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Round|Natural|GIA

1.20ct J IF Round Natural Diamond

EX • J/IF • GIA 6555502554

Certificate GIA 6555502554

Diamond specifications and retailer prices

From £2,312 GBP
HK$24,200 HKD
As of November 1, 2026
Save £2,818 GBP (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,436 GBP at NZ Jewellers · As of October 3, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555502554. Listed at 21 retailers as of November 1, 2026, with a 122% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555502554
Dimensions6.77 × 6.72 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.77 mm6.72 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555502554
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 1
Current: £3,456 GBP|Low: £2,293 GBP|High: £5,274 GBP|Avg: £3,361 GBP|-1.2%
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 1, 2026
Retailer 2£2,312 GBP
Retailer 6£2,418 GBP
Retailer 11£2,744 GBP
Retailer 3£2,831 GBP
Retailer 9£2,922 GBP
Retailer 10£3,093 GBP
Retailer 7£3,178 GBP
Retailer 5£3,345 GBP
Retailer 1£3,456 GBP
Retailer 12£3,502 GBP
Retailer 4£3,602 GBP
Retailer 13£3,771 GBP
Retailer 8£5,130 GBP

30 data points across 13 retailers

21 retailers£2,312 GBP to £5,130 GBP

A
Cheapest Retailer
-
£2,312 GBP
HK$24,200 HKD
A
Retailer 2
-
£2,418 GBP
₹308,530 INR
View
B+
Retailer 3
-
£2,744 GBP
$3,677 USD
View
B+
Retailer 4
-
£2,831 GBP
$3,793 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,866 GBP
$3,840 USD
View
B+
Retailer 6
-
£2,922 GBP
$3,915 USD
View
B+
Retailer 7
-
£2,970 GBP
SGD 5,377 SGD
View
B+
Retailer 8
-
£3,093 GBP
View
Retailer 9
-
£3,120 GBP
$4,180 USD
View
Price last confirmed 61 days ago
Retailer 10
-
£3,120 GBP
$4,180 USD
View
Price last confirmed 33 days ago
Retailer 11
-
£3,120 GBP
$4,180 USD
View
Price last confirmed 24 days ago
Retailer 12
-
£3,120 GBP
$4,180 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
£3,178 GBP
$4,258 USD
View
Retailer 14
-
£3,345 GBP
A$6,896 AUD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
£3,456 GBP
€4,410 EUR
View
B+
Retailer 16
-
£3,502 GBP
View
Retailer 17
-
£3,600 GBP
$4,824 USD
View
Price last confirmed 63 days ago
B+
Retailer 18
-
£3,771 GBP
ZAR 81,617 ZAR
View
B
Retailer 19
-
£5,130 GBP
View
Retailer 20
-
£5,436 GBP
$7,283 USD
View
Price last confirmed 61 days ago
Most Expensive
NZ Jewellers
c6d439c9-22fa-4c53-8dac-ff64a2f48331 · Oct 3
£5,436 GBP
$7,283 USD
View
Price last confirmed 29 days ago
20 more retailers have this diamond
Prices start from £2,312 GBPSave up to £2,818 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
£2,312 GBP