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Heart|Natural|GIA

0.50ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6511998718

Certificate GIA 6511998718

Diamond specifications and retailer prices

From £316 GBP
₹40,264 INR
As of November 1, 2026
Save £678 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £993 GBP at MOH London · As of October 29, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6511998718. Listed at 6 retailers as of October 29, 2026, with prices from £316 to £993, a £678 spread on the same certified stone. MOH London lists it at £993. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511998718
Dimensions5.32 × 5.32 × 3.07 mm
L/W Ratio1.00
Top View
5.32 mm5.32 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6511998718
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.7%

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 1
Current: £993 GBP|Low: £315 GBP|High: £1,000 GBP|Avg: £585 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2£316 GBP
Retailer 6£513 GBP
Retailer 3£525 GBP
Retailer 5£536 GBP
Retailer 4£634 GBP
MOH London£993 GBP

40 data points across 6 retailers

6 retailers£316 GBP to £993 GBP

A
Cheapest Retailer
-
£316 GBP
₹40,264 INR
B+
Retailer 2
-
£513 GBP
$688 USD
View
B+
Retailer 3
-
£525 GBP
View
B+
Retailer 4
-
£536 GBP
View
B+
Retailer 5
-
£634 GBP
€809 EUR
View
Most Expensive
B
MOH London
8F37D6C61 · Oct 29
£993 GBP
View
5 more retailers have this diamond
Prices start from £316 GBPSave up to £678 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
£316 GBP