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Cushion|Lab Grown|IGI

1.50ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799671302

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

Certificate IGI LG799671302

Diamond specifications and retailer prices

From $1,077 SGD
$842 USD
As of November 2, 2026
Save $3,834 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,911 SGD at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799671302 or 799671302. Listed at 12 retailers as of October 31, 2026, with prices from $1,077 to $4,911, a $3,834 spread on the same certified stone. Brilliant Earth lists it at $4,911. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671302
Dimensions6.76 × 6.54 × 4.36 mm
L/W Ratio1.03
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
6.76 mm6.54 mm1.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671302
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 66.7%

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 2
Current: $4,911 SGD|Low: $1,077 SGD|High: $6,267 SGD|Avg: $2,897 SGD|-21.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12$1,077 SGD
Retailer 9$1,205 SGD
Retailer 8$1,277 SGD
Retailer 3$1,455 SGD
Retailer 2$1,530 SGD
Retailer 5$1,574 SGD
Retailer 11$2,448 SGD
Retailer 7$3,364 SGD
Retailer 4$3,477 SGD
Retailer 6$4,086 SGD
Retailer 10$4,177 SGD
Brilliant Earth$4,911 SGD

40 data points across 12 retailers

12 retailers$1,077 SGD to $4,911 SGD

A
Cheapest Retailer
-
$1,077 SGD
$842 USD
A
Retailer 2
-
$1,205 SGD
$942 USD
View
A
Retailer 3
-
$1,277 SGD
HK$7,800 HKD
View
A
Retailer 4
-
$1,455 SGD
$1,138 USD
View
A
Retailer 5
-
$1,530 SGD
£942 GBP
View
A
Retailer 6
-
$1,574 SGD
€1,172 EUR
View
B+
Retailer 7
-
$2,448 SGD
$1,914 USD
View
B
Retailer 8
-
$3,364 SGD
$2,630 USD
View
B
Retailer 9
-
$3,477 SGD
$2,719 USD
View
B
Retailer 10
-
$4,086 SGD
£2,516 GBP
View
B
Retailer 11
-
$4,177 SGD
$3,266 USD
View
Most Expensive
B
Brilliant Earth
20869651Y · Oct 31
$4,911 SGD
$3,840 USD
View
11 more retailers have this diamond
Prices start from $1,077 SGDSave up to $3,834 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
$1,077 SGD