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Heart|Natural|GIA

1.30ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6522487421

Certificate GIA 6522487421

Diamond specifications and retailer prices

From £1,096 GBP
As of November 6, 2026
Save £2,344 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,440 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522487421. Listed at 13 retailers as of November 5, 2026, with prices from £1,096 to £3,440, a £2,344 spread on the same certified stone. NZ Jewellers lists it at £3,440. 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

1.30
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6522487421
Dimensions6.89 × 7.57 × 4.13 mm
L/W Ratio1.10
Top View
6.89 mm7.57 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6522487421
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.5%

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 6
Current: £3,440 GBP|Low: £1,096 GBP|High: £3,440 GBP|Avg: £1,690 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
November 6, 2026
Retailer 2£1,096 GBP
Retailer 13£1,285 GBP
Retailer 5£1,411 GBP
Retailer 12£1,411 GBP
Retailer 11£1,415 GBP
Retailer 6£1,443 GBP
Retailer 3£1,476 GBP
Retailer 8£1,531 GBP
Retailer 4£1,627 GBP
Retailer 10£1,627 GBP
Retailer 7£1,916 GBP
Retailer 9£2,464 GBP
NZ Jewellers£3,440 GBP

27 data points across 13 retailers

13 retailers£1,096 GBP to £3,440 GBP

A
Cheapest Retailer
-
£1,096 GBP
A
Retailer 2
-
£1,285 GBP
View
B+
Retailer 3
-
£1,411 GBP
View
Retailer 4
-
£1,411 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,415 GBP
View
A
Retailer 6
-
£1,443 GBP
View
B+
Retailer 7
-
£1,476 GBP
View
A
Retailer 8
-
£1,531 GBP
View
B+
Retailer 9
-
£1,627 GBP
View
B+
Retailer 10
-
£1,627 GBP
View
B+
Retailer 11
-
£1,916 GBP
View
B
Retailer 12
-
£2,464 GBP
View
Most Expensive
C
NZ Jewellers
534d3d97-c6a9-4291-a4c0-135290111166 · Nov 5
£3,440 GBP
$4,604 USD
View
12 more retailers have this diamond
Prices start from £1,096 GBPSave up to £2,344 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
1.30ct Heart
£1,096 GBP