Radiant|Lab Grown|IGI

1.23ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG669481955

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

Certificate IGI LG669481955

Diamond specifications and retailer prices

From $455 USD
As of November 1, 2026
Save $98 USD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $553 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669481955 or 669481955. Listed at 2 retailers as of October 31, 2026, with prices from $455 to $553, a $98 spread on the same certified stone. Diamond Quarter lists it at $553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669481955
Dimensions7.59 × 5.31 × 3.49 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm5.31 mm1.23 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669481955
Side View
Table 64.0%Crown 41.7°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $455 USD|Low: $446 USD|High: $1,290 USD|Avg: $872 USD|-9.0%
Retailer 1
Retailer 2
Retailer 3
September 23, 2026
Retailer 1$455 USD
Retailer 2$653 USD
Retailer 3$1,290 USD

5 data points across 3 retailers

2 retailers$455 USD to $553 USD

A
Cheapest Retailer
-
$455 USD
Most Expensive
B+
Diamond Quarter
1.23VS2GLG559347N · Oct 31
$553 USD
£436 GBP
View
1 more retailer has this diamond
Prices start from $455 USDSave up to $98 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
$455 USD