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Heart|Natural|GIA

0.52ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 2526714655

Certificate GIA 2526714655

Diamond specifications and retailer prices

From £337 GBP
As of November 6, 2026
Save £111 GBP (25%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £448 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.52ct natural heart diamond

This 0.52ct 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 2526714655. Listed at 5 retailers as of November 5, 2026, with prices from £337 to £448, a £111 spread on the same certified stone. Blue Nile lists it at £448. 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

0.52
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2526714655
Dimensions4.85 × 5.68 × 3.39 mm
L/W Ratio1.17
Top View
4.85 mm5.68 mm0.52 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2526714655
Side View
Table 59.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £448 GBP|Low: £312 GBP|High: £509 GBP|Avg: £396 GBP|-11.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£337 GBP
Retailer 3£347 GBP
Retailer 4£377 GBP
Retailer 2£430 GBP
Blue Nile£448 GBP

40 data points across 5 retailers

5 retailers£337 GBP to £448 GBP

A
Cheapest Retailer
-
£337 GBP
A
Retailer 2
-
£347 GBP
View
Final sale: no returns
A
Retailer 3
-
£377 GBP
View
A
Retailer 4
-
£430 GBP
View
Most Expensive
A
Blue Nile
25657051 · Nov 5
£448 GBP
$600 USD
View
4 more retailers have this diamond
Prices start from £337 GBPSave up to £111 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
0.52ct Heart
£337 GBP