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Cushion|Lab Grown|IGI

0.71ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG506187708

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG506187708

Diamond specifications and retailer prices

From $382 CAD
$273 USD
As of October 28, 2026
Save $1,244 CAD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,626 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown cushion diamond

This 0.71ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506187708 or 506187708. Listed at 3 retailers as of October 28, 2026, with prices from $382 to $1,626, a $1,244 spread on the same certified stone. MOH London lists it at $1,626. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506187708
Dimensions5.21 × 5.09 × 3.60 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.21 mm5.09 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506187708
Side View
Table 58.5%Crown 34.2°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,626 CAD|Low: $263 CAD|High: $1,637 CAD|Avg: $817 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$382 CAD
Retailer 2$389 CAD
Retailer 4$812 CAD
Retailer 5$812 CAD
Retailer 6$924 CAD
MOH London$1,626 CAD

33 data points across 6 retailers

3 retailers$382 CAD to $1,626 CAD

A
Cheapest Retailer
-
$382 CAD
$273 USD
A
Retailer 2
-
$389 CAD
£219 GBP
View
Most Expensive
B
MOH London
LG506187708 · Oct 29
$1,626 CAD
£915 GBP
View
2 more retailers have this diamond
Prices start from $382 CADSave up to $1,244 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
0.71ct Cushion
$382 CAD