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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 $746 AUD
$523 USD
As of November 2, 2026
Save $4,248 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,994 AUD at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from $746 to $4,994, a $4,248 spread on the same certified stone. Brilliant Earth lists it at $4,994. 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
Colour
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: Nov 2
Current: $4,994 AUD|Low: $725 AUD|High: $8,918 AUD|Avg: $2,231 AUD|-44.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 8$746 AUD
Retailer 12$836 AUD
Retailer 20$836 AUD
Retailer 3$926 AUD
Retailer 11$926 AUD
Retailer 14$1,112 AUD
Retailer 18$1,120 AUD
Retailer 4$1,381 AUD
Retailer 13$1,435 AUD
Retailer 2$1,842 AUD
Retailer 16$1,855 AUD
Retailer 21$1,965 AUD
Retailer 19$2,036 AUD
Retailer 10$2,434 AUD
Retailer 5$2,696 AUD
Retailer 9$3,009 AUD
Retailer 6$3,433 AUD
Retailer 15$3,867 AUD
Retailer 17$3,885 AUD
Retailer 7$4,055 AUD
Brilliant Earth$4,994 AUD

42 data points across 21 retailers

21 retailers$746 AUD to $4,994 AUD

A
Cheapest Retailer
-
$746 AUD
$523 USD
A
Retailer 2
-
$836 AUD
$586 USD
View
Final sale: no returns
A
Retailer 3
-
$836 AUD
$586 USD
View
Retailer 4
-
$926 AUD
$649 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$926 AUD
$649 USD
View
B+
Retailer 6
-
$1,112 AUD
$779 USD
View
A
Retailer 7
-
$1,120 AUD
$785 USD
View
A
Retailer 8
-
$1,381 AUD
$968 USD
View
A
Retailer 9
-
$1,435 AUD
£792 GBP
View
A
Retailer 10
-
$1,842 AUD
ZAR 20,854 ZAR
View
A
Retailer 11
-
$1,855 AUD
View
A
Retailer 12
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$1,965 AUD
$1,377 USD
View
A
Retailer 13
-
$2,036 AUD
$1,427 USD
View
B+
Retailer 14
-
$2,434 AUD
$1,706 USD
View
B+
Retailer 15
-
$2,696 AUD
£1,488 GBP
View
B+
Retailer 16
-
$3,009 AUD
$2,109 USD
View
B+
Retailer 17
-
$3,433 AUD
$2,406 USD
View
B
Retailer 18
-
$3,867 AUD
$2,710 USD
View
B
Retailer 19
-
$3,885 AUD
£2,144 GBP
View
B
Retailer 20
-
$4,055 AUD
$2,842 USD
View
Most Expensive
B
Brilliant Earth
20238254A · Nov 2
$4,994 AUD
$3,500 USD
View
20 more retailers have this diamond
Prices start from $746 AUDSave up to $4,248 AUD

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
$746 AUD