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Round|Natural|GIA

2.50ct I SI2 Round Natural Diamond

ID • I/SI2 • GIA 3555613841

Certificate GIA 3555613841

Diamond specifications and retailer prices

From $13,427 AUD
$9,432 USD
As of October 28, 2026
5 retailers carry this diamond
Most expensive: $32,418 AUD at Diamonds Direct · As of October 23, 2026
View at Diamonds Direct

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 3555613841. Listed at 5 retailers as of October 28, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555613841
Dimensions8.58 × 8.64 × 5.45 mm
L/W Ratio1.01
Top View
8.58 mm8.64 mm2.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3555613841
Side View
Table 56.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $32,418 AUD|Low: $13,427 AUD|High: $34,131 AUD|Avg: $23,682 AUD|-5.0%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 2$13,427 AUD
Retailer 7$18,549 AUD
Retailer 6$19,949 AUD
Retailer 4$23,589 AUD
Retailer 5$24,455 AUD
Retailer 3$28,539 AUD
Diamonds Direct$32,418 AUD

34 data points across 7 retailers

5 retailers

A
Cheapest Retailer
-
$13,427 AUD
$9,432 USD
Retailer 2
-
$23,589 AUD
$16,570 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$24,455 AUD
$17,178 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$28,539 AUD
$20,047 USD
View
Price last confirmed 11 days ago
Most Expensive
Diamonds Direct
1046227 · Oct 23
$32,418 AUD
$22,772 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $13,427 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
$13,427 AUD