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Cushion|Lab Grown|IGI

1.61ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG497146598

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG497146598

Diamond specifications and retailer prices

From $295 CAD
$211 USD
As of October 28, 2026
Save $1,376 CAD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,671 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497146598 or 497146598. Listed at 13 retailers as of October 28, 2026, with prices from $295 to $1,671, a $1,376 spread on the same certified stone. MOH London lists it at $1,671. 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

1.61
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497146598
Dimensions6.63 × 6.59 × 4.42 mm
L/W Ratio1.01
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
6.63 mm6.59 mm1.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497146598
Side View
Table 62.0%Crown 38.5°Girdle: STK-THKPavilion 36°Culet: NoneDepth 67.1%

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: $1,671 CAD|Low: $295 CAD|High: $1,683 CAD|Avg: $858 CAD|+8.4%
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
October 29, 2026
Retailer 5$295 CAD
Retailer 11$355 CAD
Retailer 9$490 CAD
Retailer 4$574 CAD
Retailer 6$614 CAD
Retailer 2$654 CAD
Retailer 12$710 CAD
Retailer 10$719 CAD
Retailer 8$936 CAD
Retailer 13$1,218 CAD
Retailer 7$1,225 CAD
Retailer 3$1,610 CAD
MOH London$1,671 CAD

41 data points across 13 retailers

13 retailers$295 CAD to $1,671 CAD

A
Cheapest Retailer
-
$295 CAD
$211 USD
Final sale: no returns
A
Retailer 2
-
$355 CAD
$254 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$490 CAD
$350 USD
View
A
Retailer 4
-
$574 CAD
£323 GBP
View
Price last confirmed 24 days ago
A
Retailer 5
-
$614 CAD
€418 EUR
View
A
Retailer 6
-
$654 CAD
£368 GBP
View
A
Retailer 7
-
$710 CAD
$507 USD
View
A
Retailer 8
-
$719 CAD
$514 USD
View
B+
Retailer 9
-
$936 CAD
$669 USD
View
B+
Retailer 10
-
$1,218 CAD
$870 USD
View
B+
Retailer 11
-
$1,225 CAD
$875 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,610 CAD
$1,150 USD
View
Most Expensive
B
MOH London
LG497146598 · Oct 29
$1,671 CAD
£940 GBP
View
12 more retailers have this diamond
Prices start from $295 CADSave up to $1,376 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
1.61ct Cushion
$295 CAD