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Round|Natural|GIA

0.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6442650277

Certificate GIA 6442650277

Diamond specifications and retailer prices

From $404 AUD
As of November 4, 2026
Save $1,427 AUD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,831 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6442650277. Listed at 7 retailers as of November 4, 2026, with prices from $404 to $1,831, a $1,427 spread on the same certified stone. NZ Jewellers lists it at $1,831. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6442650277
Dimensions5.08 × 5.05 × 3.15 mm
L/W Ratio1.01
Top View
5.08 mm5.05 mm0.50 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6442650277
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.3%

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 4
Current: $1,831 AUD|Low: $404 AUD|High: $1,871 AUD|Avg: $706 AUD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$404 AUD
Retailer 5$436 AUD
Retailer 7$451 AUD
Retailer 2$506 AUD
Retailer 6$544 AUD
Retailer 9$646 AUD
Retailer 8$660 AUD
Retailer 3$770 AUD
NZ Jewellers$1,831 AUD

39 data points across 9 retailers

7 retailers$404 AUD to $1,831 AUD

A
Cheapest Retailer
-
$404 AUD
Retailer 2
-
$436 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$451 AUD
View
A
Retailer 4
-
$506 AUD
View
B+
Retailer 5
-
$544 AUD
View
B
Retailer 6
-
$770 AUD
View
Most Expensive
C
NZ Jewellers
a388424a-3324-48b4-a720-c4c3c45e177a · Nov 4
$1,831 AUD
$1,282 USD
View
6 more retailers have this diamond
Prices start from $404 AUDSave up to $1,427 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
$404 AUD