CaratHunter
Plans
Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG567349483

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG567349483

Diamond specifications and retailer prices

From $710 SGD
$555 USD
As of October 30, 2026
Save $2,590 SGD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,299 SGD at MOH London · As of October 29, 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 LG567349483 or 567349483. Listed at 7 retailers as of October 29, 2026, with prices from $710 to $3,299, a $2,590 spread on the same certified stone. MOH London lists it at $3,299. 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 angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567349483
Dimensions6.65 × 6.39 × 4.32 mm
L/W Ratio1.04
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
6.65 mm6.39 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567349483
Side View
Table 59.0%Crown 35.1°Girdle: MED-THKPavilion 34.9°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: $3,299 SGD|Low: $508 SGD|High: $3,322 SGD|Avg: $1,405 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5$710 SGD
Retailer 7$736 SGD
Retailer 6$965 SGD
Retailer 3$1,154 SGD
Retailer 4$1,223 SGD
Retailer 2$1,308 SGD
Retailer 8$2,106 SGD
MOH London$3,299 SGD

41 data points across 8 retailers

7 retailers$710 SGD to $3,299 SGD

A
Cheapest Retailer
-
$710 SGD
$555 USD
Final sale: no returns
A
Retailer 2
-
$736 SGD
$576 USD
View
B+
Retailer 3
-
$965 SGD
$755 USD
View
B+
Retailer 4
-
$1,154 SGD
€860 EUR
View
B+
Retailer 5
-
$1,223 SGD
$957 USD
View
B
Retailer 6
-
$1,308 SGD
£805 GBP
View
Most Expensive
B
MOH London
LG567349483 · Oct 29
$3,299 SGD
£2,032 GBP
View
6 more retailers have this diamond
Prices start from $710 SGDSave up to $2,590 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
$710 SGD