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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2566626434

Certificate GIA 2566626434

Diamond specifications and retailer prices

From $31,661 CAD
$22,665 USD
As of October 31, 2026
Save $22,789 CAD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $54,450 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566626434. Listed at 10 retailers as of October 31, 2026, with prices from $31,661 to $54,450, a $22,789 spread on the same certified stone. MOH London lists it at $54,450. 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
H
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566626434
Dimensions13.21 × 6.90 × 4.38 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
13.21 mm6.90 mm2.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566626434
Side View
Table 58.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 63.4%

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 31
Current: $54,450 CAD|Low: $31,661 CAD|High: $54,450 CAD|Avg: $38,041 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$31,661 CAD
Retailer 11$31,742 CAD
Retailer 3$34,365 CAD
Retailer 5$35,148 CAD
Retailer 9$35,154 CAD
Retailer 4$37,769 CAD
Retailer 6$39,222 CAD
Retailer 2$40,115 CAD
Retailer 7$40,680 CAD
Retailer 10$49,392 CAD
MOH London$54,450 CAD

4 data points across 11 retailers

10 retailers$31,661 CAD to $54,450 CAD

A
Cheapest Retailer
-
$31,661 CAD
$22,665 USD
A
Retailer 2
-
$31,742 CAD
$22,723 USD
View
B+
Retailer 3
-
$35,148 CAD
£19,812 GBP
View
B+
Retailer 4
-
$35,154 CAD
$25,166 USD
View
B+
Retailer 5
-
$37,769 CAD
$27,038 USD
View
B
Retailer 6
-
$39,222 CAD
$28,078 USD
View
B
Retailer 7
-
$40,115 CAD
£22,612 GBP
View
B
Retailer 8
-
$40,680 CAD
€27,735 EUR
View
B
Retailer 9
-
$49,392 CAD
$35,358 USD
View
Most Expensive
B
MOH London
7B90AC64C · Nov 1
$54,450 CAD
£30,692 GBP
View
9 more retailers have this diamond
Prices start from $31,661 CADSave up to $22,789 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 Marquise
$31,661 CAD