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 $357 USD
As of November 3, 2026
Save $792 USD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,149 USD at MOH London · As of November 5, 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 November 3, 2026, with prices from $357 to $1,149, a $792 spread on the same certified stone. MOH London lists it at $1,149. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,149 USD|Low: $357 USD|High: $1,167 USD|Avg: $628 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$357 USD
Retailer 5$395 USD
Retailer 2$447 USD
Retailer 6$472 USD
Retailer 3$515 USD
Retailer 4$650 USD
Retailer 8$965 USD
MOH London$1,149 USD

43 data points across 8 retailers

9 retailers$357 USD to $1,149 USD

A
Cheapest Retailer
-
$357 USD
A
Retailer 2
-
$395 USD
View
A
Retailer 3
-
$447 USD
View
B+
Retailer 4
-
$472 USD
View
B+
Retailer 5
-
$515 USD
View
Retailer 6
-
$598 USD
View
Price last confirmed 66 days ago
Retailer 7
-
$650 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$965 USD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG691548408 · Nov 5
$1,149 USD
£905 GBP
View
8 more retailers have this diamond
Prices start from $357 USDSave up to $792 USD

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
$357 USD