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8.15ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG597360518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG597360518

Diamond specifications and retailer prices

From $2,232 NZD
$1,258 USD
As of November 1, 2026
Save $13,825 NZD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,057 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.15ct lab-grown round diamond

This 8.15ct 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 LG597360518 or 597360518. Listed at 20 retailers as of October 31, 2026, with prices from $2,232 to $16,057, a $13,825 spread on the same certified stone. Brilliant Earth lists it at $16,057. 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

8.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597360518
Dimensions12.96 × 12.89 × 7.95 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
12.96 mm12.89 mm8.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597360518
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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: $16,057 NZD|Low: $2,232 NZD|High: $18,151 NZD|Avg: $5,304 NZD|-4.8%
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 1, 2026
Retailer 4$2,232 NZD
Retailer 19$2,429 NZD
Retailer 8$2,498 NZD
Retailer 11$2,589 NZD
Retailer 21$2,589 NZD
Retailer 17$2,892 NZD
Retailer 20$3,407 NZD
Retailer 5$3,499 NZD
Retailer 13$3,634 NZD
Retailer 9$4,100 NZD
Retailer 16$4,248 NZD
Retailer 18$4,342 NZD
Retailer 15$4,798 NZD
Retailer 6$4,826 NZD
Retailer 3$4,853 NZD
Retailer 12$7,431 NZD
Retailer 7$7,525 NZD
Retailer 10$7,731 NZD
Retailer 2$8,319 NZD
Retailer 14$9,084 NZD
Brilliant Earth$16,057 NZD

37 data points across 21 retailers

20 retailers$2,232 NZD to $16,057 NZD

A
Cheapest Retailer
-
$2,232 NZD
$1,258 USD
A
Retailer 2
-
$2,429 NZD
$1,369 USD
View
A
Retailer 3
-
$2,589 NZD
$1,459 USD
View
Retailer 4
-
$2,589 NZD
$1,459 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,892 NZD
$1,630 USD
View
Retailer 6
-
$3,407 NZD
£1,512 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$3,499 NZD
$1,972 USD
View
A
Retailer 8
-
$3,634 NZD
£1,613 GBP
View
B+
Retailer 9
-
$4,100 NZD
$2,311 USD
View
A
Retailer 10
-
$4,248 NZD
€2,280 EUR
View
A
Retailer 11
-
$4,342 NZD
ZAR 39,538 ZAR
View
B+
Retailer 12
-
$4,798 NZD
A$4,160 AUD
View
B+
Retailer 13
-
$4,826 NZD
$2,720 USD
View
B+
Retailer 14
-
$4,853 NZD
$2,735 USD
View
B+
Retailer 15
-
$7,431 NZD
$4,188 USD
View
B
Retailer 16
-
$7,525 NZD
$4,241 USD
View
Retailer 17
-
$7,731 NZD
$4,357 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$8,319 NZD
£3,692 GBP
View
B
Retailer 19
-
$9,084 NZD
$5,120 USD
View
Most Expensive
B
Brilliant Earth
8131894A · Oct 31
$16,057 NZD
$9,050 USD
View
19 more retailers have this diamond
Prices start from $2,232 NZDSave up to $13,825 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
8.15ct Round
$2,232 NZD