Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG836639791

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836639791

Diamond specifications and retailer prices

From $482 USD
£379 GBP
As of October 30, 2026
Save $2,468 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,950 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG836639791 or 836639791. Listed at 14 retailers as of October 30, 2026, with prices from $482 to $2,950, a $2,468 spread on the same certified stone. Do Amore Diamonds lists it at $2,950. 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 angle32.4°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836639791
Dimensions7.80 × 6.18 × 4.07 mm
L/W Ratio1.26
Girdle conditionFaceted
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
7.80 mm6.18 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836639791
Side View
Table 63.0%Crown 32.4°Girdle: STK-THKPavilion 36.4°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 30
Current: $2,950 USD|Low: $481 USD|High: $3,430 USD|Avg: $1,553 USD|-2.6%
Do Amore Diamonds
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
October 31, 2026
Retailer 11$482 USD
Retailer 14$578 USD
Retailer 2$585 USD
Retailer 15$666 USD
Retailer 5$692 USD
Retailer 12$749 USD
Retailer 6$803 USD
Retailer 13$1,054 USD
Retailer 16$1,252 USD
Retailer 4$1,816 USD
Retailer 7$2,182 USD
Retailer 9$2,410 USD
Retailer 8$2,420 USD
Retailer 3$2,485 USD
Retailer 10$2,810 USD
Do Amore Diamonds$2,950 USD

37 data points across 16 retailers

14 retailers$482 USD to $2,950 USD

A
Cheapest Retailer
-
$482 USD
£379 GBP
A
Retailer 2
-
$578 USD
View
A
Retailer 3
-
$585 USD
View
A
Retailer 4
-
$666 USD
View
Retailer 5
-
$692 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$749 USD
€713 EUR
View
A
Retailer 7
-
$803 USD
View
A
Retailer 8
-
$1,054 USD
A$1,622 AUD
View
A
Retailer 9
-
$1,252 USD
View
Retailer 10
-
$1,816 USD
£1,430 GBP
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$2,410 USD
A$3,707 AUD
View
Retailer 12
-
$2,485 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$2,810 USD
View
Most Expensive
B
Do Amore Diamonds
27-4E6B4A7E5 · Oct 31
$2,950 USD
View
13 more retailers have this diamond
Prices start from $482 USDSave up to $2,468 USD

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
$482 USD