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Radiant|Natural|GIA

2.50ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 6525756193

Certificate GIA 6525756193

Diamond specifications and retailer prices

From $30,323 AUD
₹2,028,564 INR
As of November 1, 2026
Save $5,515 AUD (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $35,838 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 2.5ct natural radiant diamond

This 2.5ct natural radiant sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525756193. Listed at 4 retailers as of November 1, 2026, with prices from $30,323 to $35,838, a $5,515 spread on the same certified stone. 77 Diamonds lists it at $35,838. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6525756193
Dimensions8.95 × 6.83 × 4.77 mm
L/W Ratio1.31
Top View
8.95 mm6.83 mm2.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525756193
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.9%

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 1
Current: $35,838 AUD|Low: $30,252 AUD|High: $36,201 AUD|Avg: $33,220 AUD|+1.5%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$30,323 AUD
77 Diamonds$35,838 AUD

45 data points across 2 retailers

4 retailers$30,323 AUD to $35,838 AUD

A
Cheapest Retailer
-
$30,323 AUD
₹2,028,564 INR
B+
Retailer 2
-
$30,775 AUD
CA$30,024 CAD
View
B+
Retailer 3
-
$31,015 AUD
View
Most Expensive
B+
77 Diamonds
RADMBST3ZS2KT · Nov 1
$35,838 AUD
£19,822 GBP
View
3 more retailers have this diamond
Prices start from $30,323 AUDSave up to $5,515 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
$30,323 AUD