Oval|Lab Grown|IGI

1.23ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG807675108

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807675108

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 30, 2026
Save £1,267 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,052 GBP at Brilliant Earth · As of October 4, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807675108 or 807675108. Listed at 21 retailers as of October 28, 2026, with a 732% 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

1.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807675108
Dimensions8.66 × 6.01 × 3.73 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.66 mm6.01 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807675108
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

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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 30
Current: £1,440 GBP|Low: £173 GBP|High: £2,052 GBP|Avg: £586 GBP|-3.0%
Brilliant Earth
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 3£173 GBP
Retailer 13£193 GBP
Retailer 14£193 GBP
Retailer 5£260 GBP
Retailer 11£331 GBP
Retailer 8£339 GBP
Retailer 2£355 GBP
Retailer 16£375 GBP
Retailer 9£463 GBP
Retailer 12£471 GBP
Retailer 6£498 GBP
Retailer 15£593 GBP
Retailer 17£659 GBP
Retailer 10£776 GBP
Retailer 4£910 GBP
Retailer 7£1,090 GBP
Brilliant Earth£1,440 GBP

34 data points across 17 retailers

21 retailers£173 GBP to £1,440 GBP

Retailer 1
-
£153 GBP
$205 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£173 GBP
$232 USD
View
Final sale: no returns
A
Retailer 3
-
£193 GBP
$258 USD
View
A
Retailer 4
-
£193 GBP
$258 USD
View
Retailer 5
-
£198 GBP
$265 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£220 GBP
HK$2,300 HKD
View
Price last confirmed 56 days ago
B+
Retailer 7
-
£260 GBP
$348 USD
View
A
Retailer 8
-
£331 GBP
ZAR 7,163 ZAR
View
A
Retailer 9
-
£355 GBP
View
A
Retailer 10
-
£375 GBP
$502 USD
View
Retailer 11
-
£437 GBP
$586 USD
View
Price last confirmed 20 days ago
A
Retailer 12
-
£471 GBP
A$970 AUD
View
B+
Retailer 13
-
£498 GBP
$667 USD
View
B+
Retailer 14
-
£593 GBP
$794 USD
View
Retailer 15
-
£636 GBP
$852 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£659 GBP
$883 USD
View
B+
Retailer 17
-
£776 GBP
View
B
Retailer 18
-
£910 GBP
$1,220 USD
View
Retailer 19
-
£1,090 GBP
$1,460 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
£1,440 GBP
$1,930 USD
View
Most Expensive
Brilliant Earth
20410745A · Oct 4
£2,052 GBP
$2,750 USD
View
Price last confirmed 26 days ago
20 more retailers have this diamond
Prices start from £173 GBPSave up to £1,267 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
£173 GBP