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Radiant|Lab Grown|IGI

6.34ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG840655136

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

Certificate IGI LG840655136

Diamond specifications and retailer prices

From $1,322 NZD
$744 USD
As of November 1, 2026
Save $8,435 NZD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,757 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 6.34ct lab-grown radiant diamond

This 6.34ct 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 LG840655136 or 840655136. Listed at 3 retailers as of October 28, 2026, with prices from $1,322 to $9,757, a $8,435 spread on the same certified stone. Brilliant Earth lists it at $9,757. 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

6.34
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655136
Dimensions12.58 × 9.29 × 6.30 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.58 mm9.29 mm6.34 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655136
Side View
Table 67.0%Crown 46.7°Girdle: Slightly ThickPavilion 42.3°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $9,757 NZD|Low: $1,322 NZD|High: $9,757 NZD|Avg: $5,271 NZD
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 2$1,322 NZD
Retailer 3$2,265 NZD
Brilliant Earth$9,757 NZD

16 data points across 3 retailers

3 retailers$1,322 NZD to $9,757 NZD

A
Cheapest Retailer
-
$1,322 NZD
$744 USD
Final sale: no returns
A
Retailer 2
-
$2,265 NZD
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
21612575A · Oct 28
$9,757 NZD
$5,490 USD
View
2 more retailers have this diamond
Prices start from $1,322 NZDSave up to $8,435 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
6.34ct Radiant
$1,322 NZD