Oval|Lab Grown|IGI

1.57ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG818685018

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818685018

Diamond specifications and retailer prices

From £850 GBP
$1,130 USD
As of October 28, 2026
12 retailers carry this diamond
Most expensive: £873 GBP at MOH London · As of October 5, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818685018 or 818685018. Listed at 12 retailers as of October 28, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685018
Dimensions9.27 × 6.44 × 4.00 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.27 mm6.44 mm1.57 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685018
Side View
Table 61.0%Crown 37°Girdle: Slightly ThickPavilion 39.6°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £873 GBP|Low: £135 GBP|High: £873 GBP|Avg: £539 GBP|+3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 5, 2026
Retailer 10£194 GBP
Retailer 11£215 GBP
Retailer 9£366 GBP
Retailer 5£370 GBP
Retailer 7£401 GBP
Retailer 4£495 GBP
Retailer 2£523 GBP
Retailer 12£696 GBP
Retailer 3£731 GBP
Retailer 6£734 GBP
Retailer 8£850 GBP
MOH London£873 GBP

17 data points across 12 retailers

12 retailers

A
Retailer 1
-
£166 GBP
$221 USD
Price last confirmed 24 days ago
A
Retailer 2
-
£199 GBP
$265 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£215 GBP
$286 USD
View
Price last confirmed 24 days ago
A
Retailer 4
-
£366 GBP
$486 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
£370 GBP
ZAR 7,942 ZAR
View
Price last confirmed 24 days ago
B+
Retailer 6
-
£523 GBP
$695 USD
View
Price last confirmed 23 days ago
B
Retailer 7
-
£692 GBP
$920 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
£696 GBP
SGD 1,249 SGD
View
Price last confirmed 23 days ago
B
Retailer 9
-
£731 GBP
$972 USD
View
Price last confirmed 23 days ago
B
Retailer 10
-
£734 GBP
$975 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
£850 GBP
$1,130 USD
View
Most Expensive
B
MOH London
LG818685018 · Oct 5
£873 GBP
View
Price last confirmed 23 days ago
11 more retailers have this diamond
Prices start from £850 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 Oval
£850 GBP