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Round|Lab Grown|IGI

8.12ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG618403850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618403850

Diamond specifications and retailer prices

From $2,774 NZD
$1,561 USD
As of November 1, 2026
Save $6,466 NZD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,366 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.12ct lab-grown round diamond

This 8.12ct 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 LG618403850 or 618403850. Listed at 11 retailers as of October 29, 2026, with a 233% 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

8.12
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618403850
Dimensions12.73 × 12.79 × 7.94 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
12.73 mm12.79 mm8.12 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618403850
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.3%

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: $28,366 NZD|Low: $2,664 NZD|High: $29,237 NZD|Avg: $7,760 NZD|-3.0%
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
November 2, 2026
Retailer 14$2,774 NZD
Retailer 18$3,018 NZD
Retailer 17$3,107 NZD
Retailer 3$3,890 NZD
Retailer 2$4,917 NZD
Retailer 15$5,067 NZD
Retailer 12$5,074 NZD
Retailer 10$5,221 NZD
Retailer 7$5,252 NZD
Retailer 13$5,691 NZD
Retailer 16$6,032 NZD
Retailer 8$6,848 NZD
Retailer 4$7,449 NZD
Retailer 11$9,241 NZD
Retailer 6$10,468 NZD
Retailer 9$11,792 NZD
Retailer 5$13,253 NZD
Brilliant Earth$28,366 NZD

27 data points across 18 retailers

11 retailers$2,774 NZD to $9,241 NZD

A
Cheapest Retailer
-
$2,774 NZD
$1,561 USD
A
Retailer 2
-
$3,018 NZD
$1,698 USD
View
A
Retailer 3
-
$3,107 NZD
$1,748 USD
View
Final sale: no returns
A
Retailer 4
-
$3,890 NZD
HK$17,100 HKD
View
B+
Retailer 5
-
$4,917 NZD
€2,635 EUR
View
B+
Retailer 6
-
$5,067 NZD
$2,851 USD
View
B+
Retailer 7
-
$5,074 NZD
$2,855 USD
View
B+
Retailer 8
-
$5,691 NZD
$3,202 USD
View
B+
Retailer 9
-
$6,032 NZD
$3,394 USD
View
B
Retailer 10
-
$9,241 NZD
£4,094 GBP
View
Most Expensive
Brilliant Earth
15434554A · Nov 2
$28,366 NZD
$15,960 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,774 NZDSave up to $6,466 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
8.12ct Round
$2,774 NZD