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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 $444 AUD
$311 USD
As of November 2, 2026
Save $1,762 AUD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,205 AUD 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 $444 to $2,205, a $1,762 spread on the same certified stone. MOH London lists it at $2,205. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,205 AUD|Low: $425 AUD|High: $2,229 AUD|Avg: $1,081 AUD|-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$444 AUD
Retailer 9$471 AUD
Retailer 3$495 AUD
Retailer 8$501 AUD
Retailer 15$514 AUD
Retailer 12$549 AUD
Retailer 16$549 AUD
Retailer 5$771 AUD
Retailer 14$893 AUD
Retailer 2$1,002 AUD
Retailer 6$1,074 AUD
Retailer 10$1,688 AUD
Retailer 13$1,767 AUD
Retailer 4$2,069 AUD
MOH London$2,205 AUD
Retailer 7$2,209 AUD

24 data points across 16 retailers

12 retailers$444 AUD to $2,205 AUD

A
Cheapest Retailer
-
$444 AUD
$311 USD
A
Retailer 2
-
$471 AUD
$330 USD
View
B+
Retailer 3
-
$495 AUD
$347 USD
View
Final sale: no returns
B+
Retailer 4
-
$514 AUD
$360 USD
View
Retailer 5
-
$549 AUD
$385 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$549 AUD
$385 USD
View
B
Retailer 7
-
$893 AUD
$626 USD
View
B
Retailer 8
-
$1,002 AUD
€669 EUR
View
B
Retailer 9
-
$1,688 AUD
$1,183 USD
View
B
Retailer 10
-
$1,767 AUD
$1,238 USD
View
B
Retailer 11
-
$2,069 AUD
$1,450 USD
View
Most Expensive
B
MOH London
LG436047591 · Oct 26
$2,205 AUD
£1,217 GBP
View
11 more retailers have this diamond
Prices start from $444 AUDSave up to $1,762 AUD

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
$444 AUD