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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

H/SI2

Diamond specifications and retailer prices

From $37,498 CAD
As of October 30, 2026
Save $9,002 CAD (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $46,500 CAD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

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) and certified by GIA. Listed at 7 retailers as of October 30, 2026, with prices from $37,498 to $46,500, a $9,002 spread on the same certified stone. The Diamond Guys lists it at $46,500. 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
H
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions13.78 × 7.17 × 4.28 mm
L/W Ratio1.92
Top View
13.78 mm7.17 mm2.50 ctH / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCuletDepth 59.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $41,058 CAD|Low: $37,498 CAD|High: $46,500 CAD|Avg: $42,353 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
October 16, 2026
Retailer 5$37,498 CAD
Retailer 3$40,731 CAD
Retailer 1$41,058 CAD
Retailer 2$42,361 CAD
Retailer 6$43,294 CAD
Retailer 4$43,990 CAD
The Diamond Guys$46,500 CAD

5 data points across 7 retailers

7 retailers$37,498 CAD to $46,500 CAD

B
Cheapest Retailer
-
$37,498 CAD
B
Retailer 2
-
$40,731 CAD
$29,158 USD
View
B
Retailer 3
-
$41,058 CAD
$29,392 USD
View
C
Retailer 4
-
$42,361 CAD
$30,325 USD
View
B
Retailer 5
-
$43,294 CAD
$30,993 USD
View
B
Retailer 6
-
$43,990 CAD
$31,491 USD
View
Most Expensive
C
The Diamond Guys
1975800448 · Oct 31
$46,500 CAD
$33,288 USD
View
6 more retailers have this diamond
Prices start from $37,498 CADSave up to $9,002 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.

B
2.50ct Marquise
$37,498 CAD