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Heart|Natural|GIA

0.50ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7536794690

Certificate GIA 7536794690

Diamond specifications and retailer prices

From £226 GBP
$303 USD
As of November 2, 2026
Save £82 GBP (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £308 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7536794690. Listed at 4 retailers as of October 31, 2026, with prices from £226 to £308, a £82 spread on the same certified stone. Blue Nile lists it at £308. 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

0.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7536794690
Dimensions4.65 × 5.55 × 3.33 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
4.65 mm5.55 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7536794690
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.0%

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 2
Current: £308 GBP|Low: £199 GBP|High: £341 GBP|Avg: £271 GBP|-9.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4£226 GBP
Retailer 3£238 GBP
Retailer 2£303 GBP
Blue Nile£308 GBP

39 data points across 4 retailers

4 retailers£226 GBP to £308 GBP

A
Cheapest Retailer
-
£226 GBP
$303 USD
Final sale: no returns
A
Retailer 2
-
£238 GBP
SGD 432 SGD
View
B+
Retailer 3
-
£303 GBP
View
Most Expensive
A
Blue Nile
27064378 · Oct 31
£308 GBP
$413 USD
View
3 more retailers have this diamond
Prices start from £226 GBPSave up to £82 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
0.50ct Heart
£226 GBP