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Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG487193650

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

Certificate IGI LG487193650

Diamond specifications and retailer prices

From $298 CAD
$213 USD
As of October 30, 2026
Save $2,259 CAD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,556 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.6ct lab-grown cushion diamond

This 1.6ct 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 LG487193650 or 487193650. Listed at 12 retailers as of October 29, 2026, with prices from $298 to $2,556, a $2,259 spread on the same certified stone. Do Amore Diamonds lists it at $2,556. 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

1.60
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193650
Dimensions6.81 × 6.77 × 4.57 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
6.81 mm6.77 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193650
Side View
Table 60.5%Crown 33.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 67.5%

Caratlytics Score

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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: $672 CAD|Low: $298 CAD|High: $2,445 CAD|Avg: $970 CAD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$298 CAD
Retailer 8$330 CAD
Retailer 2$443 CAD
Retailer 3$594 CAD
Retailer 1$672 CAD
Retailer 10$799 CAD
Retailer 5$1,214 CAD
Retailer 6$1,439 CAD
Retailer 4$1,465 CAD
Retailer 7$2,221 CAD

42 data points across 10 retailers

12 retailers$298 CAD to $2,556 CAD

A
Cheapest Retailer
-
$298 CAD
$213 USD
Final sale: no returns
A
Retailer 2
-
$330 CAD
$236 USD
View
B+
Retailer 3
-
$443 CAD
$317 USD
View
A
Retailer 4
-
$594 CAD
€405 EUR
View
A
Retailer 5
-
$608 CAD
$435 USD
View
A
Retailer 6
-
$672 CAD
£379 GBP
View
A
Retailer 7
-
$799 CAD
$572 USD
View
B+
Retailer 8
-
$1,214 CAD
$869 USD
View
Retailer 9
-
$1,439 CAD
$1,030 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$1,465 CAD
£826 GBP
View
B
Retailer 11
-
$2,221 CAD
$1,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-7B52CA9F4 · Oct 29
$2,556 CAD
$1,830 USD
View
11 more retailers have this diamond
Prices start from $298 CADSave up to $2,259 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
1.60ct Cushion
$298 CAD