CaratHunter
Plans
Round|Lab Grown|IGI

8.18ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG717508874

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717508874

Diamond specifications and retailer prices

From $2,634 NZD
$1,482 USD
As of November 1, 2026
Save $20,556 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $28,348 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.18ct lab-grown round diamond

This 8.18ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717508874 or 717508874. Listed at 16 retailers as of November 1, 2026, with a 780% 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

8.18
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717508874
Dimensions12.97 × 12.92 × 7.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.97 mm12.92 mm8.18 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717508874
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.7%

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: $28,348 NZD|Low: $2,527 NZD|High: $28,348 NZD|Avg: $7,943 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
November 2, 2026
Retailer 8$2,634 NZD
Retailer 12$2,865 NZD
Retailer 4$2,949 NZD
Retailer 9$3,055 NZD
Retailer 6$3,359 NZD
Retailer 11$3,931 NZD
Retailer 2$4,760 NZD
Retailer 3$6,320 NZD
Retailer 10$7,175 NZD
Retailer 7$9,980 NZD
Retailer 5$23,190 NZD
Brilliant Earth$28,348 NZD

44 data points across 12 retailers

16 retailers$2,634 NZD to $23,190 NZD

A
Cheapest Retailer
-
$2,634 NZD
$1,482 USD
A
Retailer 2
-
$2,865 NZD
$1,612 USD
View
A
Retailer 3
-
$2,949 NZD
$1,659 USD
View
Final sale: no returns
A
Retailer 4
-
$3,055 NZD
$1,719 USD
View
Retailer 5
-
$3,055 NZD
$1,719 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$3,359 NZD
$1,890 USD
View
A
Retailer 7
-
$3,931 NZD
$2,212 USD
View
B+
Retailer 8
-
$4,760 NZD
£2,109 GBP
View
B+
Retailer 9
-
$6,269 NZD
$3,527 USD
View
B+
Retailer 10
-
$6,320 NZD
$3,556 USD
View
B+
Retailer 11
-
$7,175 NZD
$4,037 USD
View
B
Retailer 12
-
$8,510 NZD
$4,788 USD
View
Retailer 13
-
$9,980 NZD
$5,615 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$18,111 NZD
$10,190 USD
View
B
Retailer 15
-
$23,190 NZD
$13,048 USD
View
Most Expensive
Brilliant Earth
20509628A · Nov 2
$28,348 NZD
$15,950 USD
View
Price under review
15 more retailers have this diamond
Prices start from $2,634 NZDSave up to $20,556 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
8.18ct Round
$2,634 NZD