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Heart|Natural|GIA

1.20ct F SI2 Heart Natural Diamond

VG • F/SI2 • GIA 2558092949

Certificate GIA 2558092949

Diamond specifications and retailer prices

From £1,805 GBP
As of November 6, 2026
Save £2,102 GBP (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,907 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2558092949. Listed at 7 retailers as of November 3, 2026, with prices from £1,805 to £3,907, a £2,102 spread on the same certified stone. NZ Jewellers lists it at £3,907. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
F
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.83°
Pavilion angle41.14°
OriginNatural
Grading LabGIA
CertificateGIA 2558092949
Dimensions6.58 × 7.20 × 4.39 mm
L/W Ratio1.09
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.58 mm7.20 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558092949
Side View
Table 62.0%Crown 39.83°Girdle: STK-VTKPavilion 41.14°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,907 GBP|Low: £1,805 GBP|High: £3,927 GBP|Avg: £2,352 GBP|-0.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6£1,805 GBP
Retailer 2£1,848 GBP
Retailer 5£1,869 GBP
Retailer 8£1,950 GBP
Retailer 4£1,955 GBP
Retailer 7£1,977 GBP
Retailer 3£3,274 GBP
NZ Jewellers£3,907 GBP

29 data points across 8 retailers

7 retailers£1,805 GBP to £3,907 GBP

B+
Cheapest Retailer
-
£1,805 GBP
B+
Retailer 2
-
£1,848 GBP
View
B+
Retailer 3
-
£1,869 GBP
View
B+
Retailer 4
-
£1,955 GBP
View
B+
Retailer 5
-
£1,977 GBP
View
B
Retailer 6
-
£3,274 GBP
View
Most Expensive
B
NZ Jewellers
c2537880-03ea-452f-9156-9ea26af0a1ea · Nov 3
£3,907 GBP
$5,230 USD
View
6 more retailers have this diamond
Prices start from £1,805 GBPSave up to £2,102 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.

B+
1.20ct Heart
£1,805 GBP