Marquise|Lab Grown|IGI

4.63ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG844621251

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844621251

Diamond specifications and retailer prices

From $779 USD
As of November 1, 2026
Save $4,701 USD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,490 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 4.63ct lab-grown marquise diamond

This 4.63ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844621251 or 844621251. Listed at 4 retailers as of November 1, 2026, with a 603% 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

4.63
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621251
Dimensions18.00 × 8.89 × 5.55 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.00 mm8.89 mm4.63 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621251
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $10,490 USD|Low: $779 USD|High: $10,490 USD|Avg: $4,843 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$779 USD
Retailer 2$1,337 USD
Retailer 4$5,480 USD
Brilliant Earth$10,490 USD

20 data points across 4 retailers

4 retailers$779 USD to $5,480 USD

A
Cheapest Retailer
-
$779 USD
Final sale: no returns
A
Retailer 2
-
$1,337 USD
£1,052 GBP
View
B
Retailer 3
-
$5,480 USD
View
Most Expensive
Brilliant Earth
21829846A · Oct 24
$10,490 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from $779 USDSave up to $4,701 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
4.63ct Marquise
$779 USD