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Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG825615211

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825615211

Diamond specifications and retailer prices

From £217 GBP
$289 USD
As of October 29, 2026
Save £454 GBP (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £671 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825615211 or 825615211. Listed at 4 retailers as of October 29, 2026, with prices from £217 to £671, a £454 spread on the same certified stone. MOH London lists it at £671. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825615211
Dimensions8.22 × 5.38 × 3.38 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.38 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825615211
Side View
Table 62.0%Crown 33.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £671 GBP|Low: £216 GBP|High: £671 GBP|Avg: £331 GBP|+2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4£217 GBP
Retailer 2£248 GBP
Retailer 5£253 GBP
Retailer 3£261 GBP
MOH London£671 GBP

31 data points across 5 retailers

4 retailers£217 GBP to £671 GBP

A
Cheapest Retailer
-
£217 GBP
$289 USD
B+
Retailer 2
-
£248 GBP
View
B+
Retailer 3
-
£261 GBP
$348 USD
View
Most Expensive
B
MOH London
LG825615211 · Oct 29
£671 GBP
View
3 more retailers have this diamond
Prices start from £217 GBPSave up to £454 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
1.00ct Oval
£217 GBP