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Oval|Lab Grown|IGI

1.00ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG849648327

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG849648327

Diamond specifications and retailer prices

From £169 GBP
$225 USD
As of October 28, 2026
Save £872 GBP (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,041 GBP at MOH London · As of October 26, 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 top-tier cut grade and certified by IGI LG849648327 or 849648327. Listed at 7 retailers as of October 26, 2026, with prices from £169 to £1,041, a £872 spread on the same certified stone. MOH London lists it at £1,041. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849648327
Dimensions8.91 × 5.57 × 3.27 mm
L/W Ratio1.60
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.91 mm5.57 mm1.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG849648327
Side View
Table 60.0%Crown 28.8°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 58.7%

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 28
Current: £1,041 GBP|Low: £169 GBP|High: £1,041 GBP|Avg: £331 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 6£169 GBP
Retailer 2£209 GBP
Retailer 4£212 GBP
Retailer 3£267 GBP
Retailer 5£366 GBP
Retailer 7£442 GBP
MOH London£1,041 GBP

6 data points across 7 retailers

7 retailers£169 GBP to £1,041 GBP

B+
Cheapest Retailer
-
£169 GBP
$225 USD
A
Retailer 2
-
£209 GBP
View
A
Retailer 3
-
£212 GBP
$282 USD
View
A
Retailer 4
-
£267 GBP
View
B+
Retailer 5
-
£366 GBP
$487 USD
View
B+
Retailer 6
-
£442 GBP
$589 USD
View
Most Expensive
B
MOH London
LG849648327 · Oct 26
£1,041 GBP
View
6 more retailers have this diamond
Prices start from £169 GBPSave up to £872 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
£169 GBP