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Cushion|Lab Grown|IGI

1.91ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754576187

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754576187

Diamond specifications and retailer prices

From $648 CAD
$461 USD
As of October 28, 2026
Save $5,744 CAD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,391 CAD at Brilliant Earth · As of October 24, 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 LG754576187 or 754576187. Listed at 24 retailers as of October 24, 2026, with prices from $648 to $6,391, a $5,744 spread on the same certified stone. Brilliant Earth lists it at $6,391. 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 angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754576187
Dimensions8.15 × 6.92 × 4.56 mm
L/W Ratio1.18
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
8.15 mm6.92 mm1.91 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754576187
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 65.9%

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: $6,391 CAD|Low: $648 CAD|High: $8,063 CAD|Avg: $2,533 CAD|-18.3%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 5$648 CAD
Retailer 6$718 CAD
Retailer 2$843 CAD
Retailer 4$971 CAD
Retailer 15$1,028 CAD
Retailer 19$1,079 CAD
Retailer 17$1,089 CAD
Retailer 16$1,306 CAD
Retailer 13$1,362 CAD
Retailer 18$1,432 CAD
Retailer 3$1,742 CAD
Retailer 9$1,859 CAD
Retailer 11$2,312 CAD
Retailer 12$2,591 CAD
Retailer 7$2,614 CAD
Retailer 21$2,686 CAD
Retailer 8$2,801 CAD
Retailer 10$2,926 CAD
Retailer 14$4,565 CAD
Retailer 20$5,141 CAD
Brilliant Earth$6,391 CAD

32 data points across 21 retailers

24 retailers$648 CAD to $6,391 CAD

A
Cheapest Retailer
-
$648 CAD
$461 USD
Final sale: no returns
A
Retailer 2
-
$718 CAD
$511 USD
View
A
Retailer 3
-
$843 CAD
£472 GBP
View
A
Retailer 4
-
$971 CAD
HK$5,400 HKD
View
A
Retailer 5
-
$1,028 CAD
$732 USD
View
A
Retailer 6
-
$1,079 CAD
$768 USD
View
A
Retailer 7
-
$1,089 CAD
$775 USD
View
A
Retailer 8
-
$1,306 CAD
£732 GBP
View
A
Retailer 9
-
$1,362 CAD
ZAR 15,659 ZAR
View
A
Retailer 10
-
$1,432 CAD
€971 EUR
View
A
Retailer 11
-
$1,742 CAD
$1,240 USD
View
A
Retailer 12
-
$1,859 CAD
A$2,036 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$2,312 CAD
£1,296 GBP
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$2,591 CAD
$1,845 USD
View
A
Retailer 15
-
$2,614 CAD
$1,861 USD
View
A
Retailer 16
-
$2,661 CAD
$1,894 USD
View
B+
Retailer 17
-
$2,686 CAD
$1,912 USD
View
B+
Retailer 18
-
$2,801 CAD
SGD 2,695 SGD
View
B+
Retailer 19
-
$2,926 CAD
£1,640 GBP
View
Price last confirmed 8 days ago
B
Retailer 20
-
$4,565 CAD
$3,250 USD
View
Price last confirmed 24 days ago
B
Retailer 21
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$4,995 CAD
£2,800 GBP
View
B
Retailer 22
-
$5,141 CAD
$3,660 USD
View
B
Retailer 23
-
$6,363 CAD
$4,530 USD
View
Most Expensive
B
Brilliant Earth
16791955A · Oct 24
$6,391 CAD
$4,550 USD
View
23 more retailers have this diamond
Prices start from $648 CADSave up to $5,744 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
$648 CAD