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Oval|Lab Grown|IGI

1.23ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG771655418

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG771655418

Diamond specifications and retailer prices

From £161 GBP
$215 USD
As of October 29, 2026
Save £727 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £889 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG771655418 or 771655418. Listed at 16 retailers as of October 25, 2026, with prices from £161 to £889, a £727 spread on the same certified stone. MOH London lists it at £889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771655418
Dimensions6.07 × 6.07 × 3.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.07 mm6.07 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771655418
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.6%

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 29
Current: £889 GBP|Low: £161 GBP|High: £898 GBP|Avg: £418 GBP|+0.1%
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
October 30, 2026
Retailer 11£161 GBP
Retailer 3£181 GBP
Retailer 9£200 GBP
Retailer 12£200 GBP
Retailer 2£238 GBP
Retailer 5£342 GBP
Retailer 13£343 GBP
Retailer 7£344 GBP
Retailer 6£371 GBP
Retailer 8£490 GBP
Retailer 10£647 GBP
Retailer 4£710 GBP
MOH London£889 GBP

42 data points across 13 retailers

16 retailers£161 GBP to £889 GBP

Retailer 1
-
£161 GBP
$215 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£161 GBP
$215 USD
View
A
Retailer 3
-
£181 GBP
$241 USD
View
Final sale: no returns
Retailer 4
-
£188 GBP
$250 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£200 GBP
$267 USD
View
Retailer 6
-
£200 GBP
$267 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
£238 GBP
View
A
Retailer 8
-
£342 GBP
$455 USD
View
A
Retailer 9
-
£343 GBP
$457 USD
View
A
Retailer 10
-
£344 GBP
ZAR 7,407 ZAR
View
A
Retailer 11
-
£371 GBP
View
B+
Retailer 12
-
£490 GBP
A$1,003 AUD
View
B+
Retailer 13
-
£639 GBP
$851 USD
View
Retailer 14
-
£644 GBP
$858 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
£647 GBP
$861 USD
View
Most Expensive
B
MOH London
LG771655418 · Oct 25
£889 GBP
View
15 more retailers have this diamond
Prices start from £161 GBPSave up to £727 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
1.23ct Oval
£161 GBP