Radiant|Lab Grown|IGI

1.23ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG617412210

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

Certificate IGI LG617412210

Diamond specifications and retailer prices

From $426 USD
As of November 4, 2026
Save $188 USD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $614 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG617412210 or 617412210. Listed at 2 retailers as of November 2, 2026, with prices from $426 to $614, a $188 spread on the same certified stone. Diamond Quarter lists it at $614. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617412210
Dimensions7.57 × 5.09 × 3.52 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm5.09 mm1.23 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617412210
Side View
Table 63.0%Crown 44.1°Girdle: STK-THKPavilion 33.6°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $426 USD|Low: $131 USD|High: $1,650 USD|Avg: $616 USD|+2.2%
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September 23, 2026
Retailer 9$131 USD
Retailer 8$249 USD
Retailer 5$307 USD
Retailer 12$329 USD
Retailer 11$350 USD
Retailer 3$358 USD
Retailer 1$426 USD
Retailer 2$493 USD
Retailer 16$510 USD
Retailer 7$551 USD
Retailer 10$597 USD
Retailer 14$811 USD
Retailer 15$854 USD
Retailer 13$870 USD
Retailer 6$1,112 USD
Retailer 4$1,470 USD

45 data points across 16 retailers

2 retailers$426 USD to $614 USD

A
Cheapest Retailer
-
$426 USD
Most Expensive
B+
Diamond Quarter
1.23VVS2FLG10AEDEN · Nov 2
$614 USD
£483 GBP
View
1 more retailer has this diamond
Prices start from $426 USDSave up to $188 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
$426 USD