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Radiant|Lab Grown|IGI

6.15ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG851650216

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

Certificate IGI LG851650216

Diamond specifications and retailer prices

From $6,009 NZD
£2,662 GBP
As of November 3, 2026
Save $1,883 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,891 NZD at With Clarity · As of November 3, 2026
View at With Clarity

About this 6.15ct lab-grown radiant diamond

This 6.15ct 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 LG851650216 or 851650216. Listed at 2 retailers as of November 3, 2026, with prices from $6,009 to $7,891, a $1,883 spread on the same certified stone. With Clarity lists it at $7,891. 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

6.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851650216
Dimensions13.09 × 9.06 × 6.05 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.09 mm9.06 mm6.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851650216
Side View
Table 64.0%Crown 42.8°Girdle: Slightly ThickPavilion 35.1°CuletDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $6,009 NZD|Low: $6,009 NZD|High: $7,891 NZD|Avg: $7,264 NZD
Retailer 1
With Clarity
November 3, 2026
Retailer 1$6,009 NZD
With Clarity$7,891 NZD

2 data points across 2 retailers

2 retailers$6,009 NZD to $7,891 NZD

B
Cheapest Retailer
-
$6,009 NZD
£2,662 GBP
Most Expensive
B
With Clarity
851650216 · Nov 3
$7,891 NZD
$4,440 USD
View
1 more retailer has this diamond
Prices start from $6,009 NZDSave up to $1,883 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.

B
6.15ct Radiant
$6,009 NZD