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Marquise|Lab Grown|IGI

1.57ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG803603666

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803603666

Diamond specifications and retailer prices

From £1,060 GBP
$1,420 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: £1,060 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803603666 or 803603666. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803603666
Dimensions11.40 × 6.07 × 3.93 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm6.07 mm1.57 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803603666
Side View
Table 59.0%Crown 36.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £439 GBP|Low: £435 GBP|High: £764 GBP|Avg: £527 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
June 22, 2026
Retailer 1£439 GBP
Retailer 3£465 GBP
Retailer 2£479 GBP
Retailer 5£499 GBP
Retailer 4£725 GBP

18 data points across 5 retailers

1 retailer

B
Brilliant Earth
19928184A · Oct 31
£1,060 GBP
$1,420 USD
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B
1.57ct Marquise
£1,060 GBP