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Round|Natural|GIA

0.64ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 7418949255

Certificate GIA 7418949255

Diamond specifications and retailer prices

From $483 AUD
As of November 6, 2026
Save $2,166 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,648 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 7418949255. Listed at 16 retailers as of November 4, 2026, with prices from $483 to $2,648, a $2,166 spread on the same certified stone. NZ Jewellers lists it at $2,648. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.64
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 7418949255
Dimensions5.45 × 5.39 × 3.41 mm
L/W Ratio1.01
Top View
5.45 mm5.39 mm0.64 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7418949255
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.0%

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 6
Current: $483 AUD|Low: $483 AUD|High: $1,614 AUD|Avg: $898 AUD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$483 AUD
Retailer 5$700 AUD
Retailer 2$706 AUD
Retailer 8$744 AUD
Retailer 3$850 AUD
Retailer 7$941 AUD
Retailer 4$946 AUD
Retailer 6$1,594 AUD

40 data points across 8 retailers

16 retailers$483 AUD to $2,648 AUD

A
Cheapest Retailer
-
$483 AUD
B+
Retailer 2
-
$566 AUD
View
B+
Retailer 3
-
$691 AUD
View
B+
Retailer 4
-
$700 AUD
View
B+
Retailer 5
-
$706 AUD
View
Retailer 6
-
$744 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$744 AUD
View
B+
Retailer 8
-
$797 AUD
View
B+
Retailer 9
-
$797 AUD
View
B+
Retailer 10
-
$850 AUD
View
B+
Retailer 11
-
$879 AUD
View
B+
Retailer 12
-
$941 AUD
View
B+
Retailer 13
-
$946 AUD
View
B
Retailer 14
-
$1,414 AUD
View
B
Retailer 15
-
$1,594 AUD
View
Most Expensive
C
NZ Jewellers
3c79a001-378c-4cd9-908e-6e66b7a18c64 · Nov 4
$2,648 AUD
$1,854 USD
View
15 more retailers have this diamond
Prices start from $483 AUDSave up to $2,166 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
$483 AUD