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Cushion|Lab Grown|IGI

1.50ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836616360

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616360

Diamond specifications and retailer prices

From $574 SGD
£354 GBP
As of October 30, 2026
Save $2,519 SGD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,094 SGD at Brilliant Earth · As of October 30, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616360 or 836616360. Listed at 17 retailers as of October 30, 2026, with prices from $574 to $3,094, a $2,519 spread on the same certified stone. Brilliant Earth lists it at $3,094. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616360
Dimensions8.51 × 5.81 × 3.70 mm
L/W Ratio1.46
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
8.51 mm5.81 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616360
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 32°Culet: NoneDepth 63.7%

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: Oct 30
Current: $3,094 SGD|Low: $572 SGD|High: $3,656 SGD|Avg: $1,714 SGD|-15.4%
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 11$574 SGD
Retailer 17$844 SGD
Retailer 3$881 SGD
Retailer 5$894 SGD
Retailer 16$956 SGD
Retailer 12$1,000 SGD
Retailer 13$1,115 SGD
Retailer 15$1,290 SGD
Retailer 6$1,307 SGD
Retailer 2$1,379 SGD
Retailer 7$1,841 SGD
Retailer 14$2,185 SGD
Retailer 9$2,304 SGD
Retailer 10$2,549 SGD
Retailer 8$3,060 SGD
Retailer 4$3,062 SGD
Brilliant Earth$3,094 SGD

12 data points across 17 retailers

17 retailers$574 SGD to $3,094 SGD

A
Cheapest Retailer
-
$574 SGD
£354 GBP
A
Retailer 2
-
$844 SGD
$660 USD
View
A
Retailer 3
-
$881 SGD
$689 USD
View
A
Retailer 4
-
$894 SGD
$699 USD
View
A
Retailer 5
-
$956 SGD
ZAR 12,076 ZAR
View
A
Retailer 6
-
$1,000 SGD
£616 GBP
View
A
Retailer 7
-
$1,115 SGD
€831 EUR
View
A
Retailer 8
-
$1,290 SGD
A$1,553 AUD
View
A
Retailer 9
-
$1,307 SGD
$1,022 USD
View
A
Retailer 10
-
$1,379 SGD
$1,079 USD
View
B+
Retailer 11
-
$1,841 SGD
$1,440 USD
View
B+
Retailer 12
-
$2,185 SGD
£1,346 GBP
View
B+
Retailer 13
-
$2,304 SGD
View
B+
Retailer 14
-
$2,549 SGD
$1,994 USD
View
B
Retailer 15
-
$3,060 SGD
$2,394 USD
View
Retailer 16
-
$3,062 SGD
$2,395 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Brilliant Earth
22192118A · Oct 30
$3,094 SGD
$2,420 USD
View
16 more retailers have this diamond
Prices start from $574 SGDSave up to $2,519 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
$574 SGD