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Round|Lab Grown|IGI

6.80ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG597392423

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597392423

Diamond specifications and retailer prices

From $1,870 NZD
$1,054 USD
As of October 29, 2026
Save $14,524 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,395 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.8ct lab-grown round diamond

This 6.8ct 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 LG597392423 or 597392423. Listed at 12 retailers as of October 29, 2026, with prices from $1,870 to $16,395, a $14,524 spread on the same certified stone. Brilliant Earth lists it at $16,395. 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

6.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597392423
Dimensions12.10 × 12.01 × 7.51 mm
L/W Ratio1.01
Girdle conditionFaceted
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
12.10 mm12.01 mm6.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597392423
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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 29
Current: $16,395 NZD|Low: $1,496 NZD|High: $17,654 NZD|Avg: $5,574 NZD|-7.1%
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
November 1, 2026
Retailer 13$1,870 NZD
Retailer 17$2,035 NZD
Retailer 16$2,095 NZD
Retailer 4$2,703 NZD
Retailer 11$3,299 NZD
Retailer 14$3,456 NZD
Retailer 12$3,460 NZD
Retailer 10$4,020 NZD
Retailer 15$4,067 NZD
Retailer 9$4,093 NZD
Retailer 3$4,535 NZD
Retailer 5$7,281 NZD
Retailer 2$7,359 NZD
Retailer 6$7,543 NZD
Retailer 8$8,336 NZD
Retailer 7$10,224 NZD
Brilliant Earth$16,395 NZD

27 data points across 17 retailers

12 retailers$1,870 NZD to $16,395 NZD

A
Cheapest Retailer
-
$1,870 NZD
$1,054 USD
A
Retailer 2
-
$2,035 NZD
$1,147 USD
View
A
Retailer 3
-
$2,095 NZD
$1,181 USD
View
Final sale: no returns
A
Retailer 4
-
$2,703 NZD
HK$11,900 HKD
View
A
Retailer 5
-
$3,299 NZD
€1,771 EUR
View
B+
Retailer 6
-
$3,456 NZD
$1,948 USD
View
A
Retailer 7
-
$3,460 NZD
$1,950 USD
View
B+
Retailer 8
-
$4,020 NZD
A$3,486 AUD
View
B+
Retailer 9
-
$4,067 NZD
$2,292 USD
View
B+
Retailer 10
-
$4,535 NZD
$2,556 USD
View
B
Retailer 11
-
$7,359 NZD
£3,266 GBP
View
Most Expensive
B
Brilliant Earth
15433910A · Oct 31
$16,395 NZD
$9,240 USD
View
11 more retailers have this diamond
Prices start from $1,870 NZDSave up to $14,524 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
6.80ct Round
$1,870 NZD