Marquise|Lab Grown|IGI

1.05ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG826665468

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826665468

Diamond specifications and retailer prices

From €183 EUR
HK$1,600 HKD
As of October 30, 2026
Save €569 EUR (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €753 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826665468 or 826665468. Listed at 8 retailers as of October 29, 2026, with prices from €183 to €753, a €569 spread on the same certified stone. MOH London lists it at €753. 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

1.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826665468
Dimensions10.49 × 5.24 × 3.32 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.49 mm5.24 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826665468
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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: €753 EUR|Low: €183 EUR|High: €898 EUR|Avg: €374 EUR|-16.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4€183 EUR
Retailer 2€276 EUR
Retailer 8€276 EUR
Retailer 5€293 EUR
Retailer 7€296 EUR
Retailer 3€304 EUR
Retailer 6€461 EUR
MOH London€753 EUR

34 data points across 8 retailers

8 retailers€183 EUR to €753 EUR

A
Cheapest Retailer
-
€183 EUR
HK$1,600 HKD
A
Retailer 2
-
€276 EUR
£242 GBP
View
A
Retailer 3
-
€276 EUR
$308 USD
View
A
Retailer 4
-
€293 EUR
View
A
Retailer 5
-
€296 EUR
$331 USD
View
A
Retailer 6
-
€304 EUR
£267 GBP
View
B+
Retailer 7
-
€461 EUR
$515 USD
View
Most Expensive
B
MOH London
LG826665468 · Oct 29
€753 EUR
£662 GBP
View
7 more retailers have this diamond
Prices start from €183 EURSave up to €569 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
1.05ct Marquise
€183 EUR