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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 $311 USD
As of November 2, 2026
Save $1,235 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,546 USD 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 $311 to $1,546, a $1,235 spread on the same certified stone. MOH London lists it at $1,546. 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: $1,546 USD|Low: $298 USD|High: $1,562 USD|Avg: $758 USD|-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$311 USD
Retailer 9$330 USD
Retailer 3$347 USD
Retailer 8$351 USD
Retailer 15$360 USD
Retailer 12$385 USD
Retailer 16$385 USD
Retailer 5$540 USD
Retailer 14$626 USD
Retailer 2$702 USD
Retailer 6$753 USD
Retailer 10$1,183 USD
Retailer 13$1,238 USD
Retailer 4$1,450 USD
MOH London$1,546 USD
Retailer 7$1,548 USD

24 data points across 16 retailers

12 retailers$311 USD to $1,546 USD

A
Cheapest Retailer
-
$311 USD
A
Retailer 2
-
$330 USD
View
B+
Retailer 3
-
$347 USD
View
Final sale: no returns
B+
Retailer 4
-
$360 USD
View
Retailer 5
-
$385 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$385 USD
View
B
Retailer 7
-
$626 USD
View
B
Retailer 8
-
$702 USD
€669 EUR
View
B
Retailer 9
-
$1,183 USD
View
B
Retailer 10
-
$1,238 USD
View
B
Retailer 11
-
$1,450 USD
View
Most Expensive
B
MOH London
LG436047591 · Oct 26
$1,546 USD
£1,217 GBP
View
11 more retailers have this diamond
Prices start from $311 USDSave up to $1,235 USD

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
$311 USD