Round|Lab Grown|IGI

12.26ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG619458256

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619458256

Diamond specifications and retailer prices

From $6,107 NZD
£2,710 GBP
As of November 1, 2026
Save $41,107 NZD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $47,214 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.26ct lab-grown round diamond

This 12.26ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG619458256 or 619458256. Listed at 22 retailers as of October 31, 2026, with prices from $6,107 to $47,214, a $41,107 spread on the same certified stone. Brilliant Earth lists it at $47,214. 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

12.26
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619458256
Dimensions14.72 × 14.80 × 9.13 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
14.72 mm14.80 mm12.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619458256
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: $47,214 NZD|Low: $6,105 NZD|High: $47,214 NZD|Avg: $14,023 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 10$6,107 NZD
Retailer 4$6,554 NZD
Retailer 7$7,340 NZD
Retailer 5$7,603 NZD
Retailer 13$7,878 NZD
Retailer 3$9,267 NZD
Retailer 2$9,900 NZD
Retailer 14$11,769 NZD
Retailer 6$11,785 NZD
Retailer 12$12,208 NZD
Retailer 9$14,247 NZD
Retailer 15$17,873 NZD
Retailer 16$18,242 NZD
Retailer 11$19,042 NZD
Retailer 8$21,109 NZD
Brilliant Earth$47,214 NZD

35 data points across 16 retailers

22 retailers$6,107 NZD to $47,214 NZD

A
Cheapest Retailer
-
$6,107 NZD
£2,710 GBP
Retailer 2
-
$6,554 NZD
$3,694 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$7,131 NZD
$4,019 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$7,340 NZD
$4,137 USD
View
Final sale: no returns
Retailer 5
-
$7,603 NZD
$4,285 USD
View
Price last confirmed 20 days ago
Retailer 6
-
$7,603 NZD
$4,285 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$7,878 NZD
$4,440 USD
View
A
Retailer 8
-
$8,091 NZD
$4,560 USD
View
A
Retailer 9
-
$9,267 NZD
$5,223 USD
View
Retailer 10
-
$9,501 NZD
$5,355 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$9,900 NZD
£4,393 GBP
View
B+
Retailer 12
-
$11,769 NZD
ZAR 107,154 ZAR
View
B+
Retailer 13
-
$11,785 NZD
$6,642 USD
View
B+
Retailer 14
-
$12,208 NZD
€6,553 EUR
View
Retailer 15
-
$12,724 NZD
$7,171 USD
View
Price last confirmed 54 days ago
B+
Retailer 16
-
$14,247 NZD
A$12,353 AUD
View
B
Retailer 17
-
$17,873 NZD
$10,073 USD
View
B
Retailer 18
-
$18,242 NZD
$10,281 USD
View
B+
Retailer 19
-
$19,042 NZD
A$16,511 AUD
View
B
Retailer 20
-
$21,109 NZD
$11,897 USD
View
B
Retailer 21
-
$26,847 NZD
$15,131 USD
View
Most Expensive
B
Brilliant Earth
20602440A · Oct 31
$47,214 NZD
$26,610 USD
View
21 more retailers have this diamond
Prices start from $6,107 NZDSave up to $41,107 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
12.26ct Round
$6,107 NZD