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Marquise|Lab Grown|IGI

0.52ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047591

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047591

Diamond specifications and retailer prices

From £232 GBP
$311 USD
As of November 2, 2026
Save £920 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,152 GBP at MOH London · As of October 26, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047591 or 436047591. Listed at 12 retailers as of October 26, 2026, with prices from £232 to £1,152, a £920 spread on the same certified stone. MOH London lists it at £1,152. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047591
Dimensions8.50 × 4.18 × 2.64 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.50 mm4.18 mm0.52 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047591
Side View
Table 59.5%Crown 34.6°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.2%

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: Nov 2
Current: £1,152 GBP|Low: £222 GBP|High: £1,164 GBP|Avg: £565 GBP|-0.9%
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
October 31, 2026
Retailer 11£232 GBP
Retailer 9£246 GBP
Retailer 3£259 GBP
Retailer 8£262 GBP
Retailer 15£268 GBP
Retailer 12£287 GBP
Retailer 16£287 GBP
Retailer 5£402 GBP
Retailer 14£466 GBP
Retailer 2£523 GBP
Retailer 6£561 GBP
Retailer 10£882 GBP
Retailer 13£923 GBP
Retailer 4£1,080 GBP
MOH London£1,152 GBP
Retailer 7£1,154 GBP

24 data points across 16 retailers

12 retailers£232 GBP to £1,152 GBP

A
Cheapest Retailer
-
£232 GBP
$311 USD
A
Retailer 2
-
£246 GBP
$330 USD
View
B+
Retailer 3
-
£259 GBP
$347 USD
View
Final sale: no returns
B+
Retailer 4
-
£268 GBP
$360 USD
View
Retailer 5
-
£287 GBP
$385 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£287 GBP
$385 USD
View
B
Retailer 7
-
£466 GBP
$626 USD
View
B
Retailer 8
-
£523 GBP
€669 EUR
View
B
Retailer 9
-
£882 GBP
$1,183 USD
View
B
Retailer 10
-
£923 GBP
$1,238 USD
View
B
Retailer 11
-
£1,080 GBP
$1,450 USD
View
Most Expensive
B
MOH London
LG436047591 · Oct 26
£1,152 GBP
View
11 more retailers have this diamond
Prices start from £232 GBPSave up to £920 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
£232 GBP