CaratHunter
Plans
Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG793611009

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

Certificate IGI LG793611009

Diamond specifications and retailer prices

From $258 CAD
$185 USD
As of November 1, 2026
Save $1,255 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,513 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 LG793611009 or 793611009. Listed at 14 retailers as of November 1, 2026, with prices from $258 to $1,513, a $1,255 spread on the same certified stone. Reve Diamonds lists it at $1,513. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793611009
Dimensions5.90 × 5.78 × 3.88 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
5.90 mm5.78 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793611009
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $258 CAD|Low: $246 CAD|High: $1,521 CAD|Avg: $697 CAD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 1$258 CAD
Retailer 3$289 CAD
Retailer 10$455 CAD
Retailer 7$487 CAD
Retailer 6$508 CAD
Retailer 11$514 CAD
Retailer 12$544 CAD
Retailer 9$729 CAD
Retailer 8$768 CAD
Retailer 4$838 CAD
Retailer 2$998 CAD
Retailer 5$1,339 CAD
Reve Diamonds$1,513 CAD

40 data points across 13 retailers

14 retailers$258 CAD to $1,513 CAD

A
Cheapest Retailer
-
$258 CAD
$185 USD
Final sale: no returns
Retailer 2
-
$289 CAD
$207 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$455 CAD
$326 USD
View
A
Retailer 4
-
$487 CAD
€332 EUR
View
A
Retailer 5
-
$508 CAD
£286 GBP
View
A
Retailer 6
-
$514 CAD
$368 USD
View
A
Retailer 7
-
$544 CAD
£307 GBP
View
B+
Retailer 8
-
$729 CAD
$522 USD
View
B
Retailer 9
-
$768 CAD
$550 USD
View
Retailer 10
-
$809 CAD
$579 USD
View
Price last confirmed 111 days ago
B+
Retailer 11
-
$838 CAD
$600 USD
View
B
Retailer 12
-
$998 CAD
$714 USD
View
B
Retailer 13
-
$1,339 CAD
£755 GBP
View
Most Expensive
B
Reve Diamonds
EFC1AB465 · Nov 1
$1,513 CAD
$1,083 USD
View
13 more retailers have this diamond
Prices start from $258 CADSave up to $1,255 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
$258 CAD