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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 $510 AUD
As of November 5, 2026
Save $1,132 AUD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,642 AUD 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 5, 2026, with prices from $510 to $1,642, a $1,132 spread on the same certified stone. MOH London lists it at $1,642. 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
Colour
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

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: Nov 5
Current: $1,642 AUD|Low: $510 AUD|High: $1,667 AUD|Avg: $898 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$510 AUD
Retailer 5$564 AUD
Retailer 2$639 AUD
Retailer 6$674 AUD
Retailer 3$736 AUD
Retailer 4$929 AUD
Retailer 8$1,379 AUD
MOH London$1,642 AUD

43 data points across 8 retailers

9 retailers$510 AUD to $1,642 AUD

A
Cheapest Retailer
-
$510 AUD
A
Retailer 2
-
$564 AUD
View
A
Retailer 3
-
$639 AUD
View
B+
Retailer 4
-
$674 AUD
View
B+
Retailer 5
-
$736 AUD
View
Retailer 6
-
$854 AUD
View
Price last confirmed 66 days ago
Retailer 7
-
$929 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$1,379 AUD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG691548408 · Nov 5
$1,642 AUD
£905 GBP
View
8 more retailers have this diamond
Prices start from $510 AUDSave up to $1,132 AUD

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
$510 AUD