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Round|Natural|IGI

1.20ct F IF Round Natural Diamond

EX • F/IF • IGI 539221118

Shape and cutting style on the report: Round brilliant

Certificate IGI 539221118

Diamond specifications and retailer prices

From £3,623 GBP
₹462,277 INR
As of October 31, 2026
Save £3,997 GBP (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £8,294 GBP at NZ Jewellers · As of September 21, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 539221118. Listed at 18 retailers as of October 30, 2026, with a 110% 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
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 539221118
Dimensions6.76 × 6.81 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.76 mm6.81 mm1.20 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 539221118
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: Oct 31
Current: £7,620 GBP|Low: £3,613 GBP|High: £7,620 GBP|Avg: £4,851 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8£3,623 GBP
Retailer 11£3,934 GBP
Retailer 4£3,973 GBP
Retailer 3£4,153 GBP
Retailer 9£4,206 GBP
Retailer 10£4,243 GBP
Retailer 2£4,429 GBP
Retailer 5£4,953 GBP
Retailer 12£5,257 GBP
Retailer 7£5,598 GBP
Retailer 6£6,713 GBP
NZ Jewellers£7,620 GBP

37 data points across 12 retailers

18 retailers£3,623 GBP to £7,620 GBP

A
Cheapest Retailer
-
£3,623 GBP
₹462,277 INR
A
Retailer 2
-
£3,934 GBP
€5,020 EUR
View
A
Retailer 3
-
£3,973 GBP
$5,324 USD
View
A
Retailer 4
-
£4,153 GBP
$5,564 USD
View
A
Retailer 5
-
£4,206 GBP
$5,635 USD
View
Final sale: no returns
A
Retailer 6
-
£4,243 GBP
$5,685 USD
View
A
Retailer 7
-
£4,429 GBP
View
A
Retailer 8
-
£4,556 GBP
$6,105 USD
View
A
Retailer 9
-
£4,556 GBP
$6,105 USD
View
A
Retailer 10
-
£4,556 GBP
$6,105 USD
View
A
Retailer 11
-
£4,953 GBP
€6,320 EUR
View
Retailer 12
-
£4,959 GBP
$6,644 USD
View
Price last confirmed 45 days ago
A
Retailer 13
-
£5,257 GBP
$7,044 USD
View
B+
Retailer 14
-
£5,598 GBP
ZAR 121,174 ZAR
View
Retailer 15
-
£5,722 GBP
$7,667 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
£6,713 GBP
View
B
Retailer 17
-
£7,620 GBP
$10,210 USD
View
Most Expensive
NZ Jewellers
f218e2d9-c0e7-4e11-8ff5-25c6fdf0f830 · Sep 21
£8,294 GBP
$11,113 USD
View
Price last confirmed 41 days ago
17 more retailers have this diamond
Prices start from £3,623 GBPSave up to £3,997 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
£3,623 GBP