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Marquise|Lab Grown|IGI

4.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG800615838

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800615838

Diamond specifications and retailer prices

From $731 CAD
$523 USD
As of October 30, 2026
Save $4,159 CAD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,889 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG800615838 or 800615838. Listed at 21 retailers as of October 30, 2026, with prices from $731 to $4,889, a $4,159 spread on the same certified stone. Brilliant Earth lists it at $4,889. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800615838
Dimensions17.34 × 8.38 × 4.71 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.34 mm8.38 mm4.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800615838
Side View
Table 69.0%Crown 34.8°Girdle: STK-THKPavilion 38°Culet: NoneDepth 56.2%

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: $4,889 CAD|Low: $710 CAD|High: $8,731 CAD|Avg: $2,171 CAD|-44.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 13
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Retailer 15
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Retailer 17
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Retailer 19
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Retailer 21
November 1, 2026
Retailer 8$731 CAD
Retailer 12$819 CAD
Retailer 20$819 CAD
Retailer 3$907 CAD
Retailer 11$907 CAD
Retailer 14$1,088 CAD
Retailer 18$1,097 CAD
Retailer 4$1,352 CAD
Retailer 13$1,393 CAD
Retailer 17$1,803 CAD
Retailer 15$1,816 CAD
Retailer 21$1,924 CAD
Retailer 19$1,993 CAD
Retailer 10$2,383 CAD
Retailer 5$2,640 CAD
Retailer 9$2,946 CAD
Retailer 6$3,361 CAD
Retailer 2$3,786 CAD
Retailer 16$3,804 CAD
Retailer 7$3,970 CAD
Brilliant Earth$4,889 CAD

42 data points across 21 retailers

21 retailers$731 CAD to $4,889 CAD

A
Cheapest Retailer
-
$731 CAD
$523 USD
A
Retailer 2
-
$819 CAD
$586 USD
View
Final sale: no returns
A
Retailer 3
-
$819 CAD
$586 USD
View
Retailer 4
-
$907 CAD
$649 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$907 CAD
$649 USD
View
B+
Retailer 6
-
$1,088 CAD
$779 USD
View
A
Retailer 7
-
$1,097 CAD
$785 USD
View
A
Retailer 8
-
$1,352 CAD
$968 USD
View
A
Retailer 9
-
$1,393 CAD
£785 GBP
View
A
Retailer 10
-
$1,803 CAD
ZAR 20,853 ZAR
View
A
Retailer 11
-
$1,816 CAD
A$2,000 AUD
View
A
Retailer 12
-
$1,924 CAD
$1,377 USD
View
A
Retailer 13
-
$1,993 CAD
$1,427 USD
View
B+
Retailer 14
-
$2,383 CAD
$1,706 USD
View
B+
Retailer 15
-
$2,640 CAD
£1,488 GBP
View
B+
Retailer 16
-
$2,946 CAD
$2,109 USD
View
B+
Retailer 17
-
$3,361 CAD
$2,406 USD
View
B
Retailer 18
-
$3,786 CAD
$2,710 USD
View
B
Retailer 19
-
$3,804 CAD
£2,144 GBP
View
B
Retailer 20
-
$3,970 CAD
$2,842 USD
View
Most Expensive
B
Brilliant Earth
20238254A · Oct 31
$4,889 CAD
$3,500 USD
View
20 more retailers have this diamond
Prices start from $731 CADSave up to $4,159 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
$731 CAD