Cushion|Lab Grown|IGI

1.62ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG474120546

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG474120546

Diamond specifications and retailer prices

From $306 SGD
$239 USD
As of October 30, 2026
Save $2,290 SGD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,595 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown cushion diamond

This 1.62ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474120546 or 474120546. Listed at 6 retailers as of October 30, 2026, with prices from $306 to $2,595, a $2,290 spread on the same certified stone. Do Amore Diamonds lists it at $2,595. 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

1.62
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474120546
Dimensions6.70 × 6.69 × 4.22 mm
L/W Ratio1.00
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
6.70 mm6.69 mm1.62 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474120546
Side View
Table 62.5%Crown 36.6°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 63.1%

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 30
Current: $2,595 SGD|Low: $192 SGD|High: $2,621 SGD|Avg: $1,296 SGD|+6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$306 SGD
Retailer 3$577 SGD
Retailer 4$1,133 SGD
Retailer 2$1,490 SGD
Retailer 5$1,675 SGD
Do Amore Diamonds$2,595 SGD

16 data points across 6 retailers

6 retailers$306 SGD to $2,595 SGD

A
Cheapest Retailer
-
$306 SGD
$239 USD
Final sale: no returns
B+
Retailer 2
-
$577 SGD
$451 USD
View
B+
Retailer 3
-
$1,133 SGD
$887 USD
View
B
Retailer 4
-
$1,490 SGD
£918 GBP
View
B
Retailer 5
-
$1,675 SGD
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-5DAFA3D0C · Oct 31
$2,595 SGD
$2,030 USD
View
5 more retailers have this diamond
Prices start from $306 SGDSave up to $2,290 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
1.62ct Cushion
$306 SGD