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Radiant|Lab Grown|IGI

6.23ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG839603695

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

Certificate IGI LG839603695

Diamond specifications and retailer prices

From $1,936 NZD
$1,091 USD
As of October 29, 2026
Save $990 NZD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,406 NZD at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 6.23ct lab-grown radiant diamond

This 6.23ct 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 LG839603695 or 839603695. Listed at 3 retailers as of October 29, 2026, with a 51% 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

6.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603695
Dimensions12.83 × 9.18 × 6.13 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.83 mm9.18 mm6.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603695
Side View
Table 67.0%Crown 46°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $10,406 NZD|Low: $1,936 NZD|High: $10,406 NZD|Avg: $5,377 NZD
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$1,936 NZD
Retailer 2$2,925 NZD
Rare Carat$10,406 NZD

31 data points across 3 retailers

3 retailers$1,936 NZD to $2,925 NZD

A
Cheapest Retailer
-
$1,936 NZD
$1,091 USD
Final sale: no returns
A
Retailer 2
-
$2,925 NZD
£1,298 GBP
View
Most Expensive
Rare Carat
839603695 · Oct 7
$10,406 NZD
$5,865 USD
View
Price last confirmed 23 days ago
2 more retailers have this diamond
Prices start from $1,936 NZDSave up to $990 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
6.23ct Radiant
$1,936 NZD