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Round|Natural|GIA

1.20ct D IF Round Natural Diamond

EX • D/IF • GIA 2557840117

Certificate GIA 2557840117

Diamond specifications and retailer prices

From £7,339 GBP
As of November 4, 2026
Save £6,590 GBP (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £13,928 GBP at NZ Jewellers · As of November 5, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2557840117. Listed at 19 retailers as of November 4, 2026, with prices from £7,339 to £13,928, a £6,590 spread on the same certified stone. NZ Jewellers lists it at £13,928. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557840117
Dimensions6.76 × 6.70 × 4.23 mm
L/W Ratio1.01
Top View
6.76 mm6.70 mm1.20 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557840117
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.9%

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 4
Current: £13,928 GBP|Low: £7,339 GBP|High: £13,928 GBP|Avg: £9,887 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 17£7,339 GBP
Retailer 3£8,213 GBP
Retailer 6£8,559 GBP
Retailer 4£8,840 GBP
Retailer 2£8,890 GBP
Retailer 12£8,934 GBP
Retailer 5£9,078 GBP
Retailer 15£9,088 GBP
Retailer 18£9,228 GBP
Retailer 16£9,839 GBP
Retailer 9£9,993 GBP
Retailer 7£10,013 GBP
Retailer 8£10,237 GBP
Retailer 10£10,378 GBP
Retailer 13£10,503 GBP
Retailer 14£12,277 GBP
Retailer 11£13,016 GBP
NZ Jewellers£13,928 GBP

37 data points across 18 retailers

19 retailers£7,339 GBP to £13,928 GBP

A
Cheapest Retailer
-
£7,339 GBP
A
Retailer 2
-
£8,213 GBP
View
Retailer 3
-
£8,433 GBP
View
Price last confirmed 24 days ago
A
Retailer 4
-
£8,559 GBP
View
B+
Retailer 5
-
£8,840 GBP
View
Final sale: no returns
A
Retailer 6
-
£8,890 GBP
View
A
Retailer 7
-
£8,934 GBP
View
B+
Retailer 8
-
£9,078 GBP
View
Retailer 9
-
£9,088 GBP
View
Price last confirmed 13 days ago
A
Retailer 10
-
£9,228 GBP
View
B+
Retailer 11
-
£9,839 GBP
View
B+
Retailer 12
-
£9,993 GBP
View
B+
Retailer 13
-
£10,013 GBP
View
B+
Retailer 14
-
£10,237 GBP
View
B+
Retailer 15
-
£10,378 GBP
View
B+
Retailer 16
-
£10,503 GBP
View
B+
Retailer 17
-
£12,277 GBP
View
B+
Retailer 18
-
£13,016 GBP
View
Most Expensive
B
NZ Jewellers
d7515fae-019b-43ea-8241-b8952440f10d · Nov 5
£13,928 GBP
$18,803 USD
View
18 more retailers have this diamond
Prices start from £7,339 GBPSave up to £6,590 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
£7,339 GBP