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Radiant|Lab Grown|IGI

11.23ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG620445939

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

Certificate IGI LG620445939

Diamond specifications and retailer prices

From €1,521 EUR
$1,706 USD
As of November 2, 2026
Save €7,876 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €9,397 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.23ct lab-grown radiant diamond

This 11.23ct 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 LG620445939 or 620445939. Listed at 20 retailers as of November 2, 2026, with prices from €1,521 to €9,397, a €7,876 spread on the same certified stone. Brilliant Earth lists it at €9,397. 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

11.23
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620445939
Dimensions15.76 × 10.97 × 7.45 mm
L/W Ratio1.44
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
15.76 mm10.97 mm11.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620445939
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.9%

Caratlytics Score

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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 2
Current: €9,397 EUR|Low: €1,424 EUR|High: €11,359 EUR|Avg: €3,451 EUR|-17.3%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21€1,424 EUR
Retailer 3€1,521 EUR
Retailer 18€1,655 EUR
Retailer 8€1,703 EUR
Retailer 5€1,764 EUR
Retailer 6€1,764 EUR
Retailer 17€1,917 EUR
Retailer 11€2,295 EUR
Retailer 13€2,480 EUR
Retailer 16€2,731 EUR
Retailer 9€2,771 EUR
Retailer 2€2,867 EUR
Retailer 19€3,042 EUR
Retailer 15€3,269 EUR
Retailer 4€3,307 EUR
Retailer 14€3,655 EUR
Retailer 10€4,755 EUR
Retailer 20€5,086 EUR
Retailer 7€5,100 EUR
Retailer 12€6,537 EUR
Brilliant Earth€9,397 EUR

41 data points across 21 retailers

20 retailers€1,521 EUR to €9,397 EUR

A
Cheapest Retailer
-
€1,521 EUR
$1,706 USD
A
Retailer 2
-
€1,655 EUR
$1,856 USD
View
A
Retailer 3
-
€1,764 EUR
$1,979 USD
View
Retailer 4
-
€1,764 EUR
$1,979 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
€1,917 EUR
$2,150 USD
View
A
Retailer 6
-
€2,295 EUR
$2,574 USD
View
A
Retailer 7
-
€2,480 EUR
£2,191 GBP
View
A
Retailer 8
-
€2,731 EUR
ZAR 49,491 ZAR
View
B+
Retailer 9
-
€2,771 EUR
$3,108 USD
View
A
Retailer 10
-
€2,867 EUR
View
A
Retailer 11
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€3,042 EUR
$3,412 USD
View
A
Retailer 12
-
€3,269 EUR
A$5,641 AUD
View
A
Retailer 13
-
€3,307 EUR
$3,709 USD
View
B+
Retailer 14
-
€3,655 EUR
£3,228 GBP
View
B+
Retailer 15
-
€4,755 EUR
$5,333 USD
View
Retailer 16
-
€5,086 EUR
$5,705 USD
View
Price last confirmed 12 days ago
Retailer 17
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€5,100 EUR
$5,720 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
€6,190 EUR
$6,943 USD
View
B
Retailer 19
-
€6,537 EUR
$7,332 USD
View
Most Expensive
B
Brilliant Earth
9243981A · Nov 2
€9,397 EUR
$10,540 USD
View
19 more retailers have this diamond
Prices start from €1,521 EURSave up to €7,876 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
11.23ct Radiant
€1,521 EUR