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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 £484 GBP
$649 USD
As of November 2, 2026
Save £1,879 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,362 GBP 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 November 1, 2026, with prices from £484 to £2,362, a £1,879 spread on the same certified stone. MOH London lists it at £2,362. 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
Colour
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

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: Nov 2
Current: £2,362 GBP|Low: £484 GBP|High: £5,820 GBP|Avg: £1,665 GBP
MOH London
Retailer 2
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 2, 2026
Retailer 12£484 GBP
Retailer 6£526 GBP
Retailer 13£560 GBP
Retailer 2£637 GBP
Retailer 16£668 GBP
Retailer 14£693 GBP
Retailer 15£870 GBP
Retailer 10£896 GBP
Retailer 4£915 GBP
Retailer 7£1,110 GBP
Retailer 11£1,432 GBP
Retailer 3£1,576 GBP
Retailer 17£1,661 GBP
MOH London£2,362 GBP
Retailer 5£2,880 GBP
Retailer 9£4,336 GBP
Retailer 8£5,820 GBP

6 data points across 17 retailers

13 retailers£484 GBP to £2,362 GBP

A
Cheapest Retailer
-
£484 GBP
$649 USD
A
Retailer 2
-
£526 GBP
$706 USD
View
A
Retailer 3
-
£560 GBP
$752 USD
View
A
Retailer 4
-
£637 GBP
View
A
Retailer 5
-
£668 GBP
HK$7,000 HKD
View
A
Retailer 6
-
£693 GBP
$930 USD
View
A
Retailer 7
-
£870 GBP
$1,168 USD
View
A
Retailer 8
-
£896 GBP
View
B+
Retailer 9
-
£915 GBP
$1,228 USD
View
B+
Retailer 10
-
£1,432 GBP
$1,922 USD
View
B+
Retailer 11
-
£1,576 GBP
$2,115 USD
View
B
Retailer 12
-
£1,661 GBP
$2,229 USD
View
Most Expensive
B
MOH London
LG645467658 · Nov 1
£2,362 GBP
View
12 more retailers have this diamond
Prices start from £484 GBPSave up to £1,879 GBP

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
£484 GBP