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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 765635213

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 765635213

Diamond specifications and retailer prices

From $17,222 CAD
₹1,174,166 INR
As of October 31, 2026
Save $10,707 CAD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,929 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 765635213. Listed at 12 retailers as of October 31, 2026, with prices from $17,222 to $27,929, a $10,707 spread on the same certified stone. MOH London lists it at $27,929. 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 angle32.6°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 765635213
Dimensions13.51 × 7.21 × 4.23 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
13.51 mm7.21 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 765635213
Side View
Table 55.0%Crown 32.6°Girdle: THK-VTKPavilion 37.7°Culet: NoneDepth 58.7%

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: $27,929 CAD|Low: $17,178 CAD|High: $30,803 CAD|Avg: $22,320 CAD|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5$17,222 CAD
Retailer 11$17,622 CAD
Retailer 3$18,326 CAD
Retailer 4$18,915 CAD
Retailer 12$20,354 CAD
Retailer 2$20,860 CAD
Retailer 9$21,055 CAD
Retailer 10$21,385 CAD
Retailer 6$22,207 CAD
Retailer 7$22,534 CAD
Retailer 8$25,334 CAD
MOH London$27,929 CAD

41 data points across 12 retailers

12 retailers$17,222 CAD to $27,929 CAD

A
Cheapest Retailer
-
$17,222 CAD
₹1,174,166 INR
A
Retailer 2
-
$17,622 CAD
$12,615 USD
View
A
Retailer 3
-
$18,326 CAD
$13,119 USD
View
A
Retailer 4
-
$18,915 CAD
$13,541 USD
View
Final sale: no returns
B+
Retailer 5
-
$20,354 CAD
$14,571 USD
View
A
Retailer 6
-
$20,860 CAD
£11,758 GBP
View
B+
Retailer 7
-
$21,055 CAD
$15,073 USD
View
B+
Retailer 8
-
$21,385 CAD
$15,309 USD
View
B+
Retailer 9
-
$22,207 CAD
$15,897 USD
View
A
Retailer 10
-
$22,534 CAD
€15,363 EUR
View
B+
Retailer 11
-
$25,334 CAD
$18,136 USD
View
Most Expensive
B+
MOH London
4A2A77C0B · Nov 1
$27,929 CAD
£15,743 GBP
View
11 more retailers have this diamond
Prices start from $17,222 CADSave up to $10,707 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
$17,222 CAD