CaratHunter
Plans
Marquise|Lab Grown|IGI

1.57ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG803649349

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803649349

Diamond specifications and retailer prices

From £357 GBP
$479 USD
As of November 1, 2026
Save £485 GBP (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £843 GBP at MOH London · As of November 1, 2026
View at MOH London

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 LG803649349 or 803649349. Listed at 6 retailers as of November 1, 2026, with prices from £357 to £843, a £485 spread on the same certified stone. MOH London lists it at £843. 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 angle32.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803649349
Dimensions12.49 × 6.05 × 3.62 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.49 mm6.05 mm1.57 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803649349
Side View
Table 64.0%Crown 32.8°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £843 GBP|Low: £329 GBP|High: £846 GBP|Avg: £506 GBP|+2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£357 GBP
Retailer 3£381 GBP
Retailer 2£392 GBP
Retailer 4£457 GBP
Retailer 6£715 GBP
MOH London£843 GBP

28 data points across 6 retailers

6 retailers£357 GBP to £843 GBP

A
Cheapest Retailer
-
£357 GBP
$479 USD
A
Retailer 2
-
£381 GBP
$510 USD
View
A
Retailer 3
-
£392 GBP
View
A
Retailer 4
-
£457 GBP
$612 USD
View
B+
Retailer 5
-
£715 GBP
$958 USD
View
Most Expensive
B+
MOH London
LG803649349 · Nov 1
£843 GBP
View
5 more retailers have this diamond
Prices start from £357 GBPSave up to £485 GBP

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
1.57ct Marquise
£357 GBP