Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG839695403

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG839695403

Diamond specifications and retailer prices

From £148 GBP
$197 USD
As of October 29, 2026
Save £621 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £769 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant 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 LG839695403 or 839695403. Listed at 13 retailers as of October 29, 2026, with prices from £148 to £769, a £621 spread on the same certified stone. MOH London lists it at £769. 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 angle44.6°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839695403
Dimensions8.17 × 5.10 × 3.40 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.10 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839695403
Side View
Table 68.0%Crown 44.6°Girdle: MediumPavilion 34°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £769 GBP|Low: £148 GBP|High: £1,022 GBP|Avg: £487 GBP|-2.7%
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
Retailer 14
October 29, 2026
Retailer 7£148 GBP
Retailer 9£201 GBP
Retailer 4£224 GBP
Retailer 14£274 GBP
Retailer 3£281 GBP
Retailer 2£292 GBP
Retailer 5£407 GBP
Retailer 12£422 GBP
Retailer 8£537 GBP
Retailer 11£559 GBP
Retailer 10£567 GBP
Retailer 6£639 GBP
Retailer 13£676 GBP
MOH London£769 GBP

23 data points across 14 retailers

13 retailers£148 GBP to £769 GBP

A
Cheapest Retailer
-
£148 GBP
$197 USD
Final sale: no returns
A
Retailer 2
-
£201 GBP
View
B+
Retailer 3
-
£224 GBP
$298 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
£281 GBP
ZAR 6,053 ZAR
View
Price last confirmed 11 days ago
A
Retailer 5
-
£292 GBP
View
A
Retailer 6
-
£407 GBP
A$834 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
£422 GBP
$562 USD
View
B+
Retailer 8
-
£537 GBP
SGD 966 SGD
View
B+
Retailer 9
-
£559 GBP
$744 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£567 GBP
$755 USD
View
B+
Retailer 11
-
£639 GBP
A$1,309 AUD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
£676 GBP
$900 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG839695403 · Oct 29
£769 GBP
View
12 more retailers have this diamond
Prices start from £148 GBPSave up to £621 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 Radiant
£148 GBP