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Radiant|Natural|GIA

2.40ct K SI2 Radiant Natural Diamond

ID • K/SI2 • GIA 6551388882

Certificate GIA 6551388882

Diamond specifications and retailer prices

From $13,011 AUD
As of November 6, 2026
Save $7,731 AUD (37%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $20,742 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.4ct natural radiant diamond

This 2.4ct natural radiant sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551388882. Listed at 7 retailers as of November 4, 2026, with prices from $13,011 to $20,742, a $7,731 spread on the same certified stone. MOH London lists it at $20,742. 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

2.40
Carat
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551388882
Dimensions8.99 × 6.65 × 4.59 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
8.99 mm6.65 mm2.40 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551388882
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.1%

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 6
Current: $20,742 AUD|Low: $13,011 AUD|High: $21,049 AUD|Avg: $15,883 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 4$13,011 AUD
Retailer 5$13,895 AUD
Retailer 2$14,570 AUD
Retailer 6$15,499 AUD
Retailer 7$16,341 AUD
Retailer 3$16,683 AUD
MOH London$20,742 AUD

44 data points across 7 retailers

7 retailers$13,011 AUD to $20,742 AUD

A
Cheapest Retailer
-
$13,011 AUD
B+
Retailer 2
-
$13,895 AUD
View
B+
Retailer 3
-
$14,570 AUD
View
B+
Retailer 4
-
$15,499 AUD
View
B+
Retailer 5
-
$16,341 AUD
View
B+
Retailer 6
-
$16,683 AUD
View
Most Expensive
B
MOH London
EC1EB5671 · Nov 4
$20,742 AUD
£11,222 GBP
View
6 more retailers have this diamond
Prices start from $13,011 AUDSave up to $7,731 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
2.40ct Radiant
$13,011 AUD