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Marquise|Lab Grown|IGI

3.99ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG818694805

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818694805

Diamond specifications and retailer prices

From $468 USD
As of October 30, 2026
Save $2,047 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,515 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.99ct lab-grown marquise diamond

This 3.99ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818694805 or 818694805. Listed at 16 retailers as of October 30, 2026, with prices from $468 to $2,515, a $2,047 spread on the same certified stone. MOH London lists it at $2,515. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.99
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818694805
Dimensions15.55 × 8.29 × 5.35 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.55 mm8.29 mm3.99 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818694805
Side View
Table 66.0%Crown 36.3°Girdle: STK-THKPavilion 42.7°Culet: NoneDepth 64.5%

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: Oct 30
Current: $2,515 USD|Low: $449 USD|High: $2,515 USD|Avg: $1,269 USD|+16.5%
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
November 1, 2026
Retailer 6$468 USD
Retailer 5$524 USD
Retailer 12$602 USD
Retailer 16$720 USD
Retailer 8$914 USD
Retailer 10$939 USD
Retailer 3$963 USD
Retailer 11$993 USD
Retailer 14$1,225 USD
Retailer 15$1,259 USD
Retailer 4$1,559 USD
Retailer 13$1,584 USD
Retailer 7$1,627 USD
Retailer 9$1,964 USD
Retailer 2$2,254 USD
MOH London$2,515 USD

44 data points across 16 retailers

16 retailers$468 USD to $2,515 USD

A
Cheapest Retailer
-
$468 USD
A
Retailer 2
-
$524 USD
View
A
Retailer 3
-
$602 USD
View
A
Retailer 4
-
$720 USD
View
A
Retailer 5
-
$914 USD
View
B+
Retailer 6
-
$939 USD
View
Retailer 7
-
$963 USD
€917 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$993 USD
£782 GBP
View
A
Retailer 9
-
$1,225 USD
A$1,884 AUD
View
A
Retailer 10
-
$1,259 USD
ZAR 20,337 ZAR
View
A
Retailer 11
-
$1,559 USD
View
B+
Retailer 12
-
$1,584 USD
View
B+
Retailer 13
-
$1,627 USD
View
B+
Retailer 14
-
$1,964 USD
View
B
Retailer 15
-
$2,254 USD
View
Most Expensive
B
MOH London
LG818694805 · Nov 1
$2,515 USD
£1,980 GBP
View
15 more retailers have this diamond
Prices start from $468 USDSave up to $2,047 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
3.99ct Marquise
$468 USD