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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6545477320

Certificate GIA 6545477320

Diamond specifications and retailer prices

From $34,895 AUD
HK$191,500 HKD
As of October 25, 2026
Save $28,933 AUD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $63,829 AUD at MOH London · As of October 25, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545477320. Listed at 11 retailers as of October 25, 2026, with prices from $34,895 to $63,829, a $28,933 spread on the same certified stone. MOH London lists it at $63,829. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545477320
Dimensions8.54 × 8.61 × 5.42 mm
L/W Ratio1.01
Top View
8.54 mm8.61 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545477320
Side View
Table 56.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 63.2%

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: $63,829 AUD|Low: $34,895 AUD|High: $69,951 AUD|Avg: $46,259 AUD|-2.3%
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
October 26, 2026
Retailer 13$34,895 AUD
Retailer 8$36,128 AUD
Retailer 11$38,476 AUD
Retailer 3$39,791 AUD
Retailer 9$41,079 AUD
Retailer 2$41,949 AUD
Retailer 12$42,893 AUD
Retailer 5$43,628 AUD
Retailer 4$44,532 AUD
Retailer 14$45,972 AUD
Retailer 15$46,167 AUD
Retailer 7$46,584 AUD
Retailer 10$47,604 AUD
MOH London$63,829 AUD
Retailer 6$69,951 AUD

15 data points across 15 retailers

11 retailers$34,895 AUD to $63,829 AUD

A
Cheapest Retailer
-
$34,895 AUD
HK$191,500 HKD
A
Retailer 2
-
$36,128 AUD
₹2,416,917 INR
View
Retailer 3
-
$38,476 AUD
$27,027 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$41,079 AUD
$28,856 USD
View
B+
Retailer 5
-
$41,949 AUD
£23,202 GBP
View
B+
Retailer 6
-
$42,893 AUD
$30,130 USD
View
Retailer 7
-
$43,628 AUD
$30,646 USD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
$45,972 AUD
$32,293 USD
View
B+
Retailer 9
-
$46,167 AUD
$32,430 USD
View
B+
Retailer 10
-
$47,604 AUD
€31,847 EUR
View
Most Expensive
B
MOH London
801343AB1 · Oct 25
$63,829 AUD
£35,304 GBP
View
10 more retailers have this diamond
Prices start from $34,895 AUDSave up to $28,933 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
$34,895 AUD