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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825633211

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

Certificate IGI LG825633211

Diamond specifications and retailer prices

From $578 SGD
$452 USD
As of October 30, 2026
Save $3,014 SGD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,592 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG825633211 or 825633211. Listed at 13 retailers as of October 30, 2026, with prices from $578 to $3,592, a $3,014 spread on the same certified stone. Brilliant Earth lists it at $3,592. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825633211
Dimensions6.73 × 6.55 × 4.17 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
6.73 mm6.55 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825633211
Side View
Table 60.0%Crown 34.8°Girdle: STK-THKPavilion 34°Culet: NoneDepth 63.7%

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: $3,592 SGD|Low: $578 SGD|High: $4,027 SGD|Avg: $1,888 SGD|-9.9%
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
October 31, 2026
Retailer 10$578 SGD
Retailer 12$663 SGD
Retailer 7$831 SGD
Retailer 9$1,016 SGD
Retailer 6$1,055 SGD
Retailer 2$1,119 SGD
Retailer 4$1,408 SGD
Retailer 5$2,108 SGD
Retailer 11$2,361 SGD
Retailer 8$2,402 SGD
Retailer 13$2,521 SGD
Retailer 3$3,011 SGD
Brilliant Earth$3,592 SGD

40 data points across 13 retailers

13 retailers$578 SGD to $3,592 SGD

A
Cheapest Retailer
-
$578 SGD
$452 USD
Final sale: no returns
A
Retailer 2
-
$663 SGD
£408 GBP
View
A
Retailer 3
-
$831 SGD
$650 USD
View
A
Retailer 4
-
$1,016 SGD
$795 USD
View
A
Retailer 5
-
$1,055 SGD
£650 GBP
View
A
Retailer 6
-
$1,119 SGD
€834 EUR
View
A
Retailer 7
-
$1,408 SGD
$1,101 USD
View
B+
Retailer 8
-
$2,108 SGD
$1,649 USD
View
B+
Retailer 9
-
$2,361 SGD
$1,847 USD
View
B+
Retailer 10
-
$2,402 SGD
$1,879 USD
View
B+
Retailer 11
-
$2,521 SGD
£1,553 GBP
View
Retailer 12
-
$3,011 SGD
$2,355 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21322734A · Oct 30
$3,592 SGD
$2,810 USD
View
12 more retailers have this diamond
Prices start from $578 SGDSave up to $3,014 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
1.55ct Cushion
$578 SGD