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Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6261981781

Certificate GIA 6261981781

Diamond specifications and retailer prices

From £468 GBP
As of November 6, 2026
Save £402 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £870 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural heart diamond

This 0.5ct natural heart sits in the half to three-quarter carat band, graded I 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 6261981781. Listed at 4 retailers as of November 4, 2026, with prices from £468 to £870, a £402 spread on the same certified stone. MOH London lists it at £870. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6261981781
Dimensions4.91 × 5.64 × 3.17 mm
L/W Ratio1.15
Top View
4.91 mm5.64 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6261981781
Side View
Table 59.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 56.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £870 GBP|Low: £442 GBP|High: £882 GBP|Avg: £577 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£468 GBP
Retailer 4£486 GBP
Retailer 5£499 GBP
Retailer 3£567 GBP
MOH London£870 GBP

45 data points across 5 retailers

4 retailers£468 GBP to £870 GBP

B
Cheapest Retailer
-
£468 GBP
B+
Retailer 2
-
£486 GBP
View
Retailer 3
-
£567 GBP
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
667348D28 · Nov 4
£870 GBP
View
3 more retailers have this diamond
Prices start from £468 GBPSave up to £402 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+
0.50ct Heart
£468 GBP