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Marquise|Lab Grown|IGI

1.04ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG841647386

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841647386

Diamond specifications and retailer prices

From $283 USD
£223 GBP
As of October 30, 2026
Save $518 USD (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $801 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.04ct lab-grown marquise diamond

This 1.04ct 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 LG841647386 or 841647386. Listed at 5 retailers as of October 25, 2026, with prices from $283 to $801, a $518 spread on the same certified stone. MOH London lists it at $801. 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841647386
Dimensions10.10 × 5.35 × 3.30 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.10 mm5.35 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841647386
Side View
Table 58.0%Crown 32.4°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $801 USD|Low: $281 USD|High: $808 USD|Avg: $410 USD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2$283 USD
Retailer 4$301 USD
Retailer 5$315 USD
Retailer 3$318 USD
MOH London$801 USD

17 data points across 5 retailers

5 retailers$283 USD to $801 USD

A
Cheapest Retailer
-
$283 USD
£223 GBP
A
Retailer 2
-
$301 USD
View
A
Retailer 3
-
$315 USD
View
A
Retailer 4
-
$318 USD
£250 GBP
View
Most Expensive
B
MOH London
LG841647386 · Oct 25
$801 USD
£631 GBP
View
4 more retailers have this diamond
Prices start from $283 USDSave up to $518 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
1.04ct Marquise
$283 USD