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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 $644 NZD
As of November 6, 2026
Save $1,429 NZD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,073 NZD 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 $644 to $2,073, a $1,429 spread on the same certified stone. MOH London lists it at $2,073. 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 6
Current: $2,073 NZD|Low: $644 NZD|High: $2,105 NZD|Avg: $1,134 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7$644 NZD
Retailer 5$713 NZD
Retailer 2$803 NZD
Retailer 6$851 NZD
Retailer 3$929 NZD
Retailer 4$1,173 NZD
Retailer 8$1,741 NZD
MOH London$2,073 NZD

43 data points across 8 retailers

9 retailers$644 NZD to $2,073 NZD

A
Cheapest Retailer
-
$644 NZD
A
Retailer 2
-
$713 NZD
View
A
Retailer 3
-
$803 NZD
View
B+
Retailer 4
-
$851 NZD
View
B+
Retailer 5
-
$929 NZD
View
Retailer 6
-
$1,079 NZD
View
Price last confirmed 68 days ago
Retailer 7
-
$1,173 NZD
View
Price last confirmed 31 days ago
Retailer 8
-
$1,741 NZD
View
Price last confirmed 20 days ago
Most Expensive
B
MOH London
LG691548408 · Nov 5
$2,073 NZD
£905 GBP
View
8 more retailers have this diamond
Prices start from $644 NZDSave up to $1,429 NZD

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
$644 NZD