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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 €389 EUR
As of November 2, 2026
Save €555 EUR (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €943 EUR at MOH London · As of November 1, 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 1, 2026, with prices from €389 to €943, a €555 spread on the same certified stone. MOH London lists it at €943. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €943 EUR|Low: €335 EUR|High: €955 EUR|Avg: €549 EUR|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4€389 EUR
Retailer 6€404 EUR
Retailer 2€432 EUR
Retailer 7€435 EUR
Retailer 5€530 EUR
Retailer 3€771 EUR
MOH London€943 EUR

35 data points across 7 retailers

8 retailers€389 EUR to €943 EUR

A
Cheapest Retailer
-
€389 EUR
B+
Retailer 2
-
€404 EUR
$453 USD
View
A
Retailer 3
-
€432 EUR
£381 GBP
View
A
Retailer 4
-
€435 EUR
$488 USD
View
A
Retailer 5
-
€530 EUR
$595 USD
View
B+
Retailer 6
-
€762 EUR
$855 USD
View
B+
Retailer 7
-
€771 EUR
$865 USD
View
Most Expensive
B+
MOH London
LG733546286 · Nov 1
€943 EUR
£833 GBP
View
7 more retailers have this diamond
Prices start from €389 EURSave up to €555 EUR

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
€389 EUR