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Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6535940915

Certificate GIA 6535940915

Diamond specifications and retailer prices

From £1,326 GBP
₹169,222 INR
As of November 1, 2026
Save £2,174 GBP (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,500 GBP at NZ Jewellers · As of October 30, 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 G 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 6535940915. Listed at 15 retailers as of October 30, 2026, with prices from £1,326 to £3,500, a £2,174 spread on the same certified stone. NZ Jewellers lists it at £3,500. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6535940915
Dimensions6.38 × 7.32 × 4.43 mm
L/W Ratio1.15
Top View
6.38 mm7.32 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535940915
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.5%

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: £3,500 GBP|Low: £1,326 GBP|High: £3,500 GBP|Avg: £1,931 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
November 2, 2026
Retailer 6£1,326 GBP
Retailer 4£1,513 GBP
Retailer 8£1,534 GBP
Retailer 3£1,545 GBP
Retailer 2£1,655 GBP
Retailer 9£1,674 GBP
Retailer 11£1,674 GBP
Retailer 10£1,752 GBP
Retailer 5£1,837 GBP
Retailer 7£1,932 GBP
Retailer 12£2,949 GBP
NZ Jewellers£3,500 GBP

27 data points across 12 retailers

15 retailers£1,326 GBP to £3,500 GBP

A
Cheapest Retailer
-
£1,326 GBP
₹169,222 INR
A
Retailer 2
-
£1,513 GBP
$2,027 USD
View
A
Retailer 3
-
£1,534 GBP
$2,056 USD
View
A
Retailer 4
-
£1,545 GBP
$2,070 USD
View
Final sale: no returns
A
Retailer 5
-
£1,655 GBP
View
A
Retailer 6
-
£1,674 GBP
$2,243 USD
View
A
Retailer 7
-
£1,674 GBP
$2,243 USD
View
B+
Retailer 8
-
£1,690 GBP
$2,264 USD
View
B+
Retailer 9
-
£1,752 GBP
$2,347 USD
View
B+
Retailer 10
-
£1,778 GBP
$2,383 USD
View
B+
Retailer 11
-
£1,837 GBP
View
Retailer 12
-
£1,889 GBP
SGD 3,421 SGD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£1,932 GBP
$2,588 USD
View
B
Retailer 14
-
£2,949 GBP
View
Most Expensive
B
NZ Jewellers
bf8cd084-4b1d-485c-ac64-e8eafa970f74 · Oct 30
£3,500 GBP
$4,690 USD
View
14 more retailers have this diamond
Prices start from £1,326 GBPSave up to £2,174 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
£1,326 GBP