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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6422948574

Certificate GIA 6422948574

Diamond specifications and retailer prices

From $669 AUD
As of November 6, 2026
Save $2,285 AUD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,954 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422948574. Listed at 22 retailers as of November 4, 2026, with prices from $669 to $2,954, a $2,285 spread on the same certified stone. NZ Jewellers lists it at $2,954. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422948574
Dimensions5.13 × 5.10 × 3.11 mm
L/W Ratio1.01
Top View
5.13 mm5.10 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422948574
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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: $669 AUD|Low: $669 AUD|High: $2,201 AUD|Avg: $1,231 AUD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$669 AUD
Retailer 3$867 AUD
Retailer 9$931 AUD
Retailer 5$962 AUD
Retailer 6$1,142 AUD
Retailer 11$1,153 AUD
Retailer 4$1,211 AUD
Retailer 2$1,215 AUD
Retailer 7$1,218 AUD
Retailer 8$1,454 AUD
Retailer 10$2,174 AUD

28 data points across 11 retailers

22 retailers$669 AUD to $2,954 AUD

A
Cheapest Retailer
-
$669 AUD
A
Retailer 2
-
$782 AUD
View
A
Retailer 3
-
$867 AUD
View
Final sale: no returns
A
Retailer 4
-
$891 AUD
View
B+
Retailer 5
-
$931 AUD
View
B+
Retailer 6
-
$942 AUD
View
B+
Retailer 7
-
$962 AUD
View
B+
Retailer 8
-
$1,014 AUD
View
B+
Retailer 9
-
$1,087 AUD
View
B+
Retailer 10
-
$1,089 AUD
View
B+
Retailer 11
-
$1,134 AUD
View
B+
Retailer 12
-
$1,142 AUD
View
B+
Retailer 13
-
$1,153 AUD
View
B+
Retailer 14
-
$1,211 AUD
View
B
Retailer 15
-
$1,215 AUD
View
B+
Retailer 16
-
$1,218 AUD
View
B
Retailer 17
-
$1,297 AUD
View
Retailer 18
-
$1,416 AUD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$1,454 AUD
View
B
Retailer 20
-
$1,463 AUD
View
B
Retailer 21
-
$2,174 AUD
View
Most Expensive
B
NZ Jewellers
b6c2ede9-d08b-4312-aa26-450d9b06516b · Nov 4
$2,954 AUD
$2,030 USD
View
21 more retailers have this diamond
Prices start from $669 AUDSave up to $2,285 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
$669 AUD