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Radiant|Lab Grown|IGI

6.50ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG576338079

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

Certificate IGI LG576338079

Diamond specifications and retailer prices

From $4,161 NZD
$2,341 USD
As of November 1, 2026
Save $4,095 NZD (50%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $8,255 NZD at Frank Darling · As of November 3, 2026
View at Frank Darling

About this 6.5ct lab-grown radiant diamond

This 6.5ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG576338079 or 576338079. Listed at 2 retailers as of November 1, 2026, with prices from $4,161 to $8,255, a $4,095 spread on the same certified stone. Frank Darling lists it at $8,255. 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

6.50
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576338079
Dimensions13.45 × 9.02 × 6.15 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.45 mm9.02 mm6.50 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576338079
Side View
Table 66.0%Crown 42.8°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $8,255 NZD|Low: $4,161 NZD|High: $13,650 NZD|Avg: $8,775 NZD
Frank Darling
Retailer 2
Retailer 3
November 3, 2026
Retailer 2$4,161 NZD
Frank Darling$8,255 NZD
Retailer 3$13,650 NZD

2 data points across 3 retailers

2 retailers$4,161 NZD to $8,255 NZD

B+
Cheapest Retailer
-
$4,161 NZD
$2,341 USD
Most Expensive
B
Frank Darling
18943SR · Nov 3
$8,255 NZD
$4,645 USD
View
1 more retailer has this diamond
Prices start from $4,161 NZDSave up to $4,095 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+
6.50ct Radiant
$4,161 NZD