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Marquise|Lab Grown|IGI

0.52ct I SI2 Marquise Lab Grown Diamond

ID • I/SI2 • IGI LG436047073

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047073

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of October 30, 2026
Save £739 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £924 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.52ct lab-grown marquise diamond

This 0.52ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047073 or 436047073. Listed at 10 retailers as of October 29, 2026, with prices from £185 to £924, a £739 spread on the same certified stone. MOH London lists it at £924. 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

0.52
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047073
Dimensions8.08 × 4.23 × 2.62 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.08 mm4.23 mm0.52 ctI / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047073
Side View
Table 56.5%Crown 32.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: £924 GBP|Low: £178 GBP|High: £930 GBP|Avg: £435 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£185 GBP
Retailer 10£214 GBP
Retailer 7£229 GBP
Retailer 11£229 GBP
Retailer 4£246 GBP
Retailer 9£384 GBP
Retailer 2£433 GBP
Retailer 3£452 GBP
Retailer 8£737 GBP
Retailer 5£740 GBP
MOH London£924 GBP

23 data points across 11 retailers

10 retailers£185 GBP to £924 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
A
Retailer 2
-
£214 GBP
$287 USD
View
Retailer 3
-
£229 GBP
$307 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£229 GBP
$307 USD
View
B+
Retailer 5
-
£246 GBP
$330 USD
View
B
Retailer 6
-
£384 GBP
$515 USD
View
B
Retailer 7
-
£433 GBP
€553 EUR
View
B
Retailer 8
-
£737 GBP
$988 USD
View
B
Retailer 9
-
£740 GBP
$991 USD
View
Most Expensive
B
MOH London
LG436047073 · Oct 29
£924 GBP
View
9 more retailers have this diamond
Prices start from £185 GBPSave up to £739 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
0.52ct Marquise
£185 GBP