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Oval|Lab Grown|IGI

1.23ct E VVS1 Oval Lab Grown Diamond

ID • E/VVS1 • IGI LG834611012

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG834611012

Diamond specifications and retailer prices

From £187 GBP
$251 USD
As of October 31, 2026
Save £761 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £948 GBP at Brilliant Earth · As of October 29, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG834611012 or 834611012. Listed at 17 retailers as of October 29, 2026, with prices from £187 to £948, a £761 spread on the same certified stone. Brilliant Earth lists it at £948. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834611012
Dimensions8.70 × 6.15 × 3.67 mm
L/W Ratio1.41
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
8.70 mm6.15 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834611012
Side View
Table 56.0%Crown 34.8°Girdle: THN-MEDPavilion 39.1°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £948 GBP|Low: £161 GBP|High: £993 GBP|Avg: £458 GBP|-4.5%
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
October 31, 2026
Retailer 4£166 GBP
Retailer 9£187 GBP
Retailer 3£193 GBP
Retailer 6£207 GBP
Retailer 8£229 GBP
Retailer 13£280 GBP
Retailer 2£343 GBP
Retailer 15£352 GBP
Retailer 10£388 GBP
Retailer 16£503 GBP
Retailer 7£642 GBP
Retailer 12£661 GBP
Retailer 5£663 GBP
Retailer 11£673 GBP
Retailer 14£827 GBP
Brilliant Earth£948 GBP

37 data points across 16 retailers

17 retailers£187 GBP to £948 GBP

Retailer 1
-
£166 GBP
$223 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£187 GBP
$251 USD
View
Final sale: no returns
Retailer 3
-
£193 GBP
$259 USD
View
Price last confirmed 11 days ago
Retailer 4
-
£207 GBP
$277 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£207 GBP
$277 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 7
-
£280 GBP
$375 USD
View
A
Retailer 8
-
£343 GBP
€438 EUR
View
A
Retailer 9
-
£352 GBP
ZAR 7,627 ZAR
View
A
Retailer 10
-
£388 GBP
View
Retailer 11
-
£503 GBP
A$1,037 AUD
View
Price last confirmed 7 days ago
Retailer 12
-
£642 GBP
$860 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
£661 GBP
$886 USD
View
Retailer 14
-
£663 GBP
$889 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
£673 GBP
SGD 1,218 SGD
View
B
Retailer 16
-
£827 GBP
View
Most Expensive
B
Brilliant Earth
21360286A · Oct 29
£948 GBP
$1,270 USD
View
16 more retailers have this diamond
Prices start from £187 GBPSave up to £761 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
£187 GBP