Marquise|Lab Grown|IGI

4.50ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG814638030

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814638030

Diamond specifications and retailer prices

From $806 USD
HK$6,300 HKD
As of October 30, 2026
20 retailers carry this diamond
Most expensive: $4,040 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 4.5ct lab-grown marquise diamond

This 4.5ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG814638030 or 814638030. Listed at 20 retailers as of October 30, 2026. 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

4.50
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814638030
Dimensions16.77 × 8.83 × 5.31 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.77 mm8.83 mm4.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814638030
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,040 USD|Low: $568 USD|High: $4,040 USD|Avg: $1,616 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
October 25, 2026
Retailer 16$592 USD
Retailer 7$662 USD
Retailer 4$663 USD
Retailer 19$698 USD
Retailer 15$734 USD
Retailer 13$845 USD
Retailer 9$1,064 USD
Retailer 2$1,066 USD
Retailer 5$1,126 USD
Retailer 12$1,133 USD
Retailer 8$1,492 USD
Retailer 3$1,650 USD
Retailer 14$1,930 USD
Retailer 11$2,134 USD
Retailer 10$2,321 USD
Retailer 6$2,341 USD
Retailer 17$2,830 USD
Retailer 18$3,203 USD
Brilliant Earth$4,040 USD

32 data points across 19 retailers

20 retailers

Retailer 1
-
$592 USD
Price last confirmed 10 days ago
Retailer 2
-
$663 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$734 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$806 USD
HK$6,300 HKD
View
Retailer 5
-
$845 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$1,064 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$1,066 USD
€1,015 EUR
View
Price last confirmed 8 days ago
Retailer 8
-
$1,126 USD
View
Price last confirmed 10 days ago
Retailer 9
-
$1,133 USD
£892 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
$1,492 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$1,650 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$1,930 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$2,134 USD
£1,680 GBP
View
Price last confirmed 10 days ago
Retailer 14
-
$2,321 USD
SGD 3,136 SGD
View
Price last confirmed 10 days ago
Retailer 15
-
$2,341 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$2,830 USD
View
Price last confirmed 15 days ago
Retailer 17
-
$3,203 USD
£2,522 GBP
View
Price last confirmed 12 days ago
Retailer 18
-
$3,236 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$4,040 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20525240A · Oct 23
$4,040 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from $806 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
4.50ct Marquise
$806 USD