-
£2,448 GBP
View
Retailer 15
-
£2,459 GBP
View
Price last confirmed 45 days ago
Retailer 16
-
£2,459 GBP
View
Price last confirmed 28 days ago
B+
Retailer 17
-
£2,462 GBP
View
B+
Retailer 18
-
£2,572 GBP
View
B
Retailer 19
-
£3,692 GBP
View
Retailer 20
-
£4,456 GBP
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
da819ea7-cb2a-4851-aa6c-ceeffa25d1e8 · Sep 28
£4,456 GBP
$5,998 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from £1,606 GBPSave up to £2,086 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.20ct Round
£1,606 GBP