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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 $1,200 NZD
$675 USD
As of November 2, 2026
Save $4,692 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,891 NZD 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 $1,200 to $5,891, a $4,692 spread on the same certified stone. MOH London lists it at $5,891. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,891 NZD|Low: $1,200 NZD|High: $14,574 NZD|Avg: $4,234 NZD
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$1,200 NZD
Retailer 6$1,305 NZD
Retailer 13$1,392 NZD
Retailer 10$1,581 NZD
Retailer 16$1,661 NZD
Retailer 14$1,706 NZD
Retailer 15$2,151 NZD
Retailer 2$2,226 NZD
Retailer 4$2,266 NZD
Retailer 7$2,773 NZD
Retailer 11$3,553 NZD
Retailer 3$3,912 NZD
Retailer 17$4,386 NZD
MOH London$5,891 NZD
Retailer 5$8,460 NZD
Retailer 8$10,921 NZD
Retailer 9$14,574 NZD

7 data points across 17 retailers

13 retailers$1,200 NZD to $5,891 NZD

A
Cheapest Retailer
-
$1,200 NZD
$675 USD
A
Retailer 2
-
$1,305 NZD
$734 USD
View
A
Retailer 3
-
$1,392 NZD
$783 USD
View
A
Retailer 4
-
$1,581 NZD
£700 GBP
View
A
Retailer 5
-
$1,661 NZD
HK$7,300 HKD
View
A
Retailer 6
-
$1,706 NZD
$960 USD
View
A
Retailer 7
-
$2,151 NZD
$1,210 USD
View
A
Retailer 8
-
$2,226 NZD
£986 GBP
View
B+
Retailer 9
-
$2,266 NZD
$1,275 USD
View
B
Retailer 10
-
$3,553 NZD
$1,999 USD
View
B+
Retailer 11
-
$3,912 NZD
$2,201 USD
View
B
Retailer 12
-
$4,386 NZD
$2,468 USD
View
Most Expensive
B
MOH London
LG648444456 · Oct 29
$5,891 NZD
£2,610 GBP
View
12 more retailers have this diamond
Prices start from $1,200 NZDSave up to $4,692 NZD

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
$1,200 NZD