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Marquise|Lab Grown|IGI

5.83ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG648444456

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG648444456

Diamond specifications and retailer prices

From $963 AUD
$675 USD
As of November 2, 2026
Save $3,767 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,730 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 5.83ct lab-grown marquise diamond

This 5.83ct 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 LG648444456 or 648444456. Listed at 13 retailers as of October 29, 2026, with prices from $963 to $4,730, a $3,767 spread on the same certified stone. MOH London lists it at $4,730. 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

5.83
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648444456
Dimensions18.75 × 9.33 × 5.85 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.75 mm9.33 mm5.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648444456
Side View
Table 59.0%Crown 36.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 62.7%

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: $4,730 AUD|Low: $963 AUD|High: $11,701 AUD|Avg: $3,400 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 3, 2026
Retailer 12$963 AUD
Retailer 6$1,047 AUD
Retailer 13$1,117 AUD
Retailer 10$1,269 AUD
Retailer 16$1,333 AUD
Retailer 14$1,370 AUD
Retailer 15$1,727 AUD
Retailer 2$1,787 AUD
Retailer 4$1,819 AUD
Retailer 7$2,226 AUD
Retailer 11$2,852 AUD
Retailer 3$3,141 AUD
Retailer 17$3,522 AUD
MOH London$4,730 AUD
Retailer 5$6,792 AUD
Retailer 8$8,768 AUD
Retailer 9$11,701 AUD

7 data points across 17 retailers

13 retailers$963 AUD to $4,730 AUD

A
Cheapest Retailer
-
$963 AUD
$675 USD
A
Retailer 2
-
$1,047 AUD
$734 USD
View
A
Retailer 3
-
$1,117 AUD
$783 USD
View
A
Retailer 4
-
$1,269 AUD
£700 GBP
View
A
Retailer 5
-
$1,333 AUD
HK$7,300 HKD
View
A
Retailer 6
-
$1,370 AUD
$960 USD
View
A
Retailer 7
-
$1,727 AUD
$1,210 USD
View
A
Retailer 8
-
$1,787 AUD
£986 GBP
View
B+
Retailer 9
-
$1,819 AUD
$1,275 USD
View
B
Retailer 10
-
$2,852 AUD
$1,999 USD
View
B+
Retailer 11
-
$3,141 AUD
$2,201 USD
View
B
Retailer 12
-
$3,522 AUD
$2,468 USD
View
Most Expensive
B
MOH London
LG648444456 · Oct 29
$4,730 AUD
£2,610 GBP
View
12 more retailers have this diamond
Prices start from $963 AUDSave up to $3,767 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
5.83ct Marquise
$963 AUD