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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6375087784

Certificate GIA 6375087784

Diamond specifications and retailer prices

From $34,339 CAD
$24,535 USD
As of October 27, 2026
Save $25,760 CAD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $60,100 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6375087784. Listed at 14 retailers as of October 27, 2026, with prices from $34,339 to $60,100, a $25,760 spread on the same certified stone. Diamond Quarter lists it at $60,100. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6375087784
Dimensions8.71 × 8.75 × 5.36 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.71 mm8.75 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6375087784
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

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 27
Current: $45,717 CAD|Low: $34,339 CAD|High: $59,615 CAD|Avg: $42,635 CAD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$34,339 CAD
Retailer 9$35,422 CAD
Retailer 7$36,698 CAD
Retailer 6$37,963 CAD
Retailer 2$38,061 CAD
Retailer 3$41,240 CAD
Retailer 1$45,717 CAD
Retailer 5$51,877 CAD
Retailer 4$59,221 CAD

40 data points across 9 retailers

14 retailers$34,339 CAD to $60,100 CAD

A
Cheapest Retailer
-
$34,339 CAD
$24,535 USD
A
Retailer 2
-
$35,422 CAD
$25,309 USD
View
A
Retailer 3
-
$36,698 CAD
$26,220 USD
View
A
Retailer 4
-
$37,963 CAD
A$41,730 AUD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$38,061 CAD
£21,413 GBP
View
B+
Retailer 6
-
$39,288 CAD
$28,071 USD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$39,603 CAD
$28,296 USD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$40,860 CAD
$29,194 USD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
$41,240 CAD
£23,201 GBP
View
B+
Retailer 10
-
$42,432 CAD
$30,317 USD
View
Price last confirmed 20 days ago
B+
Retailer 11
-
$45,717 CAD
€31,109 EUR
View
B+
Retailer 12
-
$51,877 CAD
ZAR 598,796 ZAR
View
B
Retailer 13
-
$59,221 CAD
£33,317 GBP
View
Most Expensive
B
Diamond Quarter
2.5SI1D638413FDN · Oct 29
$60,100 CAD
£33,812 GBP
View
13 more retailers have this diamond
Prices start from $34,339 CADSave up to $25,760 CAD

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
$34,339 CAD