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Radiant|Lab Grown|IGI

6.16ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG600315430

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

Certificate IGI LG600315430

Diamond specifications and retailer prices

From $1,388 NZD
$781 USD
As of November 2, 2026
Save $8,636 NZD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,024 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.16ct lab-grown radiant diamond

This 6.16ct 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 LG600315430 or 600315430. Listed at 19 retailers as of November 2, 2026, with prices from $1,388 to $10,024, a $8,636 spread on the same certified stone. Brilliant Earth lists it at $10,024. 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

6.16
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600315430
Dimensions12.90 × 9.08 × 6.12 mm
L/W Ratio1.42
Culet sizePointed
Top View
12.90 mm9.08 mm6.16 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600315430
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $10,024 NZD|Low: $1,372 NZD|High: $10,024 NZD|Avg: $3,543 NZD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 4$1,388 NZD
Retailer 20$1,511 NZD
Retailer 10$1,553 NZD
Retailer 6$1,610 NZD
Retailer 22$1,610 NZD
Retailer 3$1,733 NZD
Retailer 19$1,919 NZD
Retailer 2$2,469 NZD
Retailer 8$2,492 NZD
Retailer 11$2,602 NZD
Retailer 17$2,646 NZD
Retailer 18$2,984 NZD
Retailer 13$3,115 NZD
Retailer 21$3,830 NZD
Retailer 9$4,107 NZD
Retailer 5$4,529 NZD
Retailer 12$5,165 NZD
Retailer 14$5,444 NZD
Retailer 15$5,565 NZD
Retailer 16$6,036 NZD
Retailer 7$7,278 NZD
Brilliant Earth$10,024 NZD

36 data points across 22 retailers

19 retailers$1,388 NZD to $10,024 NZD

A
Cheapest Retailer
-
$1,388 NZD
$781 USD
A
Retailer 2
-
$1,511 NZD
$850 USD
View
A
Retailer 3
-
$1,610 NZD
$906 USD
View
Retailer 4
-
$1,610 NZD
$906 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,919 NZD
$1,080 USD
View
A
Retailer 6
-
$2,469 NZD
£1,094 GBP
View
A
Retailer 7
-
$2,492 NZD
$1,402 USD
View
B+
Retailer 8
-
$2,602 NZD
$1,464 USD
View
A
Retailer 9
-
$2,646 NZD
€1,418 EUR
View
A
Retailer 10
-
$2,984 NZD
A$2,583 AUD
View
A
Retailer 11
-
$3,115 NZD
ZAR 28,311 ZAR
View
B+
Retailer 12
-
$3,830 NZD
$2,155 USD
View
B+
Retailer 13
-
$4,107 NZD
$2,311 USD
View
B+
Retailer 14
-
$4,529 NZD
$2,548 USD
View
Retailer 15
-
$5,165 NZD
$2,906 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
$5,444 NZD
$3,063 USD
View
B+
Retailer 17
-
$5,565 NZD
$3,131 USD
View
B+
Retailer 18
-
$6,036 NZD
£2,674 GBP
View
Most Expensive
B
Brilliant Earth
8229660A · Nov 2
$10,024 NZD
$5,640 USD
View
18 more retailers have this diamond
Prices start from $1,388 NZDSave up to $8,636 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
6.16ct Radiant
$1,388 NZD