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Cushion|Lab Grown|IGI

1.55ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG733546286

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG733546286

Diamond specifications and retailer prices

From $557 SGD
€415 EUR
As of November 2, 2026
Save $796 SGD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,353 SGD at MOH London · As of November 2, 2026
View at MOH London

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733546286 or 733546286. Listed at 8 retailers as of November 2, 2026, with prices from $557 to $1,353, a $796 spread on the same certified stone. MOH London lists it at $1,353. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733546286
Dimensions7.75 × 6.03 × 4.03 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm6.03 mm1.55 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733546286
Side View
Table 62.0%Crown 35.2°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 66.8%

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: $1,353 SGD|Low: $481 SGD|High: $1,369 SGD|Avg: $787 SGD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$557 SGD
Retailer 6$579 SGD
Retailer 2$619 SGD
Retailer 7$624 SGD
Retailer 5$761 SGD
Retailer 3$1,106 SGD
MOH London$1,353 SGD

35 data points across 7 retailers

8 retailers$557 SGD to $1,353 SGD

A
Cheapest Retailer
-
$557 SGD
€415 EUR
B+
Retailer 2
-
$579 SGD
$453 USD
View
A
Retailer 3
-
$619 SGD
£381 GBP
View
A
Retailer 4
-
$624 SGD
$488 USD
View
A
Retailer 5
-
$761 SGD
$595 USD
View
B+
Retailer 6
-
$1,093 SGD
$855 USD
View
B+
Retailer 7
-
$1,106 SGD
$865 USD
View
Most Expensive
B+
MOH London
LG733546286 · Nov 2
$1,353 SGD
£833 GBP
View
7 more retailers have this diamond
Prices start from $557 SGDSave up to $796 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
$557 SGD