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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 $211 USD
As of October 28, 2026
Save $983 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,194 USD 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 $211 to $1,194, a $983 spread on the same certified stone. MOH London lists it at $1,194. 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: $1,194 USD|Low: $211 USD|High: $1,203 USD|Avg: $613 USD|+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$211 USD
Retailer 11$254 USD
Retailer 9$350 USD
Retailer 4$410 USD
Retailer 6$439 USD
Retailer 2$467 USD
Retailer 12$507 USD
Retailer 10$514 USD
Retailer 8$669 USD
Retailer 13$870 USD
Retailer 7$875 USD
Retailer 3$1,150 USD
MOH London$1,194 USD

41 data points across 13 retailers

13 retailers$211 USD to $1,194 USD

A
Cheapest Retailer
-
$211 USD
Final sale: no returns
A
Retailer 2
-
$254 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$350 USD
View
A
Retailer 4
-
$410 USD
£323 GBP
View
Price last confirmed 24 days ago
A
Retailer 5
-
$439 USD
€418 EUR
View
A
Retailer 6
-
$467 USD
£368 GBP
View
A
Retailer 7
-
$507 USD
View
A
Retailer 8
-
$514 USD
View
B+
Retailer 9
-
$669 USD
View
B+
Retailer 10
-
$870 USD
View
B+
Retailer 11
-
$875 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,150 USD
View
Most Expensive
B
MOH London
LG497146598 · Oct 29
$1,194 USD
£940 GBP
View
12 more retailers have this diamond
Prices start from $211 USDSave up to $983 USD

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
$211 USD