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 $654 CAD
$468 USD
As of October 30, 2026
Save $2,378 CAD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,031 CAD at Brilliance · As of October 30, 2026
View at Brilliance

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 $654 to $3,031, a $2,378 spread on the same certified stone. Brilliance lists it at $3,031. 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: $3,031 CAD|Low: $627 CAD|High: $3,330 CAD|Avg: $1,756 CAD|-9.0%
Brilliance
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
October 31, 2026
Retailer 16$654 CAD
Retailer 15$732 CAD
Retailer 3$810 CAD
Retailer 12$1,006 CAD
Retailer 7$1,266 CAD
Retailer 5$1,277 CAD
Retailer 2$1,343 CAD
Retailer 13$1,345 CAD
Retailer 9$1,711 CAD
Retailer 11$1,759 CAD
Retailer 14$2,178 CAD
Retailer 4$2,273 CAD
Retailer 6$2,604 CAD
Retailer 8$2,646 CAD
Retailer 10$2,991 CAD
Brilliance$3,031 CAD

44 data points across 16 retailers

16 retailers$654 CAD to $3,031 CAD

A
Cheapest Retailer
-
$654 CAD
$468 USD
A
Retailer 2
-
$732 CAD
$524 USD
View
A
Retailer 3
-
$810 CAD
$580 USD
View
A
Retailer 4
-
$1,006 CAD
$720 USD
View
B+
Retailer 5
-
$1,266 CAD
$906 USD
View
A
Retailer 6
-
$1,277 CAD
$914 USD
View
A
Retailer 7
-
$1,343 CAD
£757 GBP
View
A
Retailer 8
-
$1,345 CAD
€917 EUR
View
A
Retailer 9
-
$1,711 CAD
A$1,884 AUD
View
A
Retailer 10
-
$1,759 CAD
ZAR 20,337 ZAR
View
A
Retailer 11
-
$2,178 CAD
$1,559 USD
View
A
Retailer 12
-
$2,273 CAD
$1,627 USD
View
B+
Retailer 13
-
$2,604 CAD
$1,864 USD
View
B+
Retailer 14
-
$2,646 CAD
$1,894 USD
View
B+
Retailer 15
-
$2,991 CAD
£1,686 GBP
View
Most Expensive
B+
Brilliance
D43795291 · Oct 30
$3,031 CAD
$2,170 USD
View
15 more retailers have this diamond
Prices start from $654 CADSave up to $2,378 CAD

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
$654 CAD