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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 6542731304

Certificate GIA 6542731304

Diamond specifications and retailer prices

From $27,139 AUD
SGD 25,762 SGD
As of October 30, 2026
Save $9,699 AUD (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $36,838 AUD at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

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 very-good cut grade and certified by GIA 6542731304. Listed at 10 retailers as of October 29, 2026, with prices from $27,139 to $36,838, a $9,699 spread on the same certified stone. The Diamond Guys lists it at $36,838. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6542731304
Dimensions8.45 × 8.37 × 5.46 mm
L/W Ratio1.01
Top View
8.45 mm8.37 mm2.50 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542731304
Side View
Table 56.0%Crown 38.5°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.9%

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: $29,206 AUD|Low: $27,139 AUD|High: $51,695 AUD|Avg: $34,732 AUD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 5$27,139 AUD
Retailer 7$29,158 AUD
Retailer 1$29,206 AUD
Retailer 3$30,252 AUD
Retailer 10$30,395 AUD
Retailer 6$30,604 AUD
Retailer 9$30,969 AUD
Retailer 8$34,878 AUD
Retailer 12$35,395 AUD
Retailer 11$36,827 AUD
Retailer 2$42,526 AUD
Retailer 4$51,695 AUD

41 data points across 12 retailers

10 retailers$27,139 AUD to $36,838 AUD

A
Cheapest Retailer
-
$27,139 AUD
SGD 25,762 SGD
A
Retailer 2
-
$29,158 AUD
$20,482 USD
View
A
Retailer 3
-
$29,206 AUD
£16,154 GBP
View
Retailer 4
-
$30,252 AUD
$21,250 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$30,395 AUD
$21,351 USD
View
A
Retailer 6
-
$30,604 AUD
SGD 29,051 SGD
View
A
Retailer 7
-
$30,969 AUD
$21,754 USD
View
A
Retailer 8
-
$34,878 AUD
$24,500 USD
View
B+
Retailer 9
-
$36,827 AUD
$25,869 USD
View
Most Expensive
B+
The Diamond Guys
1924632494 · Oct 29
$36,838 AUD
$25,877 USD
View
9 more retailers have this diamond
Prices start from $27,139 AUDSave up to $9,699 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
$27,139 AUD