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Marquise|Lab Grown|IGI

5.83ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG648444456

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG648444456

Diamond specifications and retailer prices

From €604 EUR
$675 USD
As of October 30, 2026
Save €2,363 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,967 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.83ct lab-grown marquise diamond

This 5.83ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648444456 or 648444456. Listed at 13 retailers as of October 29, 2026, with prices from €604 to €2,967, a €2,363 spread on the same certified stone. MOH London lists it at €2,967. 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

5.83
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648444456
Dimensions18.75 × 9.33 × 5.85 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.75 mm9.33 mm5.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648444456
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 62.7%

Caratlytics Score

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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: €2,967 EUR|Low: €604 EUR|High: €7,340 EUR|Avg: €2,144 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 12€604 EUR
Retailer 6€657 EUR
Retailer 13€701 EUR
Retailer 10€796 EUR
Retailer 16€836 EUR
Retailer 14€859 EUR
Retailer 15€1,083 EUR
Retailer 2€1,121 EUR
Retailer 4€1,141 EUR
Retailer 7€1,397 EUR
Retailer 11€1,789 EUR
Retailer 3€1,970 EUR
Retailer 17€2,209 EUR
MOH London€2,967 EUR
Retailer 5€4,261 EUR
Retailer 8€5,500 EUR
Retailer 9€7,340 EUR

6 data points across 17 retailers

13 retailers€604 EUR to €2,967 EUR

A
Cheapest Retailer
-
€604 EUR
$675 USD
A
Retailer 2
-
€657 EUR
$734 USD
View
A
Retailer 3
-
€701 EUR
$783 USD
View
A
Retailer 4
-
€796 EUR
£700 GBP
View
A
Retailer 5
-
€836 EUR
HK$7,300 HKD
View
A
Retailer 6
-
€859 EUR
$960 USD
View
A
Retailer 7
-
€1,083 EUR
$1,210 USD
View
A
Retailer 8
-
€1,121 EUR
£986 GBP
View
B+
Retailer 9
-
€1,141 EUR
$1,275 USD
View
B
Retailer 10
-
€1,789 EUR
$1,999 USD
View
B+
Retailer 11
-
€1,970 EUR
$2,201 USD
View
B
Retailer 12
-
€2,209 EUR
$2,468 USD
View
Most Expensive
B
MOH London
LG648444456 · Oct 29
€2,967 EUR
£2,610 GBP
View
12 more retailers have this diamond
Prices start from €604 EURSave up to €2,363 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
5.83ct Marquise
€604 EUR