Cushion|Lab Grown|IGI

1.60ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG539232875

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539232875

Diamond specifications and retailer prices

From $308 CAD
$220 USD
As of October 28, 2026
Save $1,708 CAD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,015 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG539232875 or 539232875. Listed at 15 retailers as of October 28, 2026, with prices from $308 to $2,015, a $1,708 spread on the same certified stone. Brilliant Earth lists it at $2,015. 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 angle38.6°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539232875
Dimensions7.90 × 5.95 × 3.93 mm
L/W Ratio1.33
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
7.90 mm5.95 mm1.60 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539232875
Side View
Table 60.0%Crown 38.6°Girdle: THK-VTKPavilion 31.2°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $2,015 CAD|Low: $308 CAD|High: $2,155 CAD|Avg: $886 CAD|-6.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$308 CAD
Retailer 11$342 CAD
Retailer 2$382 CAD
Retailer 7$462 CAD
Retailer 6$564 CAD
Retailer 5$626 CAD
Retailer 4$690 CAD
Retailer 12$812 CAD
Retailer 10$872 CAD
Retailer 9$1,463 CAD
Retailer 8$1,602 CAD
Brilliant Earth$2,015 CAD

44 data points across 12 retailers

15 retailers$308 CAD to $2,015 CAD

A
Cheapest Retailer
-
$308 CAD
$220 USD
Final sale: no returns
A
Retailer 2
-
$342 CAD
$244 USD
View
A
Retailer 3
-
$382 CAD
£215 GBP
View
B+
Retailer 4
-
$462 CAD
$330 USD
View
A
Retailer 5
-
$564 CAD
€384 EUR
View
A
Retailer 6
-
$626 CAD
£352 GBP
View
A
Retailer 7
-
$690 CAD
$493 USD
View
A
Retailer 8
-
$757 CAD
$541 USD
View
B+
Retailer 9
-
$812 CAD
$580 USD
View
B+
Retailer 10
-
$872 CAD
$623 USD
View
B+
Retailer 11
-
$1,175 CAD
$839 USD
View
Retailer 12
-
$1,463 CAD
$1,045 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,602 CAD
£901 GBP
View
B
Retailer 14
-
$1,658 CAD
$1,184 USD
View
Most Expensive
B
Brilliant Earth
10789185A · Oct 29
$2,015 CAD
$1,440 USD
View
14 more retailers have this diamond
Prices start from $308 CADSave up to $1,708 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
$308 CAD