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Heart|Natural|GIA

0.51ct E SI2 Heart Natural Diamond

GD • E/SI2 • GIA 7528682756

Certificate GIA 7528682756

Diamond specifications and retailer prices

From £303 GBP
As of November 6, 2026
Save £85 GBP (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £388 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7528682756. Listed at 4 retailers as of November 6, 2026, with prices from £303 to £388, a £85 spread on the same certified stone. 77 Diamonds lists it at £388. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7528682756
Dimensions5.08 × 5.64 × 3.12 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Crystal
Top View
5.08 mm5.64 mm0.51 ctE / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7528682756
Side View
Table 58.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 55.4%

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: £388 GBP|Low: £286 GBP|High: £444 GBP|Avg: £349 GBP|-11.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£303 GBP
Retailer 3£313 GBP
Retailer 4£339 GBP
77 Diamonds£388 GBP

42 data points across 4 retailers

4 retailers£303 GBP to £388 GBP

A
Cheapest Retailer
-
£303 GBP
A
Retailer 2
-
£313 GBP
View
Final sale: no returns
A
Retailer 3
-
£339 GBP
View
Most Expensive
B+
77 Diamonds
HSCPJRFNCJS4 · Nov 6
£388 GBP
View
3 more retailers have this diamond
Prices start from £303 GBPSave up to £85 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
0.51ct Heart
£303 GBP