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Cushion|Lab Grown|IGI

1.74ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG602387946

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602387946

Diamond specifications and retailer prices

From $282 USD
HK$2,200 HKD
As of October 28, 2026
Save $866 USD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,148 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.74ct lab-grown cushion diamond

This 1.74ct 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 LG602387946 or 602387946. Listed at 7 retailers as of October 28, 2026, with prices from $282 to $1,148, a $866 spread on the same certified stone. MOH London lists it at $1,148. 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

1.74
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602387946
Dimensions8.36 × 6.53 × 4.38 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.36 mm6.53 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602387946
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 67.1%

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 28
Current: $1,148 USD|Low: $282 USD|High: $1,930 USD|Avg: $731 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$282 USD
Retailer 2$315 USD
Retailer 8$426 USD
Retailer 10$443 USD
Retailer 9$446 USD
Retailer 5$511 USD
Retailer 6$575 USD
Retailer 4$613 USD
Retailer 11$1,006 USD
MOH London$1,148 USD
Retailer 12$1,264 USD
Retailer 3$1,930 USD

2 data points across 12 retailers

7 retailers$282 USD to $1,148 USD

A
Cheapest Retailer
-
$282 USD
HK$2,200 HKD
A
Retailer 2
-
$315 USD
£248 GBP
View
B+
Retailer 3
-
$426 USD
View
A
Retailer 4
-
$446 USD
£351 GBP
View
A
Retailer 5
-
$511 USD
View
A
Retailer 6
-
$575 USD
View
Most Expensive
B
MOH London
LG602387946 · Oct 29
$1,148 USD
£904 GBP
View
6 more retailers have this diamond
Prices start from $282 USDSave up to $866 USD

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
1.74ct Cushion
$282 USD