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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 747550630

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 747550630

Diamond specifications and retailer prices

From $22,308 CAD
$15,970 USD
As of October 30, 2026
Save $12,025 CAD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $34,333 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 747550630. Listed at 11 retailers as of October 30, 2026, with prices from $22,308 to $34,333, a $12,025 spread on the same certified stone. MOH London lists it at $34,333. 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

2.51
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 747550630
Dimensions12.88 × 6.98 × 4.68 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
12.88 mm6.98 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747550630
Side View
Table 57.0%Crown 39°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 67.0%

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: $34,333 CAD|Low: $21,846 CAD|High: $35,215 CAD|Avg: $26,575 CAD|+1.0%
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
November 1, 2026
Retailer 4$21,846 CAD
Retailer 12$22,308 CAD
Retailer 13$23,254 CAD
Retailer 9$23,478 CAD
Retailer 11$24,266 CAD
Retailer 2$25,643 CAD
Retailer 8$25,883 CAD
Retailer 7$26,288 CAD
Retailer 6$26,674 CAD
Retailer 3$27,300 CAD
Retailer 5$29,175 CAD
Retailer 10$31,144 CAD
MOH London$34,333 CAD

35 data points across 13 retailers

11 retailers$22,308 CAD to $34,333 CAD

A
Cheapest Retailer
-
$22,308 CAD
$15,970 USD
A
Retailer 2
-
$23,254 CAD
$16,647 USD
View
Final sale: no returns
A
Retailer 3
-
$23,478 CAD
$16,808 USD
View
B+
Retailer 4
-
$24,266 CAD
$17,371 USD
View
A
Retailer 5
-
$25,643 CAD
£14,455 GBP
View
B+
Retailer 6
-
$25,883 CAD
$18,529 USD
View
B+
Retailer 7
-
$26,288 CAD
$18,819 USD
View
A
Retailer 8
-
$26,674 CAD
€18,186 EUR
View
B+
Retailer 9
-
$27,300 CAD
$19,543 USD
View
B+
Retailer 10
-
$31,144 CAD
$22,295 USD
View
Most Expensive
B+
MOH London
BC8D35EA9 · Nov 1
$34,333 CAD
£19,353 GBP
View
10 more retailers have this diamond
Prices start from $22,308 CADSave up to $12,025 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
2.51ct Marquise
$22,308 CAD