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Cushion|Lab Grown|IGI

1.91ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG628447820

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

Certificate IGI LG628447820

Diamond specifications and retailer prices

From $707 CAD
$503 USD
As of October 28, 2026
Save $5,657 CAD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,363 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.91ct lab-grown cushion diamond

This 1.91ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628447820 or 628447820. Listed at 13 retailers as of October 28, 2026, with prices from $707 to $6,363, a $5,657 spread on the same certified stone. Brilliant Earth lists it at $6,363. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628447820
Dimensions7.28 × 7.28 × 7.46 mm
L/W Ratio1.00
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
7.28 mm7.28 mm1.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628447820
Side View
Table 63.0%Crown 33.7°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 64.4%

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 28
Current: $6,363 CAD|Low: $684 CAD|High: $6,560 CAD|Avg: $2,935 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 27, 2026
Retailer 5$707 CAD
Retailer 7$958 CAD
Retailer 14$1,039 CAD
Retailer 9$1,145 CAD
Retailer 2$1,240 CAD
Retailer 3$1,769 CAD
Retailer 12$1,908 CAD
Retailer 11$2,119 CAD
Retailer 10$2,940 CAD
Retailer 13$4,446 CAD
Retailer 6$4,517 CAD
Retailer 4$4,781 CAD
Retailer 8$5,183 CAD
Brilliant Earth$6,363 CAD

25 data points across 14 retailers

13 retailers$707 CAD to $6,363 CAD

A
Cheapest Retailer
-
$707 CAD
$503 USD
Final sale: no returns
A
Retailer 2
-
$958 CAD
$682 USD
View
A
Retailer 3
-
$1,039 CAD
$740 USD
View
A
Retailer 4
-
$1,145 CAD
$815 USD
View
A
Retailer 5
-
$1,240 CAD
€841 EUR
View
A
Retailer 6
-
$1,769 CAD
$1,259 USD
View
A
Retailer 7
-
$1,908 CAD
A$2,090 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$2,119 CAD
$1,509 USD
View
B+
Retailer 9
-
$2,940 CAD
£1,648 GBP
View
B+
Retailer 10
-
$4,446 CAD
$3,165 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$4,781 CAD
A$5,236 AUD
View
Price last confirmed 21 days ago
B
Retailer 12
-
$5,183 CAD
$3,690 USD
View
Most Expensive
B
Brilliant Earth
18070216Y · Oct 28
$6,363 CAD
$4,530 USD
View
12 more retailers have this diamond
Prices start from $707 CADSave up to $5,657 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
1.91ct Cushion
$707 CAD