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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6542928665

Certificate GIA 6542928665

Diamond specifications and retailer prices

From $25,653 AUD
$18,020 USD
As of October 25, 2026
Save $19,371 AUD (43%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $45,024 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 6542928665. Listed at 15 retailers as of October 25, 2026, with prices from $25,653 to $45,024, a $19,371 spread on the same certified stone. MOH London lists it at $45,024. 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
OriginNatural
Grading LabGIA
CertificateGIA 6542928665
Dimensions8.64 × 8.70 × 5.44 mm
L/W Ratio1.01
Top View
8.64 mm8.70 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542928665
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.8%

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: $45,024 AUD|Low: $25,653 AUD|High: $45,324 AUD|Avg: $32,548 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$25,653 AUD
Retailer 6$26,361 AUD
Retailer 2$29,318 AUD
Retailer 7$30,109 AUD
Retailer 8$30,263 AUD
Retailer 4$34,884 AUD
Retailer 3$35,375 AUD
MOH London$45,024 AUD

42 data points across 8 retailers

15 retailers$25,653 AUD to $45,024 AUD

A
Cheapest Retailer
-
$25,653 AUD
$18,020 USD
A
Retailer 2
-
$26,361 AUD
$18,517 USD
View
B+
Retailer 3
-
$28,676 AUD
$20,143 USD
View
B+
Retailer 4
-
$29,318 AUD
£16,216 GBP
View
B+
Retailer 5
-
$30,109 AUD
$21,150 USD
View
B+
Retailer 6
-
$30,263 AUD
$21,258 USD
View
B+
Retailer 7
-
$31,064 AUD
$21,821 USD
View
B+
Retailer 8
-
$31,205 AUD
$21,920 USD
View
B+
Retailer 9
-
$31,205 AUD
$21,920 USD
View
B+
Retailer 10
-
$32,245 AUD
$22,650 USD
View
B+
Retailer 11
-
$32,259 AUD
$22,660 USD
View
B
Retailer 12
-
$34,884 AUD
€23,337 EUR
View
B
Retailer 13
-
$35,375 AUD
£19,566 GBP
View
B
Retailer 14
-
$40,622 AUD
$28,535 USD
View
Most Expensive
B
MOH London
2BEADA603 · Oct 29
$45,024 AUD
£24,903 GBP
View
14 more retailers have this diamond
Prices start from $25,653 AUDSave up to $19,371 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
$25,653 AUD