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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2537885049

Certificate GIA 2537885049

Diamond specifications and retailer prices

From $24,586 AUD
$17,270 USD
As of October 25, 2026
Save $19,363 AUD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $43,948 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 2537885049. Listed at 15 retailers as of October 25, 2026, with prices from $24,586 to $43,948, a $19,363 spread on the same certified stone. MOH London lists it at $43,948. 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°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537885049
Dimensions8.63 × 8.59 × 5.38 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537885049
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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: $43,948 AUD|Low: $24,586 AUD|High: $44,241 AUD|Avg: $31,586 AUD|+0.5%
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
October 31, 2026
Retailer 3$24,586 AUD
Retailer 7$25,417 AUD
Retailer 13$28,613 AUD
Retailer 4$29,390 AUD
Retailer 5$29,619 AUD
Retailer 6$30,209 AUD
Retailer 10$30,209 AUD
Retailer 2$31,104 AUD
Retailer 12$31,220 AUD
Retailer 9$33,963 AUD
Retailer 11$34,108 AUD
Retailer 8$39,168 AUD
MOH London$43,948 AUD

40 data points across 13 retailers

15 retailers$24,586 AUD to $43,948 AUD

A
Cheapest Retailer
-
$24,586 AUD
$17,270 USD
A
Retailer 2
-
$25,417 AUD
$17,854 USD
View
B+
Retailer 3
-
$27,991 AUD
$19,662 USD
View
B+
Retailer 4
-
$28,613 AUD
£15,826 GBP
View
B+
Retailer 5
-
$29,390 AUD
$20,645 USD
View
B+
Retailer 6
-
$29,619 AUD
$20,806 USD
View
B+
Retailer 7
-
$30,209 AUD
$21,220 USD
View
B+
Retailer 8
-
$30,209 AUD
$21,220 USD
View
B+
Retailer 9
-
$30,323 AUD
$21,300 USD
View
B+
Retailer 10
-
$31,104 AUD
$21,849 USD
View
B+
Retailer 11
-
$31,220 AUD
$21,930 USD
View
B+
Retailer 12
-
$33,963 AUD
€22,721 EUR
View
B+
Retailer 13
-
$34,108 AUD
£18,865 GBP
View
B
Retailer 14
-
$39,168 AUD
$27,513 USD
View
Most Expensive
B
MOH London
8DAA37E63 · Oct 29
$43,948 AUD
£24,308 GBP
View
14 more retailers have this diamond
Prices start from $24,586 AUDSave up to $19,363 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
$24,586 AUD