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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6545373534

Certificate GIA 6545373534

Diamond specifications and retailer prices

From $24,403 AUD
$17,142 USD
As of October 30, 2026
Save $17,395 AUD (42%) vs most expensive(unlock to see where)
21 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 6545373534. Listed at 21 retailers as of October 29, 2026, with prices from $24,403 to $41,799, a $17,395 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 angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545373534
Dimensions8.58 × 8.63 × 5.43 mm
L/W Ratio1.01
Top View
8.58 mm8.63 mm2.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545373534
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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 30
Current: $41,799 AUD|Low: $21,375 AUD|High: $42,077 AUD|Avg: $28,376 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
Retailer 18
October 31, 2026
Retailer 7$24,403 AUD
Retailer 6$24,473 AUD
Retailer 3$24,624 AUD
Retailer 2$25,292 AUD
Retailer 18$25,511 AUD
Retailer 14$25,650 AUD
Retailer 11$26,980 AUD
Retailer 8$27,091 AUD
Retailer 16$27,574 AUD
Retailer 5$28,441 AUD
Retailer 9$29,227 AUD
Retailer 17$29,227 AUD
Retailer 4$30,195 AUD
Retailer 10$30,300 AUD
Retailer 15$31,978 AUD
Retailer 13$32,009 AUD
Retailer 12$32,841 AUD
MOH London$41,799 AUD

30 data points across 18 retailers

21 retailers$24,403 AUD to $41,799 AUD

A
Cheapest Retailer
-
$24,403 AUD
$17,142 USD
A
Retailer 2
-
$24,473 AUD
$17,191 USD
View
A
Retailer 3
-
$24,624 AUD
$17,297 USD
View
A
Retailer 4
-
$25,292 AUD
₹1,692,007 INR
View
A
Retailer 5
-
$25,511 AUD
$17,920 USD
View
Final sale: no returns
A
Retailer 6
-
$25,650 AUD
$18,018 USD
View
A
Retailer 7
-
$26,980 AUD
£14,923 GBP
View
B+
Retailer 8
-
$27,091 AUD
$19,030 USD
View
Retailer 9
-
$27,574 AUD
$19,369 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$28,378 AUD
$19,934 USD
View
B+
Retailer 11
-
$28,441 AUD
$19,978 USD
View
Retailer 12
-
$29,211 AUD
$20,519 USD
View
Price last confirmed 37 days ago
B+
Retailer 13
-
$29,227 AUD
$20,530 USD
View
B+
Retailer 14
-
$29,227 AUD
$20,530 USD
View
B+
Retailer 15
-
$30,195 AUD
$21,210 USD
View
Retailer 16
-
$30,300 AUD
$21,284 USD
View
Price last confirmed 17 days ago
Retailer 17
-
$30,334 AUD
$21,308 USD
View
Price last confirmed 38 days ago
B+
Retailer 18
-
$31,978 AUD
$22,462 USD
View
B+
Retailer 19
-
$32,009 AUD
€21,414 EUR
View
B+
Retailer 20
-
$32,841 AUD
£18,164 GBP
View
Most Expensive
B
MOH London
F362CC09F · Oct 29
$41,799 AUD
£23,119 GBP
View
20 more retailers have this diamond
Prices start from $24,403 AUDSave up to $17,395 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
$24,403 AUD