Round|Natural|GIA

0.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5446971593

Certificate GIA 5446971593

Diamond specifications and retailer prices

From $739 AUD
As of November 6, 2026
Save $1,640 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,234 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5446971593. Listed at 20 retailers as of November 2, 2026, with a 222% 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5446971593
Dimensions5.10 × 5.07 × 3.16 mm
L/W Ratio1.01
Top View
5.10 mm5.07 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5446971593
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,241 AUD|Low: $739 AUD|High: $2,410 AUD|Avg: $1,281 AUD|+30.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$739 AUD
Retailer 8$952 AUD
Retailer 6$1,012 AUD
Retailer 1$1,241 AUD
Retailer 4$1,255 AUD
Retailer 3$1,326 AUD
Retailer 5$1,338 AUD
Retailer 7$2,380 AUD

28 data points across 8 retailers

20 retailers$739 AUD to $2,380 AUD

A
Cheapest Retailer
-
$739 AUD
A
Retailer 2
-
$856 AUD
View
B+
Retailer 3
-
$952 AUD
View
Final sale: no returns
B+
Retailer 4
-
$975 AUD
View
B+
Retailer 5
-
$1,012 AUD
View
B+
Retailer 6
-
$1,032 AUD
View
Retailer 7
-
$1,032 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,058 AUD
View
B+
Retailer 9
-
$1,071 AUD
View
B+
Retailer 10
-
$1,161 AUD
View
B+
Retailer 11
-
$1,191 AUD
View
B+
Retailer 12
-
$1,223 AUD
View
B+
Retailer 13
-
$1,241 AUD
View
B+
Retailer 14
-
$1,255 AUD
View
B+
Retailer 15
-
$1,326 AUD
View
B+
Retailer 16
-
$1,338 AUD
View
B+
Retailer 17
-
$1,358 AUD
View
B
Retailer 18
-
$2,332 AUD
View
B
Retailer 19
-
$2,380 AUD
View
Most Expensive
NZ Jewellers
d8882e5a-e6f1-48a1-95e7-506ba35697ac · Nov 4
$3,234 AUD
$2,222 USD
View
Price under review
19 more retailers have this diamond
Prices start from $739 AUDSave up to $1,640 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.

A
0.50ct Round
$739 AUD