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Radiant|Natural|GIA

2.50ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 1523393257

Certificate GIA 1523393257

Diamond specifications and retailer prices

From $18,676 AUD
As of November 7, 2026
Save $8,207 AUD (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $26,883 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 2.5ct natural radiant diamond

This 2.5ct 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 1523393257. Listed at 3 retailers as of November 4, 2026, with prices from $18,676 to $26,883, a $8,207 spread on the same certified stone. MOH London lists it at $26,883. 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

2.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1523393257
Dimensions9.22 × 6.91 × 4.28 mm
L/W Ratio1.33
Culet sizeNone
Cert comments
Clouds, pinpoints and surface graining are not shown.
Top View
9.22 mm6.91 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1523393257
Side View
Table 71.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

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 7
Current: $26,883 AUD|Low: $18,676 AUD|High: $27,280 AUD|Avg: $22,511 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
November 7, 2026
Retailer 2$18,676 AUD
Retailer 3$21,623 AUD
MOH London$26,883 AUD

23 data points across 3 retailers

3 retailers$18,676 AUD to $26,883 AUD

A
Cheapest Retailer
-
$18,676 AUD
B+
Retailer 2
-
$21,623 AUD
View
Most Expensive
B
MOH London
C2B372E83 · Nov 4
$26,883 AUD
£14,544 GBP
View
2 more retailers have this diamond
Prices start from $18,676 AUDSave up to $8,207 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
2.50ct Radiant
$18,676 AUD