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Heart|Natural|GIA

0.43ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7513589655

Certificate GIA 7513589655

Diamond specifications and retailer prices

From £235 GBP
As of November 5, 2026
Save £667 GBP (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £903 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.43ct natural heart diamond

This 0.43ct natural heart sits in the sub-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 7513589655. Listed at 9 retailers as of November 5, 2026, with prices from £235 to £903, a £667 spread on the same certified stone. NZ Jewellers lists it at £903. 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

0.43
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7513589655
Dimensions4.60 × 5.19 × 3.10 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
4.60 mm5.19 mm0.43 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7513589655
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.8%

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 5
Current: £903 GBP|Low: £235 GBP|High: £903 GBP|Avg: £339 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£235 GBP
Retailer 10£249 GBP
Retailer 5£253 GBP
Retailer 6£262 GBP
Retailer 8£272 GBP
Retailer 2£297 GBP
Retailer 4£317 GBP
Retailer 9£317 GBP
Retailer 3£543 GBP
NZ Jewellers£903 GBP

42 data points across 10 retailers

9 retailers£235 GBP to £903 GBP

A
Cheapest Retailer
-
£235 GBP
Retailer 2
-
£253 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£262 GBP
View
B+
Retailer 4
-
£272 GBP
View
B+
Retailer 5
-
£297 GBP
View
B+
Retailer 6
-
£317 GBP
View
Retailer 7
-
£317 GBP
View
Price last confirmed 13 days ago
B
Retailer 8
-
£543 GBP
View
Most Expensive
C
NZ Jewellers
37a3e5cb-66ff-4f77-8523-5027411f9e4f · Nov 5
£903 GBP
$1,208 USD
View
8 more retailers have this diamond
Prices start from £235 GBPSave up to £667 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
0.43ct Heart
£235 GBP