Radiant|Lab Grown|IGI

1.23ct F VS2 Radiant Lab Grown Diamond

VG • F/VS2 • IGI LG691548408

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

Certificate IGI LG691548408

Diamond specifications and retailer prices

From €318 EUR
$357 USD
As of October 30, 2026
Save €710 EUR (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,028 EUR at MOH London · As of November 1, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG691548408 or 691548408. Listed at 9 retailers as of October 30, 2026, with prices from €318 to €1,028, a €710 spread on the same certified stone. MOH London lists it at €1,028. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548408
Dimensions8.17 × 5.25 × 3.26 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm5.25 mm1.23 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548408
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 29.3°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,028 EUR|Low: €318 EUR|High: €1,041 EUR|Avg: €559 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7€318 EUR
Retailer 5€352 EUR
Retailer 2€403 EUR
Retailer 6€421 EUR
Retailer 4€535 EUR
Retailer 3€580 EUR
Retailer 8€861 EUR
MOH London€1,028 EUR

40 data points across 8 retailers

9 retailers€318 EUR to €1,028 EUR

A
Cheapest Retailer
-
€318 EUR
$357 USD
A
Retailer 2
-
€352 EUR
$395 USD
View
B+
Retailer 3
-
€403 EUR
£356 GBP
View
B+
Retailer 4
-
€421 EUR
$472 USD
View
Retailer 5
-
€534 EUR
$599 USD
View
Price last confirmed 63 days ago
Retailer 6
-
€535 EUR
$600 USD
View
Price last confirmed 12 days ago
Retailer 7
-
€580 EUR
A$1,001 AUD
View
Price last confirmed 26 days ago
Retailer 8
-
€861 EUR
$965 USD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG691548408 · Nov 1
€1,028 EUR
£908 GBP
View
8 more retailers have this diamond
Prices start from €318 EURSave up to €710 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
€318 EUR