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Marquise|Lab Grown|IGI

5.52ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG645467658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG645467658

Diamond specifications and retailer prices

From €581 EUR
$649 USD
As of October 30, 2026
Save €2,256 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,837 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.52ct lab-grown marquise diamond

This 5.52ct 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 LG645467658 or 645467658. Listed at 13 retailers as of October 30, 2026, with prices from €581 to €2,837, a €2,256 spread on the same certified stone. MOH London lists it at €2,837. 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

5.52
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645467658
Dimensions18.32 × 9.15 × 5.81 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.32 mm9.15 mm5.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645467658
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: €2,837 EUR|Low: €581 EUR|High: €6,991 EUR|Avg: €2,000 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€581 EUR
Retailer 6€632 EUR
Retailer 13€673 EUR
Retailer 10€765 EUR
Retailer 16€802 EUR
Retailer 14€832 EUR
Retailer 15€1,045 EUR
Retailer 2€1,076 EUR
Retailer 4€1,099 EUR
Retailer 7€1,333 EUR
Retailer 11€1,720 EUR
Retailer 3€1,893 EUR
Retailer 17€1,995 EUR
MOH London€2,837 EUR
Retailer 5€3,460 EUR
Retailer 9€5,208 EUR
Retailer 8€6,991 EUR

6 data points across 17 retailers

13 retailers€581 EUR to €2,837 EUR

A
Cheapest Retailer
-
€581 EUR
$649 USD
A
Retailer 2
-
€632 EUR
$706 USD
View
A
Retailer 3
-
€673 EUR
$752 USD
View
A
Retailer 4
-
€765 EUR
£673 GBP
View
A
Retailer 5
-
€802 EUR
HK$7,000 HKD
View
A
Retailer 6
-
€832 EUR
$930 USD
View
A
Retailer 7
-
€1,045 EUR
$1,168 USD
View
A
Retailer 8
-
€1,076 EUR
£947 GBP
View
B+
Retailer 9
-
€1,099 EUR
$1,228 USD
View
B+
Retailer 10
-
€1,720 EUR
$1,922 USD
View
B+
Retailer 11
-
€1,893 EUR
$2,115 USD
View
B
Retailer 12
-
€1,995 EUR
$2,229 USD
View
Most Expensive
B
MOH London
LG645467658 · Nov 1
€2,837 EUR
£2,496 GBP
View
12 more retailers have this diamond
Prices start from €581 EURSave up to €2,256 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
5.52ct Marquise
€581 EUR