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Radiant|Lab Grown|IGI

6.30ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG839604448

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

Certificate IGI LG839604448

Diamond specifications and retailer prices

From €987 EUR
$1,103 USD
As of October 29, 2026
Save €517 EUR (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €6,883 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.3ct lab-grown radiant diamond

This 6.3ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839604448 or 839604448. Listed at 4 retailers as of October 29, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.30
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839604448
Dimensions12.95 × 9.03 × 6.06 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.95 mm9.03 mm6.30 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839604448
Side View
Table 67.0%Crown 46.4°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.1%

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: Oct 29
Current: €6,883 EUR|Low: €987 EUR|High: €13,391 EUR|Avg: €5,917 EUR|-48.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3€987 EUR
Retailer 2€1,505 EUR
Retailer 4€5,308 EUR
Brilliant Earth€6,883 EUR

30 data points across 4 retailers

4 retailers€987 EUR to €1,505 EUR

A
Cheapest Retailer
-
€987 EUR
$1,103 USD
Final sale: no returns
A
Retailer 2
-
€1,505 EUR
£1,324 GBP
View
Retailer 3
-
€5,308 EUR
$5,930 USD
View
Price last confirmed 23 days ago
Most Expensive
Brilliant Earth
21542083A · Oct 30
€6,883 EUR
$7,690 USD
View
Price under review
3 more retailers have this diamond
Prices start from €987 EURSave up to €517 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
6.30ct Radiant
€987 EUR