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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 $270 SGD
$211 USD
As of October 28, 2026
Save $1,260 SGD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,530 SGD 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 $270 to $1,530, a $1,260 spread on the same certified stone. MOH London lists it at $1,530. 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
Colour
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: $1,530 SGD|Low: $270 SGD|High: $1,541 SGD|Avg: $785 SGD|+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$270 SGD
Retailer 11$326 SGD
Retailer 9$449 SGD
Retailer 4$526 SGD
Retailer 6$563 SGD
Retailer 2$599 SGD
Retailer 12$650 SGD
Retailer 10$659 SGD
Retailer 8$857 SGD
Retailer 13$1,115 SGD
Retailer 7$1,121 SGD
Retailer 3$1,474 SGD
MOH London$1,530 SGD

41 data points across 13 retailers

13 retailers$270 SGD to $1,530 SGD

A
Cheapest Retailer
-
$270 SGD
$211 USD
Final sale: no returns
Retailer 2
-
$326 SGD
$254 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$449 SGD
$350 USD
View
Retailer 4
-
$526 SGD
£323 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
$563 SGD
€418 EUR
View
A
Retailer 6
-
$599 SGD
£368 GBP
View
A
Retailer 7
-
$650 SGD
$507 USD
View
A
Retailer 8
-
$659 SGD
$514 USD
View
B+
Retailer 9
-
$857 SGD
$669 USD
View
B+
Retailer 10
-
$1,115 SGD
$870 USD
View
Retailer 11
-
$1,121 SGD
$875 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$1,474 SGD
$1,150 USD
View
Most Expensive
B
MOH London
LG497146598 · Oct 29
$1,530 SGD
£940 GBP
View
12 more retailers have this diamond
Prices start from $270 SGDSave up to $1,260 SGD

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
$270 SGD