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Round|Lab Grown|IGI

8.56ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG614320463

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614320463

Diamond specifications and retailer prices

From $3,142 NZD
$1,768 USD
As of November 1, 2026
Save $8,295 NZD (73%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $29,343 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.56ct lab-grown round diamond

This 8.56ct 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 LG614320463 or 614320463. Listed at 21 retailers as of October 31, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.56
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614320463
Dimensions12.95 × 13.01 × 8.12 mm
L/W Ratio1.00
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
12.95 mm13.01 mm8.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614320463
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

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: $29,343 NZD|Low: $2,694 NZD|High: $29,361 NZD|Avg: $6,708 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
November 2, 2026
Retailer 17$2,806 NZD
Retailer 7$3,142 NZD
Retailer 3$3,256 NZD
Retailer 9$3,256 NZD
Retailer 6$3,555 NZD
Retailer 10$4,261 NZD
Retailer 12$4,594 NZD
Retailer 5$5,122 NZD
Retailer 11$5,143 NZD
Retailer 2$5,165 NZD
Retailer 14$5,460 NZD
Retailer 13$6,032 NZD
Retailer 15$8,423 NZD
Retailer 4$8,775 NZD
Retailer 16$9,347 NZD
Retailer 8$9,481 NZD
Brilliant Earth$29,343 NZD

39 data points across 17 retailers

21 retailers$3,142 NZD to $11,438 NZD

A
Cheapest Retailer
-
$3,142 NZD
$1,768 USD
Final sale: no returns
Retailer 2
-
$3,256 NZD
$1,832 USD
View
Price last confirmed 21 days ago
Retailer 3
-
$3,256 NZD
$1,832 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$3,555 NZD
$2,000 USD
View
A
Retailer 5
-
$4,143 NZD
$2,331 USD
View
A
Retailer 6
-
$4,261 NZD
£1,888 GBP
View
A
Retailer 7
-
$4,594 NZD
£2,035 GBP
View
B+
Retailer 8
-
$5,122 NZD
$2,882 USD
View
B+
Retailer 9
-
$5,143 NZD
€2,756 EUR
View
B+
Retailer 10
-
$5,165 NZD
$2,906 USD
View
B+
Retailer 11
-
$5,460 NZD
ZAR 49,628 ZAR
View
B+
Retailer 12
-
$6,032 NZD
A$5,221 AUD
View
Retailer 13
-
$6,101 NZD
$3,433 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$7,855 NZD
£3,480 GBP
View
B
Retailer 15
-
$8,423 NZD
$4,739 USD
View
B
Retailer 16
-
$8,775 NZD
$4,937 USD
View
Retailer 17
-
$9,347 NZD
£4,141 GBP
View
Price last confirmed 12 days ago
B
Retailer 18
-
$9,481 NZD
$5,334 USD
View
Retailer 19
-
$10,922 NZD
$6,145 USD
View
Price last confirmed 44 days ago
B
Retailer 20
-
$11,438 NZD
$6,435 USD
View
Most Expensive
Brilliant Earth
20601799A · Nov 2
$29,343 NZD
$16,510 USD
View
Price under review
20 more retailers have this diamond
Prices start from $3,142 NZDSave up to $8,295 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
8.56ct Round
$3,142 NZD