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Cushion|Lab Grown|IGI

1.51ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG669468191

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG669468191

Diamond specifications and retailer prices

From $1,006 CAD
$720 USD
As of November 3, 2026
Save $3,388 CAD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,149 CAD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG669468191 or 669468191. Listed at 17 retailers as of November 3, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669468191
Dimensions7.98 × 5.85 × 4.05 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm5.85 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG669468191
Side View
Table 67.0%Crown 32.4°Girdle: THK-VTKPavilion 40°Culet: NoneDepth 69.2%

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: Nov 3
Current: $6,149 CAD|Low: $1,006 CAD|High: $6,149 CAD|Avg: $2,561 CAD
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
Retailer 15
Retailer 16
November 3, 2026
Retailer 6$1,006 CAD
Retailer 16$1,043 CAD
Retailer 13$1,160 CAD
Retailer 4$1,256 CAD
Retailer 15$1,600 CAD
Retailer 2$1,650 CAD
Retailer 12$1,730 CAD
Retailer 10$1,916 CAD
Retailer 9$2,532 CAD
Retailer 5$3,237 CAD
Retailer 8$3,599 CAD
Retailer 3$3,614 CAD
Retailer 7$3,645 CAD
Retailer 14$3,829 CAD
Retailer 11$4,394 CAD
Brilliant Earth$6,149 CAD

44 data points across 16 retailers

17 retailers$1,006 CAD to $4,394 CAD

A
Cheapest Retailer
-
$1,006 CAD
$720 USD
Final sale: no returns
Retailer 2
-
$1,043 CAD
$746 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,160 CAD
$830 USD
View
A
Retailer 4
-
$1,256 CAD
$899 USD
View
A
Retailer 5
-
$1,600 CAD
$1,145 USD
View
A
Retailer 6
-
$1,650 CAD
£930 GBP
View
A
Retailer 7
-
$1,730 CAD
€1,179 EUR
View
A
Retailer 8
-
$1,916 CAD
ZAR 22,152 ZAR
View
B+
Retailer 9
-
$2,532 CAD
$1,812 USD
View
B+
Retailer 10
-
$3,237 CAD
£1,824 GBP
View
B
Retailer 11
-
$3,599 CAD
$2,575 USD
View
B+
Retailer 12
-
$3,614 CAD
$2,586 USD
View
B
Retailer 13
-
$3,645 CAD
$2,608 USD
View
Retailer 14
-
$3,829 CAD
$2,740 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$3,977 CAD
$2,846 USD
View
B
Retailer 16
-
$4,394 CAD
£2,476 GBP
View
Most Expensive
Brilliant Earth
14065763A · Oct 16
$6,149 CAD
$4,400 USD
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from $1,006 CADSave up to $3,388 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
1.51ct Cushion
$1,006 CAD