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Marquise|Lab Grown|IGI

4.00ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG818624239

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818624239

Diamond specifications and retailer prices

From $902 CAD
$646 USD
As of October 31, 2026
Save $2,862 CAD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,540 CAD at Frank Darling · As of October 21, 2026
View at Frank Darling

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818624239 or 818624239. Listed at 6 retailers as of October 28, 2026, with a 317% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818624239
Dimensions15.55 × 8.30 × 5.35 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.55 mm8.30 mm4.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818624239
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.5%

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: Oct 31
Current: $5,540 CAD|Low: $902 CAD|High: $6,663 CAD|Avg: $3,115 CAD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 21, 2026
Retailer 3$902 CAD
Retailer 7$1,118 CAD
Retailer 4$1,256 CAD
Retailer 8$1,568 CAD
Retailer 5$3,248 CAD
Retailer 2$3,765 CAD
Frank Darling$5,540 CAD
Retailer 6$6,663 CAD

9 data points across 8 retailers

6 retailers$902 CAD to $3,765 CAD

A
Cheapest Retailer
-
$902 CAD
$646 USD
Final sale: no returns
Retailer 2
-
$1,256 CAD
$899 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$3,248 CAD
$2,325 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$3,751 CAD
$2,685 USD
View
B+
Retailer 5
-
$3,765 CAD
$2,695 USD
View
Most Expensive
Frank Darling
100188636377KD · Oct 21
$5,540 CAD
$3,966 USD
View
Price last confirmed 11 days ago
5 more retailers have this diamond
Prices start from $902 CADSave up to $2,862 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
4.00ct Marquise
$902 CAD