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Radiant|Natural|GIA

2.50ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 2239414776

Certificate GIA 2239414776

Diamond specifications and retailer prices

From $11,035 AUD
As of November 2, 2026
Save $7,635 AUD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $18,670 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

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 2239414776. Listed at 5 retailers as of November 2, 2026, with prices from $11,035 to $18,670, a $7,635 spread on the same certified stone. NZ Jewellers lists it at $18,670. 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
FluorescenceNone
Crown angle47.8°
Pavilion angle31.23°
OriginNatural
Grading LabGIA
CertificateGIA 2239414776
Dimensions9.16 × 6.80 × 4.45 mm
L/W Ratio1.35
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.16 mm6.80 mm2.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2239414776
Side View
Table 73.0%Crown 47.8°GirdlePavilion 31.23°Culet: NoneDepth 65.5%

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 2
Current: $18,670 AUD|Low: $10,290 AUD|High: $19,622 AUD|Avg: $13,361 AUD|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 6$10,290 AUD
Retailer 3$11,035 AUD
Retailer 5$11,163 AUD
Retailer 2$11,335 AUD
Retailer 4$15,555 AUD
NZ Jewellers$18,670 AUD

37 data points across 6 retailers

5 retailers$11,035 AUD to $18,670 AUD

A
Cheapest Retailer
-
$11,035 AUD
A
Retailer 2
-
$11,163 AUD
View
A
Retailer 3
-
$11,335 AUD
View
A
Retailer 4
-
$15,555 AUD
View
Most Expensive
B+
NZ Jewellers
87463401-ed47-4c47-ad03-47492034a6a0 · Nov 3
$18,670 AUD
$12,828 USD
View
4 more retailers have this diamond
Prices start from $11,035 AUDSave up to $7,635 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
$11,035 AUD