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Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 7513293624

Certificate GIA 7513293624

Diamond specifications and retailer prices

From £722 GBP
As of November 6, 2026
Save £421 GBP (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,142 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7513293624. Listed at 6 retailers as of November 4, 2026, with prices from £722 to £1,142, a £421 spread on the same certified stone. MOH London lists it at £1,142. 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

0.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7513293624
Dimensions4.69 × 5.50 × 3.45 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.69 mm5.50 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7513293624
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,142 GBP|Low: £706 GBP|High: £1,158 GBP|Avg: £869 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5£722 GBP
Retailer 2£744 GBP
Retailer 3£782 GBP
Retailer 4£939 GBP
MOH London£1,142 GBP

44 data points across 5 retailers

6 retailers£722 GBP to £1,142 GBP

B+
Cheapest Retailer
-
£722 GBP
B+
Retailer 2
-
£744 GBP
View
B
Retailer 3
-
£782 GBP
View
B
Retailer 4
-
£835 GBP
View
Retailer 5
-
£939 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
ABAC7DD7B · Nov 4
£1,142 GBP
View
5 more retailers have this diamond
Prices start from £722 GBPSave up to £421 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.

B+
0.51ct Heart
£722 GBP