CaratHunter
Plans
Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG665408906

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665408906

Diamond specifications and retailer prices

From $909 CAD
$651 USD
As of October 31, 2026
Save $5,195 CAD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,104 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct 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 LG665408906 or 665408906. Listed at 20 retailers as of October 29, 2026, with prices from $909 to $6,104, a $5,195 spread on the same certified stone. Brilliant Earth lists it at $6,104. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408906
Dimensions7.79 × 6.13 × 4.08 mm
L/W Ratio1.27
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
7.79 mm6.13 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408906
Side View
Table 62.0%Crown 35.9°Girdle: MED-THKPavilion 37.4°Culet: NoneDepth 66.6%

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: Oct 31
Current: $6,104 CAD|Low: $900 CAD|High: $6,104 CAD|Avg: $2,445 CAD|+0.2%
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 15$909 CAD
Retailer 5$1,007 CAD
Retailer 17$1,187 CAD
Retailer 4$1,303 CAD
Retailer 3$1,528 CAD
Retailer 6$1,548 CAD
Retailer 13$1,574 CAD
Retailer 16$1,731 CAD
Retailer 14$1,773 CAD
Retailer 7$2,288 CAD
Retailer 12$2,346 CAD
Retailer 10$2,938 CAD
Retailer 11$3,202 CAD
Retailer 9$3,261 CAD
Retailer 2$3,366 CAD
Retailer 8$3,367 CAD
Retailer 18$3,730 CAD
Retailer 19$4,396 CAD
Brilliant Earth$6,104 CAD

37 data points across 19 retailers

20 retailers$909 CAD to $6,104 CAD

A
Cheapest Retailer
-
$909 CAD
$651 USD
Final sale: no returns
Retailer 2
-
$1,007 CAD
$721 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,187 CAD
$850 USD
View
A
Retailer 4
-
$1,303 CAD
$933 USD
View
A
Retailer 5
-
$1,528 CAD
$1,094 USD
View
A
Retailer 6
-
$1,548 CAD
$1,108 USD
View
A
Retailer 7
-
$1,574 CAD
£887 GBP
View
A
Retailer 8
-
$1,731 CAD
ZAR 20,017 ZAR
View
A
Retailer 9
-
$1,773 CAD
€1,209 EUR
View
B+
Retailer 10
-
$2,288 CAD
$1,638 USD
View
B+
Retailer 11
-
$2,346 CAD
A$2,584 AUD
View
B+
Retailer 12
-
$2,938 CAD
£1,656 GBP
View
B+
Retailer 13
-
$3,202 CAD
$2,292 USD
View
B+
Retailer 14
-
$3,261 CAD
$2,334 USD
View
B+
Retailer 15
-
$3,366 CAD
A$3,707 AUD
View
B
Retailer 16
-
$3,367 CAD
$2,411 USD
View
Retailer 17
-
$3,730 CAD
$2,670 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$4,396 CAD
£2,478 GBP
View
B
Retailer 19
-
$4,657 CAD
$3,334 USD
View
Most Expensive
B
Brilliant Earth
14720158A · Oct 29
$6,104 CAD
$4,370 USD
View
19 more retailers have this diamond
Prices start from $909 CADSave up to $5,195 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
1.50ct Cushion
$909 CAD