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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG581326974

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG581326974

Diamond specifications and retailer prices

From $363 CAD
$260 USD
As of October 30, 2026
Save $2,291 CAD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,654 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581326974 or 581326974. Listed at 10 retailers as of October 30, 2026, with prices from $363 to $2,654, a $2,291 spread on the same certified stone. Do Amore Diamonds lists it at $2,654. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581326974
Dimensions6.42 × 5.41 × 3.69 mm
L/W Ratio1.19
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
6.42 mm5.41 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581326974
Side View
Table 62.0%Crown 35.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 68.2%

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: $2,654 CAD|Low: $236 CAD|High: $2,654 CAD|Avg: $885 CAD|+21.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$236 CAD
Retailer 5$344 CAD
Retailer 6$363 CAD
Retailer 10$572 CAD
Retailer 7$595 CAD
Retailer 4$698 CAD
Retailer 11$1,033 CAD
Retailer 9$1,259 CAD
Retailer 8$1,458 CAD
Retailer 2$1,517 CAD
Do Amore Diamonds$2,654 CAD

37 data points across 11 retailers

10 retailers$363 CAD to $2,654 CAD

Retailer 1
-
$344 CAD
$246 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$363 CAD
$260 USD
View
Retailer 3
-
$572 CAD
£322 GBP
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$595 CAD
$426 USD
View
B+
Retailer 5
-
$698 CAD
£393 GBP
View
B
Retailer 6
-
$1,033 CAD
$739 USD
View
B
Retailer 7
-
$1,259 CAD
SGD 1,218 SGD
View
B
Retailer 8
-
$1,458 CAD
$1,043 USD
View
B
Retailer 9
-
$1,517 CAD
£855 GBP
View
Most Expensive
B
Do Amore Diamonds
27-654CAEDC8 · Oct 31
$2,654 CAD
$1,900 USD
View
9 more retailers have this diamond
Prices start from $363 CADSave up to $2,291 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
1.01ct Cushion
$363 CAD