CaratHunter
Plans
Oval|Lab Grown|IGI

1.02ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG575391781

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG575391781

Diamond specifications and retailer prices

From £254 GBP
$341 USD
As of November 3, 2026
Save £85 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £788 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.02ct lab-grown oval diamond

This 1.02ct lab-grown oval sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG575391781 or 575391781. Listed at 4 retailers as of November 1, 2026, with a 33% 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

1.02
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575391781
Dimensions7.82 × 5.75 × 3.58 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.82 mm5.75 mm1.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575391781
Side View
Table 60.5%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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 3
Current: £788 GBP|Low: £254 GBP|High: £796 GBP|Avg: £447 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
October 26, 2026
Retailer 2£254 GBP
Retailer 3£298 GBP
MOH London£788 GBP

4 data points across 3 retailers

4 retailers£254 GBP to £339 GBP

A
Cheapest Retailer
-
£254 GBP
$341 USD
A
Retailer 2
-
£298 GBP
$399 USD
View
B+
Retailer 3
-
£339 GBP
$455 USD
View
Most Expensive
MOH London
LG575391781 · Oct 26
£788 GBP
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from £254 GBPSave up to £85 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
1.02ct Oval
£254 GBP