Heart|Natural|GIA

0.50ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6511998718

Certificate GIA 6511998718

Diamond specifications and retailer prices

From $423 USD
₹40,273 INR
As of October 31, 2026
Save $908 USD (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,331 USD 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 $423 to $1,331, a $908 spread on the same certified stone. MOH London lists it at $1,331. 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
Color
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: Oct 31
Current: $1,331 USD|Low: $422 USD|High: $1,340 USD|Avg: $782 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2$423 USD
Retailer 6$688 USD
Retailer 4$703 USD
Retailer 5$718 USD
Retailer 3$849 USD
MOH London$1,331 USD

40 data points across 6 retailers

6 retailers$423 USD to $1,331 USD

A
Cheapest Retailer
-
$423 USD
₹40,273 INR
B+
Retailer 2
-
$688 USD
View
B+
Retailer 3
-
$703 USD
£554 GBP
View
B+
Retailer 4
-
$718 USD
£566 GBP
View
B+
Retailer 5
-
$849 USD
€809 EUR
View
Most Expensive
B
MOH London
8F37D6C61 · Oct 29
$1,331 USD
£1,048 GBP
View
5 more retailers have this diamond
Prices start from $423 USDSave up to $908 USD

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
$423 USD