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Round|Lab Grown|IGI

6.59ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG614315706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614315706

Diamond specifications and retailer prices

From $1,658 NZD
$933 USD
As of November 1, 2026
Save $9,841 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,499 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.59ct lab-grown round diamond

This 6.59ct lab-grown round 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 LG614315706 or 614315706. Listed at 20 retailers as of October 31, 2026, with prices from $1,658 to $11,499, a $9,841 spread on the same certified stone. Brilliant Earth lists it at $11,499. 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

6.59
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614315706
Dimensions12.08 × 12.11 × 7.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.08 mm12.11 mm6.59 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614315706
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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 1
Current: $11,499 NZD|Low: $1,658 NZD|High: $11,499 NZD|Avg: $4,010 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
November 2, 2026
Retailer 6$1,658 NZD
Retailer 19$1,804 NZD
Retailer 9$1,856 NZD
Retailer 4$1,923 NZD
Retailer 21$1,923 NZD
Retailer 16$2,239 NZD
Retailer 3$2,531 NZD
Retailer 7$2,790 NZD
Retailer 13$2,954 NZD
Retailer 10$3,084 NZD
Retailer 2$3,187 NZD
Retailer 15$3,565 NZD
Retailer 18$3,722 NZD
Retailer 20$4,280 NZD
Retailer 8$5,008 NZD
Retailer 5$5,408 NZD
Retailer 11$5,987 NZD
Retailer 12$6,018 NZD
Retailer 17$6,559 NZD
Retailer 14$6,691 NZD
Brilliant Earth$11,499 NZD

37 data points across 21 retailers

20 retailers$1,658 NZD to $11,499 NZD

A
Cheapest Retailer
-
$1,658 NZD
$933 USD
A
Retailer 2
-
$1,804 NZD
$1,015 USD
View
A
Retailer 3
-
$1,923 NZD
$1,082 USD
View
Retailer 4
-
$1,923 NZD
$1,082 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$2,239 NZD
$1,260 USD
View
Retailer 6
-
$2,531 NZD
£1,121 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$2,790 NZD
$1,570 USD
View
A
Retailer 8
-
$2,954 NZD
£1,309 GBP
View
B+
Retailer 9
-
$3,084 NZD
$1,735 USD
View
A
Retailer 10
-
$3,187 NZD
€1,708 EUR
View
B+
Retailer 11
-
$3,565 NZD
A$3,086 AUD
View
B+
Retailer 12
-
$3,722 NZD
ZAR 33,836 ZAR
View
B+
Retailer 13
-
$4,280 NZD
$2,408 USD
View
B+
Retailer 14
-
$5,008 NZD
$2,818 USD
View
B+
Retailer 15
-
$5,408 NZD
$3,043 USD
View
Retailer 16
-
$5,987 NZD
$3,369 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$6,018 NZD
$3,386 USD
View
B
Retailer 18
-
$6,559 NZD
£2,906 GBP
View
B
Retailer 19
-
$6,691 NZD
$3,765 USD
View
Most Expensive
B
Brilliant Earth
8850644A · Oct 31
$11,499 NZD
$6,470 USD
View
19 more retailers have this diamond
Prices start from $1,658 NZDSave up to $9,841 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
6.59ct Round
$1,658 NZD