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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 €177 EUR
$197 USD
As of October 29, 2026
Save €743 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €920 EUR 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 €177 to €920, a €743 spread on the same certified stone. MOH London lists it at €920. 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

How it works →
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 29
Current: €920 EUR|Low: €177 EUR|High: €1,223 EUR|Avg: €583 EUR|-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€177 EUR
Retailer 9€241 EUR
Retailer 4€268 EUR
Retailer 14€327 EUR
Retailer 3€337 EUR
Retailer 2€350 EUR
Retailer 5€487 EUR
Retailer 12€505 EUR
Retailer 8€642 EUR
Retailer 11€668 EUR
Retailer 10€678 EUR
Retailer 6€764 EUR
Retailer 13€809 EUR
MOH London€920 EUR

23 data points across 14 retailers

13 retailers€177 EUR to €920 EUR

A
Cheapest Retailer
-
€177 EUR
$197 USD
Final sale: no returns
A
Retailer 2
-
€241 EUR
£211 GBP
View
B+
Retailer 3
-
€268 EUR
$298 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
€337 EUR
ZAR 6,053 ZAR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€350 EUR
£307 GBP
View
A
Retailer 6
-
€487 EUR
A$834 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
€505 EUR
$562 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€642 EUR
SGD 966 SGD
View
B+
Retailer 9
-
€668 EUR
$744 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
€678 EUR
$755 USD
View
B+
Retailer 11
-
€764 EUR
A$1,309 AUD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
€809 EUR
$900 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG839695403 · Oct 29
€920 EUR
£806 GBP
View
12 more retailers have this diamond
Prices start from €177 EURSave up to €743 EUR

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
€177 EUR