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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 $1,957 NZD
$1,103 USD
As of October 29, 2026
Save $1,026 NZD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $13,644 NZD 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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Price History

Last verified: Oct 29
Current: $13,644 NZD|Low: $1,957 NZD|High: $26,544 NZD|Avg: $11,730 NZD|-48.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$1,957 NZD
Retailer 2$2,983 NZD
Retailer 4$10,522 NZD
Brilliant Earth$13,644 NZD

30 data points across 4 retailers

4 retailers$1,957 NZD to $2,983 NZD

A
Cheapest Retailer
-
$1,957 NZD
$1,103 USD
Final sale: no returns
A
Retailer 2
-
$2,983 NZD
£1,324 GBP
View
Retailer 3
-
$10,522 NZD
$5,930 USD
View
Price last confirmed 23 days ago
Most Expensive
Brilliant Earth
21542083A · Oct 30
$13,644 NZD
$7,690 USD
View
Price under review
3 more retailers have this diamond
Prices start from $1,957 NZDSave up to $1,026 NZD

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
$1,957 NZD