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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 $675 USD
As of November 2, 2026
Save $2,640 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,315 USD 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 $675 to $3,315, a $2,640 spread on the same certified stone. MOH London lists it at $3,315. 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
Color
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: $3,315 USD|Low: $675 USD|High: $8,200 USD|Avg: $2,395 USD
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$675 USD
Retailer 6$734 USD
Retailer 13$783 USD
Retailer 2$889 USD
Retailer 16$934 USD
Retailer 14$960 USD
Retailer 15$1,210 USD
Retailer 10$1,253 USD
Retailer 4$1,275 USD
Retailer 7$1,560 USD
Retailer 11$1,999 USD
Retailer 3$2,201 USD
Retailer 17$2,468 USD
MOH London$3,315 USD
Retailer 5$4,760 USD
Retailer 8$6,145 USD
Retailer 9$8,200 USD

6 data points across 17 retailers

13 retailers$675 USD to $3,315 USD

A
Cheapest Retailer
-
$675 USD
A
Retailer 2
-
$734 USD
View
A
Retailer 3
-
$783 USD
View
A
Retailer 4
-
$889 USD
£700 GBP
View
A
Retailer 5
-
$934 USD
HK$7,300 HKD
View
A
Retailer 6
-
$960 USD
View
A
Retailer 7
-
$1,210 USD
View
A
Retailer 8
-
$1,253 USD
£986 GBP
View
B+
Retailer 9
-
$1,275 USD
View
B
Retailer 10
-
$1,999 USD
View
B+
Retailer 11
-
$2,201 USD
View
B
Retailer 12
-
$2,468 USD
View
Most Expensive
B
MOH London
LG648444456 · Oct 29
$3,315 USD
£2,610 GBP
View
12 more retailers have this diamond
Prices start from $675 USDSave up to $2,640 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
5.83ct Marquise
$675 USD