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Round|Natural|GIA

0.64ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2247708522

Certificate GIA 2247708522

Diamond specifications and retailer prices

From $439 AUD
As of November 5, 2026
Save $1,518 AUD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,957 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.64ct natural round diamond

This 0.64ct 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 2247708522. Listed at 9 retailers as of November 4, 2026, with prices from $439 to $1,957, a $1,518 spread on the same certified stone. NZ Jewellers lists it at $1,957. 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

0.64
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2247708522
Dimensions5.50 × 5.53 × 3.43 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.50 mm5.53 mm0.64 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2247708522
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 5
Current: $829 AUD|Low: $439 AUD|High: $840 AUD|Avg: $698 AUD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$439 AUD
Retailer 6$687 AUD
Retailer 4$697 AUD
Retailer 5$741 AUD
Retailer 3$790 AUD
Retailer 1$829 AUD

16 data points across 6 retailers

9 retailers$439 AUD to $1,957 AUD

A
Cheapest Retailer
-
$439 AUD
A
Retailer 2
-
$510 AUD
View
Retailer 3
-
$550 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$570 AUD
View
B+
Retailer 5
-
$687 AUD
View
B+
Retailer 6
-
$687 AUD
View
B+
Retailer 7
-
$697 AUD
View
B+
Retailer 8
-
$829 AUD
View
Most Expensive
C
NZ Jewellers
e2c788a2-7172-4694-86aa-f54af9be30bf · Nov 4
$1,957 AUD
$1,370 USD
View
8 more retailers have this diamond
Prices start from $439 AUDSave up to $1,518 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
0.64ct Round
$439 AUD