CaratHunter
Plans
Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

VG • I/SI2 • GIA 6243054497

Certificate GIA 6243054497

Diamond specifications and retailer prices

From £1,252 GBP
As of November 6, 2026
Save £2,320 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,572 GBP at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6243054497. Listed at 10 retailers as of November 5, 2026, with prices from £1,252 to £3,572, a £2,320 spread on the same certified stone. NZ Jewellers lists it at £3,572. 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
I
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.74°
OriginNatural
Grading LabGIA
CertificateGIA 6243054497
Dimensions6.58 × 7.24 × 4.15 mm
L/W Ratio1.10
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
6.58 mm7.24 mm1.20 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243054497
Side View
Table 58.0%CrownGirdle: THK-VTKPavilion 35.74°Culet: NoneDepth 57.3%

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: £3,572 GBP|Low: £1,252 GBP|High: £3,853 GBP|Avg: £2,193 GBP|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£1,252 GBP
Retailer 8£1,591 GBP
Retailer 6£1,709 GBP
Retailer 3£1,727 GBP
Retailer 5£1,787 GBP
Retailer 10£1,878 GBP
Retailer 2£2,083 GBP
Retailer 4£2,604 GBP
Retailer 7£2,993 GBP
NZ Jewellers£3,572 GBP

39 data points across 10 retailers

10 retailers£1,252 GBP to £3,572 GBP

A
Cheapest Retailer
-
£1,252 GBP
B+
Retailer 2
-
£1,591 GBP
View
B+
Retailer 3
-
£1,709 GBP
View
B+
Retailer 4
-
£1,727 GBP
View
B+
Retailer 5
-
£1,787 GBP
View
B+
Retailer 6
-
£1,878 GBP
View
B
Retailer 7
-
£2,083 GBP
View
B
Retailer 8
-
£2,604 GBP
View
B
Retailer 9
-
£2,993 GBP
View
Most Expensive
B
NZ Jewellers
78983666-88e8-4655-941d-f1b301e7d1b2 · Nov 5
£3,572 GBP
$4,781 USD
View
9 more retailers have this diamond
Prices start from £1,252 GBPSave up to £2,320 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 Heart
£1,252 GBP