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Cushion|Natural|IGI

1.80ct M SI2 Cushion Natural Diamond

VG • M/SI2 • IGI 729536751

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI 729536751

Diamond specifications and retailer prices

From $3,549 CAD
As of November 4, 2026
Save $1,065 CAD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,614 CAD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.8ct natural cushion diamond

This 1.8ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 729536751. Listed at 5 retailers as of November 4, 2026, with prices from $3,549 to $4,614, a $1,065 spread on the same certified stone. Yorxs lists it at $4,614. 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

1.80
Carat
M
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle29.2°
OriginNatural
Grading LabIGI
CertificateIGI 729536751
Dimensions6.64 × 6.36 × 4.49 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Top View
6.64 mm6.36 mm1.80 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 729536751
Side View
Table 60.0%Crown 36.4°Girdle: STK-VTKPavilion 29.2°Culet: NoneDepth 70.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,962 CAD|Low: $3,549 CAD|High: $4,715 CAD|Avg: $4,119 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 5$3,549 CAD
Retailer 2$3,699 CAD
Retailer 1$3,962 CAD
Retailer 4$4,162 CAD
Yorxs$4,614 CAD
Retailer 3$4,715 CAD

20 data points across 6 retailers

5 retailers$3,549 CAD to $4,614 CAD

B+
Cheapest Retailer
-
$3,549 CAD
B+
Retailer 2
-
$3,699 CAD
View
Retailer 3
-
$3,962 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,162 CAD
View
Most Expensive
B
Yorxs
B7438EC5D · Nov 6
$4,614 CAD
€3,124 EUR
View
4 more retailers have this diamond
Prices start from $3,549 CADSave up to $1,065 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+
1.80ct Cushion
$3,549 CAD