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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 $523 USD
As of October 30, 2026
Save $2,977 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,500 USD 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 $523 to $3,500, a $2,977 spread on the same certified stone. Brilliant Earth lists it at $3,500. 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: $3,500 USD|Low: $508 USD|High: $6,250 USD|Avg: $1,554 USD|-44.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 8$523 USD
Retailer 12$586 USD
Retailer 20$586 USD
Retailer 3$649 USD
Retailer 11$649 USD
Retailer 14$779 USD
Retailer 18$785 USD
Retailer 4$968 USD
Retailer 13$997 USD
Retailer 17$1,291 USD
Retailer 15$1,300 USD
Retailer 21$1,377 USD
Retailer 19$1,427 USD
Retailer 10$1,706 USD
Retailer 5$1,890 USD
Retailer 9$2,109 USD
Retailer 6$2,406 USD
Retailer 2$2,710 USD
Retailer 16$2,723 USD
Retailer 7$2,842 USD
Brilliant Earth$3,500 USD

42 data points across 21 retailers

21 retailers$523 USD to $3,500 USD

A
Cheapest Retailer
-
$523 USD
A
Retailer 2
-
$586 USD
View
Final sale: no returns
A
Retailer 3
-
$586 USD
View
Retailer 4
-
$649 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$649 USD
View
B+
Retailer 6
-
$779 USD
View
A
Retailer 7
-
$785 USD
View
A
Retailer 8
-
$968 USD
View
A
Retailer 9
-
$997 USD
£785 GBP
View
A
Retailer 10
-
$1,291 USD
ZAR 20,853 ZAR
View
A
Retailer 11
-
$1,300 USD
A$2,000 AUD
View
A
Retailer 12
-
$1,377 USD
View
A
Retailer 13
-
$1,427 USD
View
B+
Retailer 14
-
$1,706 USD
View
B+
Retailer 15
-
$1,890 USD
£1,488 GBP
View
B+
Retailer 16
-
$2,109 USD
View
B+
Retailer 17
-
$2,406 USD
View
B
Retailer 18
-
$2,710 USD
View
B
Retailer 19
-
$2,723 USD
£2,144 GBP
View
B
Retailer 20
-
$2,842 USD
View
Most Expensive
B
Brilliant Earth
20238254A · Oct 31
$3,500 USD
View
20 more retailers have this diamond
Prices start from $523 USDSave up to $2,977 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
4.00ct Marquise
$523 USD