Round|Natural|GIA

2.64ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231374536

Shape and cutting style on the report: Round brilliant

Certificate GIA 5231374536

Diamond specifications and retailer prices

From $15,645 USD
As of November 1, 2026
Save $8,987 USD (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $24,632 USD at MOH London · As of November 2, 2026
View at MOH London

About this 2.64ct natural round diamond

This 2.64ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231374536. Listed at 4 retailers as of November 1, 2026, with prices from $15,645 to $24,632, a $8,987 spread on the same certified stone. MOH London lists it at $24,632. 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

2.64
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231374536
Dimensions8.81 × 8.75 × 5.48 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
8.81 mm8.75 mm2.64 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231374536
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $24,632 USD|Low: $11,104 USD|High: $24,928 USD|Avg: $16,640 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$11,104 USD
Retailer 5$12,410 USD
Retailer 4$15,645 USD
Retailer 3$16,496 USD
Retailer 2$19,057 USD
MOH London$24,632 USD

40 data points across 6 retailers

4 retailers$15,645 USD to $24,632 USD

B+
Cheapest Retailer
-
$15,645 USD
B+
Retailer 2
-
$16,496 USD
View
B
Retailer 3
-
$19,057 USD
View
Most Expensive
B
MOH London
C0DD9F1CD · Nov 2
$24,632 USD
£19,395 GBP
View
3 more retailers have this diamond
Prices start from $15,645 USDSave up to $8,987 USD

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+
2.64ct Round
$15,645 USD