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Marquise|Lab Grown|IGI

1.04ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG459130446

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG459130446

Diamond specifications and retailer prices

From €555 EUR
$620 USD
As of October 30, 2026
Save €3,101 EUR (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,656 EUR at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459130446 or 459130446. Listed at 10 retailers as of October 29, 2026, with prices from €555 to €3,656, a €3,101 spread on the same certified stone. MOH London lists it at €3,656. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459130446
Dimensions10.13 × 5.35 × 3.36 mm
L/W Ratio1.89
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
10.13 mm5.35 mm1.04 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459130446
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: €3,656 EUR|Low: €555 EUR|High: €3,680 EUR|Avg: €1,620 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2€555 EUR
Retailer 3€925 EUR
Retailer 4€1,072 EUR
Retailer 9€1,172 EUR
Retailer 6€1,226 EUR
Retailer 8€1,536 EUR
Retailer 5€1,711 EUR
Retailer 7€2,240 EUR
MOH London€3,656 EUR

12 data points across 9 retailers

10 retailers€555 EUR to €3,656 EUR

A
Cheapest Retailer
-
€555 EUR
$620 USD
B+
Retailer 2
-
€925 EUR
$1,033 USD
View
B+
Retailer 3
-
€1,005 EUR
$1,123 USD
View
B
Retailer 4
-
€1,072 EUR
$1,198 USD
View
Retailer 5
-
€1,072 EUR
$1,198 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
€1,226 EUR
$1,370 USD
View
B
Retailer 7
-
€1,711 EUR
$1,911 USD
View
B
Retailer 8
-
€2,009 EUR
$2,245 USD
View
B
Retailer 9
-
€2,240 EUR
$2,503 USD
View
Most Expensive
B
MOH London
LG459130446 · Oct 29
€3,656 EUR
£3,216 GBP
View
9 more retailers have this diamond
Prices start from €555 EURSave up to €3,101 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
1.04ct Marquise
€555 EUR