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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836617524

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836617524

Diamond specifications and retailer prices

From $560 SGD
$438 USD
As of October 25, 2026
Save $2,559 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,119 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617524 or 836617524. Listed at 18 retailers as of October 25, 2026, with prices from $560 to $3,119, a $2,559 spread on the same certified stone. Brilliant Earth lists it at $3,119. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617524
Dimensions8.56 × 5.78 × 3.84 mm
L/W Ratio1.48
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
8.56 mm5.78 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617524
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 66.4%

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: Oct 25
Current: $3,119 SGD|Low: $560 SGD|High: $3,695 SGD|Avg: $1,647 SGD|-15.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$560 SGD
Retailer 3$579 SGD
Retailer 12$754 SGD
Retailer 7$885 SGD
Retailer 5$897 SGD
Retailer 17$961 SGD
Retailer 11$1,007 SGD
Retailer 2$1,115 SGD
Retailer 16$1,299 SGD
Retailer 4$1,322 SGD
Retailer 13$1,388 SGD
Retailer 8$1,852 SGD
Retailer 14$1,955 SGD
Retailer 15$2,198 SGD
Retailer 10$2,320 SGD
Retailer 18$3,062 SGD
Retailer 9$3,076 SGD
Brilliant Earth$3,119 SGD

22 data points across 18 retailers

18 retailers$560 SGD to $3,119 SGD

A
Cheapest Retailer
-
$560 SGD
$438 USD
Retailer 2
-
$579 SGD
£357 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$754 SGD
$590 USD
View
A
Retailer 4
-
$885 SGD
$692 USD
View
A
Retailer 5
-
$897 SGD
$702 USD
View
A
Retailer 6
-
$961 SGD
ZAR 12,150 ZAR
View
A
Retailer 7
-
$1,007 SGD
£620 GBP
View
A
Retailer 8
-
$1,115 SGD
€831 EUR
View
A
Retailer 9
-
$1,299 SGD
A$1,563 AUD
View
A
Retailer 10
-
$1,322 SGD
$1,034 USD
View
A
Retailer 11
-
$1,388 SGD
$1,086 USD
View
B+
Retailer 12
-
$1,852 SGD
$1,448 USD
View
B+
Retailer 13
-
$1,955 SGD
$1,529 USD
View
B+
Retailer 14
-
$2,198 SGD
£1,354 GBP
View
B+
Retailer 15
-
$2,320 SGD
View
Retailer 16
-
$3,062 SGD
$2,395 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$3,076 SGD
$2,406 USD
View
Most Expensive
B+
Brilliant Earth
21738552A · Oct 30
$3,119 SGD
$2,440 USD
View
17 more retailers have this diamond
Prices start from $560 SGDSave up to $2,559 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
1.51ct Cushion
$560 SGD