Round|Lab Grown|IGI

8.17ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG598307419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598307419

Diamond specifications and retailer prices

From $2,237 NZD
$1,261 USD
As of November 1, 2026
Save $16,127 NZD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,364 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.17ct lab-grown round diamond

This 8.17ct 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 LG598307419 or 598307419. Listed at 13 retailers as of October 31, 2026, with prices from $2,237 to $18,364, a $16,127 spread on the same certified stone. Brilliant Earth lists it at $18,364. 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

8.17
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598307419
Dimensions13.19 × 13.26 × 7.61 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
13.19 mm13.26 mm8.17 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598307419
Side View
Table 62.0%Crown 32.7°GirdlePavilion 40.1°Culet: NoneDepth 57.5%

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: $18,364 NZD|Low: $2,149 NZD|High: $23,314 NZD|Avg: $6,809 NZD|-21.2%
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
October 31, 2026
Retailer 14$2,237 NZD
Retailer 3$2,434 NZD
Retailer 17$2,505 NZD
Retailer 5$3,180 NZD
Retailer 11$3,948 NZD
Retailer 15$4,111 NZD
Retailer 13$4,116 NZD
Retailer 2$4,809 NZD
Retailer 9$4,824 NZD
Retailer 4$4,839 NZD
Retailer 16$4,865 NZD
Retailer 12$8,385 NZD
Retailer 6$8,528 NZD
Retailer 18$9,205 NZD
Retailer 10$9,416 NZD
Retailer 7$10,676 NZD
Retailer 8$12,023 NZD
Brilliant Earth$18,364 NZD

22 data points across 18 retailers

13 retailers$2,237 NZD to $18,364 NZD

A
Cheapest Retailer
-
$2,237 NZD
$1,261 USD
A
Retailer 2
-
$2,434 NZD
$1,372 USD
View
A
Retailer 3
-
$2,505 NZD
$1,412 USD
View
Final sale: no returns
A
Retailer 4
-
$3,180 NZD
HK$14,000 HKD
View
A
Retailer 5
-
$3,948 NZD
€2,119 EUR
View
B+
Retailer 6
-
$4,111 NZD
$2,317 USD
View
B+
Retailer 7
-
$4,116 NZD
$2,320 USD
View
B+
Retailer 8
-
$4,809 NZD
A$4,170 AUD
View
B+
Retailer 9
-
$4,839 NZD
$2,727 USD
View
B+
Retailer 10
-
$4,865 NZD
$2,742 USD
View
B
Retailer 11
-
$8,385 NZD
£3,721 GBP
View
B
Retailer 12
-
$9,205 NZD
SGD 7,011 SGD
View
Most Expensive
B
Brilliant Earth
15434591A · Oct 31
$18,364 NZD
$10,350 USD
View
12 more retailers have this diamond
Prices start from $2,237 NZDSave up to $16,127 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
8.17ct Round
$2,237 NZD