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Heart|Natural|GIA

0.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 5516503122

Certificate GIA 5516503122

Diamond specifications and retailer prices

From $927 AUD
As of November 6, 2026
Save $461 AUD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,386 AUD at MOH London · As of November 2, 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 5516503122. Listed at 9 retailers as of November 6, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5516503122
Dimensions4.77 × 4.56 × 3.05 mm
L/W Ratio1.05
Top View
4.77 mm4.56 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516503122
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,386 AUD|Low: $642 AUD|High: $3,004 AUD|Avg: $1,277 AUD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$927 AUD
Retailer 9$1,158 AUD
Retailer 4$1,193 AUD
Retailer 8$1,193 AUD
Retailer 3$1,231 AUD
Retailer 5$1,237 AUD
Retailer 2$1,388 AUD
MOH London$2,386 AUD
Retailer 6$3,004 AUD

44 data points across 9 retailers

9 retailers$927 AUD to $1,388 AUD

B+
Cheapest Retailer
-
$927 AUD
B
Retailer 2
-
$1,158 AUD
View
B
Retailer 3
-
$1,193 AUD
View
B
Retailer 4
-
$1,193 AUD
View
B
Retailer 5
-
$1,231 AUD
View
B
Retailer 6
-
$1,237 AUD
View
B
Retailer 7
-
$1,388 AUD
View
Most Expensive
MOH London
43BF9147F · Nov 2
$2,386 AUD
£1,291 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $927 AUDSave up to $461 AUD

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
$927 AUD