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Round|Natural|HRD

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • HRD 260000177902

Certificate HRD 260000177902

Diamond specifications and retailer prices

From $20,708 AUD
£11,454 GBP
As of October 30, 2026
Save $4,692 AUD (18%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $25,399 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 HRD 260000177902. Listed at 7 retailers as of October 26, 2026, with prices from $20,708 to $25,399, a $4,692 spread on the same certified stone. Wholesale Diamonds Direct lists it at $25,399. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.7°
OriginNatural
Grading LabHRD
CertificateHRD 260000177902
Dimensions8.65 × 8.60 × 5.41 mm
L/W Ratio1.01
Top View
8.65 mm8.60 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 260000177902
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $20,708 AUD|Low: $20,583 AUD|High: $27,409 AUD|Avg: $23,161 AUD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
October 30, 2026
Retailer 1$20,708 AUD
Retailer 2$20,731 AUD
Retailer 5$20,941 AUD
Retailer 3$20,978 AUD
Retailer 6$23,695 AUD
Retailer 4$24,340 AUD
Wholesale Diamonds Direct$25,399 AUD

43 data points across 7 retailers

7 retailers$20,708 AUD to $25,399 AUD

A
Cheapest Retailer
-
$20,708 AUD
£11,454 GBP
A
Retailer 2
-
$20,731 AUD
SGD 19,679 SGD
View
Retailer 3
-
$20,941 AUD
$14,710 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$20,978 AUD
$14,736 USD
View
A
Retailer 5
-
$23,695 AUD
$16,644 USD
View
Retailer 6
-
$24,340 AUD
€16,283 EUR
View
Price last confirmed 8 days ago
Most Expensive
A
Wholesale Diamonds Direct
586833484 · Oct 26
$25,399 AUD
$17,842 USD
View
6 more retailers have this diamond
Prices start from $20,708 AUDSave up to $4,692 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
$20,708 AUD