Radiant|Lab Grown|IGI

1.23ct G VVS2 Radiant Lab Grown Diamond

VG • G/VVS2 • IGI LG670440093

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

Certificate IGI LG670440093

Diamond specifications and retailer prices

From $480 USD
As of November 4, 2026
Save $101 USD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $581 USD at Diamond Quarter · As of November 2, 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 VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG670440093 or 670440093. Listed at 2 retailers as of November 2, 2026, with prices from $480 to $581, a $101 spread on the same certified stone. Diamond Quarter lists it at $581. 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
G
Color
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670440093
Dimensions7.54 × 5.29 × 3.61 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.29 mm1.23 ctG / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670440093
Side View
Table 59.0%Crown 42.4°Girdle: MediumPavilion 35°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $480 USD|Low: $470 USD|High: $696 USD|Avg: $545 USD|-31.0%
September 23, 2026
Retailer 1$480 USD

4 data points across 1 retailer

2 retailers$480 USD to $581 USD

B+
Cheapest Retailer
-
$480 USD
Most Expensive
B+
Diamond Quarter
1.23VVS2GLG937579N · Nov 2
$581 USD
£457 GBP
View
1 more retailer has this diamond
Prices start from $480 USDSave up to $101 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.

B+
1.23ct Radiant
$480 USD