CaratHunter
Plans
Round|Lab Grown|IGI

8.46ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG615378680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615378680

Diamond specifications and retailer prices

From $3,572 NZD
HK$15,700 HKD
As of November 1, 2026
Save $13,541 NZD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $17,113 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 8.46ct lab-grown round diamond

This 8.46ct 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 LG615378680 or 615378680. Listed at 21 retailers as of October 31, 2026, with prices from $3,572 to $17,113, a $13,541 spread on the same certified stone. Taylor and Hart lists it at $17,113. 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

8.46
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615378680
Dimensions13.06 × 13.13 × 8.04 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
13.06 mm13.13 mm8.46 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615378680
Side View
Table 56.0%Crown 33.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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 1
Current: $6,415 NZD|Low: $4,056 NZD|High: $14,144 NZD|Avg: $7,934 NZD|-1.2%
Retailer 1
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
November 2, 2026
Retailer 15$4,225 NZD
Retailer 4$4,729 NZD
Retailer 6$4,902 NZD
Retailer 16$4,902 NZD
Retailer 13$5,190 NZD
Retailer 8$5,582 NZD
Retailer 1$6,415 NZD
Retailer 9$6,723 NZD
Retailer 14$7,349 NZD
Retailer 3$7,646 NZD
Retailer 12$8,220 NZD
Retailer 11$9,081 NZD
Retailer 7$10,316 NZD
Retailer 2$13,088 NZD
Retailer 10$13,123 NZD
Retailer 5$13,797 NZD

41 data points across 16 retailers

21 retailers$3,572 NZD to $17,113 NZD

A
Cheapest Retailer
-
$3,572 NZD
HK$15,700 HKD
A
Retailer 2
-
$4,225 NZD
$2,377 USD
View
A
Retailer 3
-
$4,598 NZD
$2,587 USD
View
B+
Retailer 4
-
$4,729 NZD
$2,661 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,902 NZD
$2,758 USD
View
Retailer 6
-
$4,902 NZD
$2,758 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$5,190 NZD
$2,920 USD
View
B+
Retailer 8
-
$5,582 NZD
$3,141 USD
View
B+
Retailer 9
-
$6,415 NZD
£2,842 GBP
View
B+
Retailer 10
-
$6,723 NZD
£2,979 GBP
View
B+
Retailer 11
-
$6,738 NZD
$3,791 USD
View
B+
Retailer 12
-
$7,349 NZD
$4,135 USD
View
B
Retailer 13
-
$7,646 NZD
$4,302 USD
View
B+
Retailer 14
-
$8,220 NZD
ZAR 74,718 ZAR
View
B
Retailer 15
-
$8,718 NZD
$4,905 USD
View
B
Retailer 16
-
$9,081 NZD
A$7,861 AUD
View
B
Retailer 17
-
$10,316 NZD
SGD 7,844 SGD
View
B
Retailer 18
-
$13,088 NZD
$7,364 USD
View
B
Retailer 19
-
$13,123 NZD
£5,814 GBP
View
B
Retailer 20
-
$13,797 NZD
$7,763 USD
View
Most Expensive
B
Taylor and Hart
HZB308U · Oct 31
$17,113 NZD
$9,629 USD
View
20 more retailers have this diamond
Prices start from $3,572 NZDSave up to $13,541 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
8.46ct Round
$3,572 NZD