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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2538690845

Certificate GIA 2538690845

Diamond specifications and retailer prices

From $23,860 AUD
$16,760 USD
As of October 25, 2026
Save $17,939 AUD (43%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $41,799 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538690845. Listed at 17 retailers as of October 25, 2026, with prices from $23,860 to $41,799, a $17,939 spread on the same certified stone. MOH London lists it at $41,799. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2538690845
Dimensions8.64 × 8.57 × 5.44 mm
L/W Ratio1.01
Top View
8.64 mm8.57 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538690845
Side View
Table 56.0%Crown 36.5°Girdle: ThickPavilion 41°Culet: NoneDepth 63.3%

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: Oct 25
Current: $41,799 AUD|Low: $23,860 AUD|High: $42,077 AUD|Avg: $29,955 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 12$23,860 AUD
Retailer 4$24,103 AUD
Retailer 5$24,473 AUD
Retailer 15$26,621 AUD
Retailer 2$26,980 AUD
Retailer 17$27,952 AUD
Retailer 3$28,441 AUD
Retailer 13$28,839 AUD
Retailer 6$29,298 AUD
Retailer 16$29,948 AUD
Retailer 8$30,209 AUD
Retailer 9$30,209 AUD
Retailer 7$31,220 AUD
Retailer 11$32,301 AUD
Retailer 10$32,841 AUD
Retailer 14$37,713 AUD
MOH London$41,799 AUD

24 data points across 17 retailers

17 retailers$23,860 AUD to $41,799 AUD

A
Cheapest Retailer
-
$23,860 AUD
$16,760 USD
A
Retailer 2
-
$24,103 AUD
$16,931 USD
View
A
Retailer 3
-
$24,473 AUD
$17,191 USD
View
B+
Retailer 4
-
$26,621 AUD
$18,700 USD
View
A
Retailer 5
-
$26,980 AUD
£14,923 GBP
View
B+
Retailer 6
-
$27,952 AUD
$19,635 USD
View
B+
Retailer 7
-
$28,441 AUD
$19,978 USD
View
B+
Retailer 8
-
$28,839 AUD
$20,258 USD
View
B+
Retailer 9
-
$29,298 AUD
$20,580 USD
View
B+
Retailer 10
-
$29,948 AUD
$21,037 USD
View
B+
Retailer 11
-
$30,209 AUD
$21,220 USD
View
B+
Retailer 12
-
$30,209 AUD
$21,220 USD
View
B+
Retailer 13
-
$31,220 AUD
$21,930 USD
View
B+
Retailer 14
-
$32,301 AUD
€21,609 EUR
View
B+
Retailer 15
-
$32,841 AUD
£18,164 GBP
View
B
Retailer 16
-
$37,713 AUD
$26,491 USD
View
Most Expensive
B
MOH London
7FD33A44B · Oct 29
$41,799 AUD
£23,119 GBP
View
16 more retailers have this diamond
Prices start from $23,860 AUDSave up to $17,939 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 Round
$23,860 AUD