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Heart|Natural|GIA

1.20ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6532691151

Certificate GIA 6532691151

Diamond specifications and retailer prices

From £980 GBP
As of November 4, 2026
Save £476 GBP (33%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,456 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532691151. Listed at 6 retailers as of November 4, 2026, with prices from £980 to £1,456, a £476 spread on the same certified stone. GemTrove lists it at £1,456. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532691151
Dimensions6.66 × 7.24 × 4.34 mm
L/W Ratio1.09
Top View
6.66 mm7.24 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532691151
Side View
Table 55.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,456 GBP|Low: £945 GBP|High: £1,456 GBP|Avg: £1,159 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£980 GBP
Retailer 3£983 GBP
Retailer 5£992 GBP
Retailer 2£1,066 GBP
Retailer 6£1,112 GBP
GemTrove£1,456 GBP

41 data points across 6 retailers

6 retailers£980 GBP to £1,456 GBP

A
Cheapest Retailer
-
£980 GBP
Final sale: no returns
A
Retailer 2
-
£983 GBP
View
A
Retailer 3
-
£992 GBP
View
A
Retailer 4
-
£1,066 GBP
View
A
Retailer 5
-
£1,112 GBP
View
Most Expensive
B+
GemTrove
GT-N-01269270-98 · Nov 6
£1,456 GBP
A$2,998 AUD
View
5 more retailers have this diamond
Prices start from £980 GBPSave up to £476 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
£980 GBP