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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG603345567

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG603345567

Diamond specifications and retailer prices

From $341 CAD
$244 USD
As of November 1, 2026
Save $1,410 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,750 CAD at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG603345567 or 603345567. Listed at 10 retailers as of November 1, 2026, with prices from $341 to $1,750, a $1,410 spread on the same certified stone. Reve Diamonds lists it at $1,750. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603345567
Dimensions5.73 × 5.63 × 3.45 mm
L/W Ratio1.02
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
5.73 mm5.63 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG603345567
Side View
Table 63.0%Crown 36.4°Girdle: STK-VTKPavilion 32.1°Culet: NoneDepth 61.3%

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: Nov 1
Current: $1,517 CAD|Low: $242 CAD|High: $1,750 CAD|Avg: $824 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 1, 2026
Retailer 6$341 CAD
Retailer 4$379 CAD
Retailer 9$429 CAD
Retailer 7$482 CAD
Retailer 3$648 CAD
Retailer 2$698 CAD
Retailer 5$705 CAD
Retailer 8$1,291 CAD
Retailer 1$1,517 CAD
Reve Diamonds$1,750 CAD

41 data points across 10 retailers

10 retailers$341 CAD to $1,750 CAD

A
Cheapest Retailer
-
$341 CAD
$244 USD
Final sale: no returns
Retailer 2
-
$379 CAD
$271 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$429 CAD
HK$2,400 HKD
View
A
Retailer 4
-
$482 CAD
$345 USD
View
B+
Retailer 5
-
$648 CAD
$464 USD
View
B+
Retailer 6
-
$698 CAD
£393 GBP
View
B
Retailer 7
-
$705 CAD
$505 USD
View
B
Retailer 8
-
$1,291 CAD
$924 USD
View
B
Retailer 9
-
$1,517 CAD
£855 GBP
View
Most Expensive
B
Reve Diamonds
3BAB54655 · Nov 1
$1,750 CAD
$1,253 USD
View
9 more retailers have this diamond
Prices start from $341 CADSave up to $1,410 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
$341 CAD