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Cushion|Lab Grown|IGI

1.50ct G SI1 Cushion Lab Grown Diamond

GD • G/SI1 • IGI LG524214586

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

Certificate IGI LG524214586

Diamond specifications and retailer prices

From $483 SGD
As of November 6, 2026
Save $2,503 SGD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,986 SGD at Do Amore Diamonds · As of November 6, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG524214586 or 524214586. Listed at 10 retailers as of November 6, 2026, with prices from $483 to $2,986, a $2,503 spread on the same certified stone. Do Amore Diamonds lists it at $2,986. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524214586
Dimensions7.74 × 6.43 × 4.52 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Top View
7.74 mm6.43 mm1.50 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524214586
Side View
Table 58.0%Crown 34.4°Girdle: STK-VTKPavilion 40.5°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,986 SGD|Low: $386 SGD|High: $2,986 SGD|Avg: $1,132 SGD|+26.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$386 SGD
Retailer 7$483 SGD
Retailer 3$638 SGD
Retailer 9$648 SGD
Retailer 2$806 SGD
Retailer 5$891 SGD
Retailer 10$1,057 SGD
Retailer 11$1,353 SGD
Retailer 8$1,584 SGD
Retailer 4$1,702 SGD
Do Amore Diamonds$2,986 SGD

37 data points across 11 retailers

10 retailers$483 SGD to $2,986 SGD

Retailer 1
-
$386 SGD
Price last confirmed 12 days ago
B+
Retailer 2
-
$483 SGD
View
B+
Retailer 3
-
$648 SGD
View
B+
Retailer 4
-
$806 SGD
View
B+
Retailer 5
-
$891 SGD
View
B
Retailer 6
-
$1,057 SGD
View
B
Retailer 7
-
$1,353 SGD
View
C
Retailer 8
-
$1,584 SGD
View
C
Retailer 9
-
$1,702 SGD
View
Most Expensive
C
Do Amore Diamonds
27-1F7FB4117 · Nov 6
$2,986 SGD
$2,330 USD
View
9 more retailers have this diamond
Prices start from $483 SGDSave up to $2,503 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.

B+
1.50ct Cushion
$483 SGD