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Round|Natural|GIA

0.64ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6451896295

Certificate GIA 6451896295

Diamond specifications and retailer prices

From $1,254 NZD
As of November 4, 2026
Save $1,328 NZD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,582 NZD at MOH London · As of November 4, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 6451896295. Listed at 4 retailers as of November 4, 2026, with prices from $1,254 to $2,582, a $1,328 spread on the same certified stone. MOH London lists it at $2,582. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6451896295
Dimensions5.50 × 5.48 × 3.42 mm
L/W Ratio1.00
Top View
5.50 mm5.48 mm0.64 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451896295
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,582 NZD|Low: $1,254 NZD|High: $2,616 NZD|Avg: $1,805 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4$1,254 NZD
Retailer 5$1,526 NZD
Retailer 2$1,670 NZD
Retailer 3$1,980 NZD
MOH London$2,582 NZD

40 data points across 5 retailers

4 retailers$1,254 NZD to $2,582 NZD

B+
Cheapest Retailer
-
$1,254 NZD
B
Retailer 2
-
$1,670 NZD
View
B
Retailer 3
-
$1,980 NZD
View
Most Expensive
B
MOH London
CEB853480 · Nov 4
$2,582 NZD
£1,143 GBP
View
3 more retailers have this diamond
Prices start from $1,254 NZDSave up to $1,328 NZD

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.

B+
0.64ct Round
$1,254 NZD