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Cushion|Lab Grown|IGI

1.50ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786625437

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

Certificate IGI LG786625437

Diamond specifications and retailer prices

From $587 SGD
$459 USD
As of October 30, 2026
Save $4,706 SGD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,293 SGD at Brilliant Earth · As of October 26, 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 LG786625437 or 786625437. Listed at 19 retailers as of October 26, 2026, with prices from $587 to $5,293, a $4,706 spread on the same certified stone. Brilliant Earth lists it at $5,293. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625437
Dimensions6.68 × 6.31 × 3.89 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.68 mm6.31 mm1.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786625437
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 29.9°Culet: NoneDepth 61.6%

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: $5,293 SGD|Low: $587 SGD|High: $5,753 SGD|Avg: $1,823 SGD|+20.3%
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
October 31, 2026
Retailer 6$587 SGD
Retailer 8$651 SGD
Retailer 3$984 SGD
Retailer 7$1,030 SGD
Retailer 4$1,055 SGD
Retailer 2$1,072 SGD
Retailer 14$1,091 SGD
Retailer 16$1,109 SGD
Retailer 5$1,324 SGD
Retailer 10$1,518 SGD
Retailer 9$1,890 SGD
Retailer 13$2,139 SGD
Retailer 12$2,387 SGD
Retailer 11$2,439 SGD
Retailer 17$2,557 SGD
Retailer 15$3,317 SGD
Brilliant Earth$5,293 SGD

42 data points across 17 retailers

19 retailers$587 SGD to $5,293 SGD

A
Cheapest Retailer
-
$587 SGD
$459 USD
Final sale: no returns
Retailer 2
-
$651 SGD
$509 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$984 SGD
$770 USD
View
A
Retailer 4
-
$1,030 SGD
$806 USD
View
Retailer 5
-
$1,055 SGD
$825 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,072 SGD
£660 GBP
View
A
Retailer 7
-
$1,091 SGD
€813 EUR
View
Retailer 8
-
$1,109 SGD
ZAR 14,008 ZAR
View
Price last confirmed 13 days ago
A
Retailer 9
-
$1,320 SGD
A$1,588 AUD
View
A
Retailer 10
-
$1,324 SGD
$1,036 USD
View
A
Retailer 11
-
$1,518 SGD
A$1,827 AUD
View
Retailer 12
-
$1,890 SGD
£1,164 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$2,139 SGD
$1,673 USD
View
Retailer 14
-
$2,268 SGD
$1,774 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$2,387 SGD
$1,867 USD
View
B+
Retailer 16
-
$2,439 SGD
$1,908 USD
View
Retailer 17
-
$2,557 SGD
£1,575 GBP
View
Price last confirmed 10 days ago
Retailer 18
-
$3,317 SGD
$2,595 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20914900A · Oct 26
$5,293 SGD
$4,140 USD
View
18 more retailers have this diamond
Prices start from $587 SGDSave up to $4,706 SGD

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
$587 SGD