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Marquise|Lab Grown|IGI

5.52ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG645467658

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG645467658

Diamond specifications and retailer prices

From $926 AUD
$649 USD
As of November 2, 2026
Save $3,597 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,523 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 5.52ct lab-grown marquise diamond

This 5.52ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645467658 or 645467658. Listed at 13 retailers as of November 2, 2026, with prices from $926 to $4,523, a $3,597 spread on the same certified stone. MOH London lists it at $4,523. 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

5.52
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645467658
Dimensions18.32 × 9.15 × 5.81 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.32 mm9.15 mm5.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645467658
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: $4,523 AUD|Low: $926 AUD|High: $11,144 AUD|Avg: $3,189 AUD
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
Retailer 17
November 2, 2026
Retailer 12$926 AUD
Retailer 6$1,007 AUD
Retailer 13$1,073 AUD
Retailer 2$1,220 AUD
Retailer 16$1,279 AUD
Retailer 14$1,327 AUD
Retailer 15$1,667 AUD
Retailer 10$1,716 AUD
Retailer 4$1,752 AUD
Retailer 7$2,125 AUD
Retailer 11$2,743 AUD
Retailer 3$3,018 AUD
Retailer 17$3,181 AUD
MOH London$4,523 AUD
Retailer 5$5,515 AUD
Retailer 9$8,302 AUD
Retailer 8$11,144 AUD

6 data points across 17 retailers

13 retailers$926 AUD to $4,523 AUD

A
Cheapest Retailer
-
$926 AUD
$649 USD
A
Retailer 2
-
$1,007 AUD
$706 USD
View
A
Retailer 3
-
$1,073 AUD
$752 USD
View
A
Retailer 4
-
$1,220 AUD
£673 GBP
View
A
Retailer 5
-
$1,279 AUD
HK$7,000 HKD
View
A
Retailer 6
-
$1,327 AUD
$930 USD
View
A
Retailer 7
-
$1,667 AUD
$1,168 USD
View
A
Retailer 8
-
$1,716 AUD
£947 GBP
View
B+
Retailer 9
-
$1,752 AUD
$1,228 USD
View
B+
Retailer 10
-
$2,743 AUD
$1,922 USD
View
B+
Retailer 11
-
$3,018 AUD
$2,115 USD
View
B
Retailer 12
-
$3,181 AUD
$2,229 USD
View
Most Expensive
B
MOH London
LG645467658 · Nov 3
$4,523 AUD
£2,496 GBP
View
12 more retailers have this diamond
Prices start from $926 AUDSave up to $3,597 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
5.52ct Marquise
$926 AUD