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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 €277 EUR
$311 USD
As of November 2, 2026
Save €1,101 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,378 EUR 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 €277 to €1,378, a €1,101 spread on the same certified stone. MOH London lists it at €1,378. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,378 EUR|Low: €266 EUR|High: €1,393 EUR|Avg: €675 EUR|-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€277 EUR
Retailer 9€294 EUR
Retailer 3€309 EUR
Retailer 8€313 EUR
Retailer 15€321 EUR
Retailer 12€343 EUR
Retailer 16€343 EUR
Retailer 5€481 EUR
Retailer 14€558 EUR
Retailer 2€626 EUR
Retailer 6€671 EUR
Retailer 10€1,055 EUR
Retailer 13€1,104 EUR
Retailer 4€1,293 EUR
MOH London€1,378 EUR
Retailer 7€1,380 EUR

24 data points across 16 retailers

12 retailers€277 EUR to €1,378 EUR

A
Cheapest Retailer
-
€277 EUR
$311 USD
A
Retailer 2
-
€294 EUR
$330 USD
View
B+
Retailer 3
-
€309 EUR
$347 USD
View
Final sale: no returns
B+
Retailer 4
-
€321 EUR
$360 USD
View
Retailer 5
-
€343 EUR
$385 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€343 EUR
$385 USD
View
B
Retailer 7
-
€558 EUR
$626 USD
View
B
Retailer 8
-
€626 EUR
View
B
Retailer 9
-
€1,055 EUR
$1,183 USD
View
B
Retailer 10
-
€1,104 EUR
$1,238 USD
View
B
Retailer 11
-
€1,293 EUR
$1,450 USD
View
Most Expensive
B
MOH London
LG436047591 · Oct 26
€1,378 EUR
£1,217 GBP
View
11 more retailers have this diamond
Prices start from €277 EURSave up to €1,101 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
0.52ct Marquise
€277 EUR