Oval|Lab Grown|IGI

0.42ct I VS1 Oval Lab Grown Diamond

ID • I/VS1 • IGI LG803661908

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG803661908

Diamond specifications and retailer prices

From £70 GBP
$94 USD
As of October 26, 2026
Save £385 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £642 GBP at MOH London · As of October 15, 2026
View at MOH London

About this 0.42ct lab-grown oval diamond

This 0.42ct lab-grown oval sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803661908 or 803661908. Listed at 14 retailers as of October 25, 2026, with a 549% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803661908
Dimensions5.95 × 4.13 × 2.66 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
5.95 mm4.13 mm0.42 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803661908
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 64.4%

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: Oct 26
Current: £642 GBP|Low: £67 GBP|High: £646 GBP|Avg: £227 GBP|+0.3%
MOH London
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
October 29, 2026
Retailer 15£70 GBP
Retailer 10£81 GBP
Retailer 4£93 GBP
Retailer 7£105 GBP
Retailer 11£134 GBP
Retailer 9£155 GBP
Retailer 8£162 GBP
Retailer 13£181 GBP
Retailer 6£222 GBP
Retailer 2£246 GBP
Retailer 12£257 GBP
Retailer 14£280 GBP
Retailer 3£324 GBP
Retailer 5£455 GBP
MOH London£642 GBP

22 data points across 15 retailers

14 retailers£70 GBP to £455 GBP

A
Cheapest Retailer
-
£70 GBP
$94 USD
A
Retailer 2
-
£81 GBP
$109 USD
View
A
Retailer 3
-
£93 GBP
$124 USD
View
A
Retailer 4
-
£105 GBP
HK$1,100 HKD
View
Retailer 5
-
£134 GBP
$180 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£155 GBP
ZAR 3,349 ZAR
View
Price last confirmed 8 days ago
Retailer 7
-
£162 GBP
€207 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£181 GBP
$242 USD
View
B+
Retailer 9
-
£246 GBP
SGD 445 SGD
View
B+
Retailer 10
-
£257 GBP
$345 USD
View
B+
Retailer 11
-
£280 GBP
$375 USD
View
B
Retailer 12
-
£324 GBP
$434 USD
View
B
Retailer 13
-
£455 GBP
View
Most Expensive
MOH London
LG803661908 · Oct 15
£642 GBP
View
Price last confirmed 15 days ago
13 more retailers have this diamond
Prices start from £70 GBPSave up to £385 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
0.42ct Oval
£70 GBP