CaratHunter
Plans
Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG549293769

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG549293769

Diamond specifications and retailer prices

From $424 SGD
$332 USD
As of October 30, 2026
Save $59 SGD (12%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,404 SGD at MOH London · As of October 21, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG549293769 or 549293769. Listed at 5 retailers as of October 30, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549293769
Dimensions8.26 × 6.02 × 4.07 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
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
8.26 mm6.02 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549293769
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,404 SGD|Low: $424 SGD|High: $1,414 SGD|Avg: $799 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 4$424 SGD
Retailer 2$483 SGD
Retailer 3$625 SGD
Retailer 6$635 SGD
Retailer 5$1,340 SGD
MOH London$1,404 SGD

36 data points across 6 retailers

5 retailers$424 SGD to $483 SGD

B+
Cheapest Retailer
-
$424 SGD
$332 USD
A
Retailer 2
-
$483 SGD
$378 USD
View
Retailer 3
-
$625 SGD
£385 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$1,340 SGD
$1,049 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG549293769 · Oct 21
$1,404 SGD
£865 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from $424 SGDSave up to $59 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
$424 SGD