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Round|Lab Grown|IGI

6.58ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG615367411

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615367411

Diamond specifications and retailer prices

From $1,656 NZD
$932 USD
As of November 1, 2026
Save $9,825 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,481 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.58ct lab-grown round diamond

This 6.58ct 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 LG615367411 or 615367411. Listed at 20 retailers as of October 31, 2026, with prices from $1,656 to $11,481, a $9,825 spread on the same certified stone. Brilliant Earth lists it at $11,481. 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

6.58
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615367411
Dimensions12.00 × 11.91 × 7.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.00 mm11.91 mm6.58 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615367411
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $11,481 NZD|Low: $1,656 NZD|High: $11,481 NZD|Avg: $4,051 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 4$1,656 NZD
Retailer 20$1,802 NZD
Retailer 8$1,854 NZD
Retailer 3$1,921 NZD
Retailer 11$1,921 NZD
Retailer 16$2,231 NZD
Retailer 13$2,514 NZD
Retailer 6$2,787 NZD
Retailer 2$2,949 NZD
Retailer 9$3,077 NZD
Retailer 19$3,176 NZD
Retailer 15$3,559 NZD
Retailer 18$3,717 NZD
Retailer 21$4,274 NZD
Retailer 7$4,996 NZD
Retailer 5$5,401 NZD
Retailer 10$5,980 NZD
Retailer 12$6,009 NZD
Retailer 17$6,550 NZD
Retailer 14$6,681 NZD
Brilliant Earth$11,481 NZD

35 data points across 21 retailers

20 retailers$1,656 NZD to $11,481 NZD

A
Cheapest Retailer
-
$1,656 NZD
$932 USD
A
Retailer 2
-
$1,802 NZD
$1,014 USD
View
A
Retailer 3
-
$1,921 NZD
$1,081 USD
View
Retailer 4
-
$1,921 NZD
$1,081 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$2,231 NZD
$1,255 USD
View
A
Retailer 6
-
$2,514 NZD
£1,114 GBP
View
A
Retailer 7
-
$2,787 NZD
$1,568 USD
View
A
Retailer 8
-
$2,949 NZD
£1,307 GBP
View
B+
Retailer 9
-
$3,077 NZD
$1,731 USD
View
A
Retailer 10
-
$3,176 NZD
€1,702 EUR
View
B+
Retailer 11
-
$3,559 NZD
A$3,081 AUD
View
B+
Retailer 12
-
$3,717 NZD
ZAR 33,787 ZAR
View
B+
Retailer 13
-
$4,274 NZD
$2,405 USD
View
B+
Retailer 14
-
$4,996 NZD
$2,811 USD
View
B+
Retailer 15
-
$5,401 NZD
$3,039 USD
View
Retailer 16
-
$5,980 NZD
$3,365 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$6,009 NZD
$3,381 USD
View
B
Retailer 18
-
$6,550 NZD
£2,902 GBP
View
B
Retailer 19
-
$6,681 NZD
$3,759 USD
View
Most Expensive
B
Brilliant Earth
8917783A · Oct 31
$11,481 NZD
$6,460 USD
View
19 more retailers have this diamond
Prices start from $1,656 NZDSave up to $9,825 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
6.58ct Round
$1,656 NZD