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Marquise|Lab Grown|IGI

4.57ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG806615995

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806615995

Diamond specifications and retailer prices

From $998 USD
HK$7,800 HKD
As of November 1, 2026
Save $4,462 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,460 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.57ct lab-grown marquise diamond

This 4.57ct 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 LG806615995 or 806615995. Listed at 15 retailers as of October 28, 2026, with prices from $998 to $5,460, a $4,462 spread on the same certified stone. Rare Carat lists it at $5,460. 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

4.57
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806615995
Dimensions16.91 × 8.80 × 5.29 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.91 mm8.80 mm4.57 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806615995
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.1%

Caratlytics Score

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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 1
Current: $5,460 USD|Low: $998 USD|High: $5,980 USD|Avg: $2,843 USD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 12$998 USD
Retailer 4$1,232 USD
Retailer 14$1,327 USD
Retailer 15$1,393 USD
Retailer 5$1,413 USD
Retailer 2$1,879 USD
Retailer 7$2,027 USD
Retailer 11$2,056 USD
Retailer 9$2,885 USD
Retailer 6$3,011 USD
Retailer 3$3,432 USD
Retailer 8$3,561 USD
Retailer 10$4,078 USD
Retailer 13$5,280 USD
Rare Carat$5,460 USD

40 data points across 15 retailers

15 retailers$998 USD to $5,460 USD

A
Cheapest Retailer
-
$998 USD
HK$7,800 HKD
Retailer 2
-
$1,232 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,327 USD
€1,264 EUR
View
A
Retailer 4
-
$1,393 USD
£1,097 GBP
View
Retailer 5
-
$1,413 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,879 USD
View
A
Retailer 7
-
$2,027 USD
A$3,118 AUD
View
A
Retailer 8
-
$2,056 USD
View
B+
Retailer 9
-
$2,885 USD
SGD 3,898 SGD
View
B+
Retailer 10
-
$3,011 USD
View
B+
Retailer 11
-
$3,432 USD
£2,702 GBP
View
B
Retailer 12
-
$3,561 USD
A$5,478 AUD
View
B
Retailer 13
-
$4,078 USD
View
B
Retailer 14
-
$5,280 USD
View
Most Expensive
B
Rare Carat
152494-BB · Oct 28
$5,460 USD
View
14 more retailers have this diamond
Prices start from $998 USDSave up to $4,462 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
4.57ct Marquise
$998 USD