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Cushion|Lab Grown|IGI

1.71ct D SI2 Cushion Lab Grown Diamond

GD • D/SI2 • IGI LG478104336

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG478104336

Diamond specifications and retailer prices

From $371 CAD
As of November 6, 2026
Save $1,851 CAD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,222 CAD at MOH London · As of November 7, 2026
View at MOH London

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG478104336 or 478104336. Listed at 9 retailers as of November 6, 2026, with prices from $371 to $2,222, a $1,851 spread on the same certified stone. MOH London lists it at $2,222. 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

1.71
Carat
D
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478104336
Dimensions7.90 × 6.45 × 4.42 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.90 mm6.45 mm1.71 ctD / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478104336
Side View
Table 59.5%Crown 32.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 68.5%

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: Nov 6
Current: $2,222 CAD|Low: $371 CAD|High: $2,238 CAD|Avg: $1,085 CAD|+22.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$371 CAD
Retailer 3$505 CAD
Retailer 4$610 CAD
Retailer 5$792 CAD
Retailer 2$985 CAD
Retailer 7$1,352 CAD
Retailer 6$2,069 CAD
MOH London$2,222 CAD

41 data points across 8 retailers

9 retailers$371 CAD to $2,222 CAD

A
Cheapest Retailer
-
$371 CAD
Final sale: no returns
B+
Retailer 2
-
$505 CAD
View
B+
Retailer 3
-
$610 CAD
View
B+
Retailer 4
-
$792 CAD
View
B+
Retailer 5
-
$985 CAD
View
B
Retailer 6
-
$1,352 CAD
View
B
Retailer 7
-
$1,363 CAD
View
B
Retailer 8
-
$2,069 CAD
View
Most Expensive
C
MOH London
LG478104336 · Nov 7
$2,222 CAD
£1,244 GBP
View
8 more retailers have this diamond
Prices start from $371 CADSave up to $1,851 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
1.71ct Cushion
$371 CAD