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Cushion|Lab Grown|IGI

1.63ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG470141765

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG470141765

Diamond specifications and retailer prices

From $337 CAD
$241 USD
As of October 28, 2026
Save $2,518 CAD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,855 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown cushion diamond

This 1.63ct 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 LG470141765 or 470141765. Listed at 4 retailers as of October 28, 2026, with prices from $337 to $2,855, a $2,518 spread on the same certified stone. Do Amore Diamonds lists it at $2,855. 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

1.63
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470141765
Dimensions6.99 × 6.61 × 4.30 mm
L/W Ratio1.06
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
6.99 mm6.61 mm1.63 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470141765
Side View
Table 64.0%Crown 33.5°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 65.1%

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: $2,855 CAD|Low: $211 CAD|High: $2,883 CAD|Avg: $1,228 CAD|+6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 26, 2026
Retailer 4$337 CAD
Retailer 3$634 CAD
Retailer 8$712 CAD
Retailer 7$812 CAD
Retailer 5$855 CAD
Retailer 6$1,140 CAD
Retailer 2$1,635 CAD
Retailer 9$2,113 CAD
Do Amore Diamonds$2,855 CAD

11 data points across 9 retailers

4 retailers$337 CAD to $2,855 CAD

A
Cheapest Retailer
-
$337 CAD
$241 USD
Final sale: no returns
B+
Retailer 2
-
$634 CAD
$453 USD
View
B
Retailer 3
-
$1,635 CAD
£920 GBP
View
Most Expensive
B
Do Amore Diamonds
27-03466DCAF · Oct 29
$2,855 CAD
$2,040 USD
View
3 more retailers have this diamond
Prices start from $337 CADSave up to $2,518 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
1.63ct Cushion
$337 CAD