Radiant|Lab Grown|IGI

6.79ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG836608321

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

Certificate IGI LG836608321

Diamond specifications and retailer prices

From $1,686 NZD
$950 USD
As of October 30, 2026
Save $13,964 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $15,649 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 LG836608321 or 836608321. Listed at 24 retailers as of October 30, 2026, with prices from $1,686 to $15,649, a $13,964 spread on the same certified stone. Helzberg Diamonds lists it at $15,649. 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 angle43.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836608321
Dimensions13.31 × 9.69 × 6.46 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.31 mm9.69 mm6.79 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836608321
Side View
Table 67.0%Crown 43.3°Girdle: MediumPavilion 37.5°Culet: NoneDepth 66.7%

Caratlytics Score

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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 30
Current: $15,649 NZD|Low: $1,686 NZD|High: $15,649 NZD|Avg: $4,783 NZD
Helzberg Diamonds
Retailer 2
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Retailer 24
November 1, 2026
Retailer 6$1,686 NZD
Retailer 4$1,835 NZD
Retailer 15$1,888 NZD
Retailer 5$1,955 NZD
Retailer 11$1,955 NZD
Retailer 13$2,095 NZD
Retailer 21$2,262 NZD
Retailer 8$2,699 NZD
Retailer 18$3,015 NZD
Retailer 19$3,113 NZD
Retailer 9$3,130 NZD
Retailer 20$3,625 NZD
Retailer 23$3,785 NZD
Retailer 22$3,856 NZD
Retailer 14$4,975 NZD
Retailer 10$5,408 NZD
Retailer 7$5,500 NZD
Retailer 24$5,813 NZD
Retailer 16$6,562 NZD
Retailer 2$6,634 NZD
Retailer 17$6,808 NZD
Retailer 3$7,780 NZD
Retailer 12$10,433 NZD
Helzberg Diamonds$15,649 NZD

28 data points across 24 retailers

24 retailers$1,686 NZD to $15,649 NZD

A
Cheapest Retailer
-
$1,686 NZD
$950 USD
A
Retailer 2
-
$1,835 NZD
$1,034 USD
View
A
Retailer 3
-
$1,888 NZD
$1,064 USD
View
Final sale: no returns
A
Retailer 4
-
$1,955 NZD
$1,102 USD
View
Retailer 5
-
$1,955 NZD
$1,102 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,095 NZD
£930 GBP
View
A
Retailer 7
-
$2,262 NZD
$1,275 USD
View
A
Retailer 8
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$2,699 NZD
$1,521 USD
View
A
Retailer 9
-
$3,015 NZD
£1,338 GBP
View
A
Retailer 10
-
$3,113 NZD
€1,671 EUR
View
B+
Retailer 11
-
$3,130 NZD
$1,764 USD
View
A
Retailer 12
-
$3,625 NZD
A$3,143 AUD
View
A
Retailer 13
-
$3,785 NZD
ZAR 34,461 ZAR
View
A
Retailer 14
-
$3,856 NZD
$2,173 USD
View
B+
Retailer 15
-
$4,975 NZD
$2,804 USD
View
B+
Retailer 16
-
$5,408 NZD
£2,400 GBP
View
B+
Retailer 17
-
$5,500 NZD
$3,100 USD
View
B+
Retailer 18
-
$5,813 NZD
$3,276 USD
View
B+
Retailer 19
-
$6,562 NZD
SGD 4,998 SGD
View
B+
Retailer 20
-
$6,634 NZD
£2,944 GBP
View
B+
Retailer 21
-
$6,808 NZD
$3,837 USD
View
B
Retailer 22
-
$7,780 NZD
$4,385 USD
View
B
Retailer 23
-
$10,433 NZD
$5,880 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMGOJIH · Nov 1
$15,649 NZD
$8,820 USD
View
23 more retailers have this diamond
Prices start from $1,686 NZDSave up to $13,964 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
$1,686 NZD