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Radiant|Lab Grown|IGI

6.23ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG851650149

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

Certificate IGI LG851650149

Diamond specifications and retailer prices

From €1,259 EUR
$1,412 USD
As of November 2, 2026
Save €2,751 EUR (69%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,010 EUR at With Clarity · As of November 2, 2026
View at With Clarity

About this 6.23ct lab-grown radiant diamond

This 6.23ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851650149 or 851650149. Listed at 3 retailers as of November 2, 2026, with prices from €1,259 to €4,010, a €2,751 spread on the same certified stone. With Clarity lists it at €4,010. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.23
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851650149
Dimensions13.25 × 9.14 × 6.14 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.25 mm9.14 mm6.23 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851650149
Side View
Table 64.0%Crown 41.6°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €1,259 EUR|Low: €1,259 EUR|High: €4,010 EUR|Avg: €2,925 EUR
Retailer 1
Retailer 2
With Clarity
October 31, 2026
Retailer 1€1,259 EUR
Retailer 2€3,673 EUR
With Clarity€4,010 EUR

3 data points across 3 retailers

3 retailers€1,259 EUR to €4,010 EUR

A
Cheapest Retailer
-
€1,259 EUR
$1,412 USD
B
Retailer 2
-
€3,673 EUR
$4,120 USD
View
Most Expensive
B
With Clarity
851650149 · Nov 2
€4,010 EUR
$4,498 USD
View
2 more retailers have this diamond
Prices start from €1,259 EURSave up to €2,751 EUR

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
6.23ct Radiant
€1,259 EUR