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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554902783

Certificate GIA 2554902783

Diamond specifications and retailer prices

From $23,381 AUD
SGD 22,194 SGD
As of October 29, 2026
Save $21,387 AUD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $44,768 AUD at With Clarity · As of October 29, 2026
View at With Clarity

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554902783. Listed at 9 retailers as of October 29, 2026, with prices from $23,381 to $44,768, a $21,387 spread on the same certified stone. With Clarity lists it at $44,768. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554902783
Dimensions8.54 × 5.46 × 5.46 mm
L/W Ratio1.56
Culet sizeNone
Top View
8.54 mm5.46 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 2554902783
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

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 29
Current: $26,109 AUD|Low: $23,381 AUD|High: $47,795 AUD|Avg: $30,561 AUD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 6$23,381 AUD
Retailer 3$24,979 AUD
Retailer 5$25,767 AUD
Retailer 1$26,109 AUD
Retailer 4$27,363 AUD
Retailer 8$30,841 AUD
Retailer 2$30,848 AUD
Retailer 7$32,708 AUD
With Clarity$44,768 AUD

43 data points across 9 retailers

9 retailers$23,381 AUD to $44,768 AUD

A
Cheapest Retailer
-
$23,381 AUD
SGD 22,194 SGD
A
Retailer 2
-
$24,979 AUD
SGD 23,711 SGD
View
A
Retailer 3
-
$25,767 AUD
$18,100 USD
View
A
Retailer 4
-
$26,109 AUD
£14,441 GBP
View
A
Retailer 5
-
$27,363 AUD
$19,221 USD
View
A
Retailer 6
-
$30,841 AUD
$21,664 USD
View
A
Retailer 7
-
$30,848 AUD
€20,637 EUR
View
A
Retailer 8
-
$32,708 AUD
$22,976 USD
View
Most Expensive
B+
With Clarity
2554902783 · Oct 29
$44,768 AUD
$31,447 USD
View
8 more retailers have this diamond
Prices start from $23,381 AUDSave up to $21,387 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
$23,381 AUD