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Radiant|Lab Grown|IGI

6.79ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG591346727

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

Certificate IGI LG591346727

Diamond specifications and retailer prices

From $2,227 NZD
$1,255 USD
As of October 31, 2026
Save $8,224 NZD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,451 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.79ct lab-grown radiant diamond

This 6.79ct 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 LG591346727 or 591346727. Listed at 12 retailers as of October 31, 2026, with prices from $2,227 to $10,451, a $8,224 spread on the same certified stone. Brilliant Earth lists it at $10,451. 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

6.79
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591346727
Dimensions10.63 × 10.47 × 7.02 mm
L/W Ratio1.02
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
10.63 mm10.47 mm6.79 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591346727
Side View
Table 63.0%Crown 43.6°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,451 NZD|Low: $1,334 NZD|High: $10,770 NZD|Avg: $4,903 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$1,845 NZD
Retailer 4$2,193 NZD
Retailer 7$2,227 NZD
Retailer 10$2,793 NZD
Retailer 13$3,066 NZD
Retailer 6$3,132 NZD
Retailer 8$3,703 NZD
Retailer 11$5,273 NZD
Retailer 9$5,986 NZD
Retailer 2$6,490 NZD
Retailer 12$6,656 NZD
Retailer 5$6,690 NZD
Brilliant Earth$10,451 NZD

31 data points across 13 retailers

12 retailers$2,227 NZD to $10,451 NZD

Retailer 1
-
$2,193 NZD
$1,236 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$2,227 NZD
$1,255 USD
View
A
Retailer 3
-
$2,793 NZD
$1,574 USD
View
B+
Retailer 4
-
$3,066 NZD
$1,728 USD
View
A
Retailer 5
-
$3,132 NZD
€1,681 EUR
View
A
Retailer 6
-
$3,703 NZD
ZAR 33,718 ZAR
View
B+
Retailer 7
-
$5,273 NZD
£2,340 GBP
View
B+
Retailer 8
-
$5,986 NZD
$3,374 USD
View
B+
Retailer 9
-
$6,490 NZD
£2,880 GBP
View
B+
Retailer 10
-
$6,656 NZD
$3,751 USD
View
Retailer 11
-
$6,690 NZD
$3,770 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
7854881A · Oct 31
$10,451 NZD
$5,890 USD
View
11 more retailers have this diamond
Prices start from $2,227 NZDSave up to $8,224 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
6.79ct Radiant
$2,227 NZD