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Radiant|Lab Grown|IGI

12.46ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG746526334

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG746526334

Diamond specifications and retailer prices

From $4,285 NZD
$2,411 USD
As of November 2, 2026
Save $25,183 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $41,980 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.46ct lab-grown radiant diamond

This 12.46ct lab-grown radiant 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 LG746526334 or 746526334. Listed at 17 retailers as of November 2, 2026, with a 588% 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

12.46
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746526334
Dimensions16.50 × 11.44 × 7.55 mm
L/W Ratio1.44
Culet sizePointed
Top View
16.50 mm11.44 mm12.46 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746526334
Side View
Table 63.0%Crown 46.8°Girdle: MediumPavilion 34.1°Culet: NoneDepth 66.0%

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 2
Current: $4,406 NZD|Low: $3,857 NZD|High: $29,468 NZD|Avg: $10,019 NZD|-0.1%
Retailer 1
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
November 2, 2026
Retailer 3$4,285 NZD
Retailer 1$4,406 NZD
Retailer 18$4,662 NZD
Retailer 9$5,317 NZD
Retailer 2$5,339 NZD
Retailer 15$5,936 NZD
Retailer 4$6,978 NZD
Retailer 7$7,032 NZD
Retailer 5$7,131 NZD
Retailer 10$7,367 NZD
Retailer 6$7,450 NZD
Retailer 16$7,539 NZD
Retailer 14$8,297 NZD
Retailer 12$10,164 NZD
Retailer 11$12,475 NZD
Retailer 17$13,989 NZD
Retailer 13$16,380 NZD
Retailer 8$24,802 NZD
Retailer 19$29,468 NZD

12 data points across 19 retailers

17 retailers$4,285 NZD to $29,468 NZD

A
Cheapest Retailer
-
$4,285 NZD
$2,411 USD
A
Retailer 2
-
$4,406 NZD
£1,952 GBP
View
A
Retailer 3
-
$4,662 NZD
$2,623 USD
View
A
Retailer 4
-
$5,339 NZD
$3,004 USD
View
A
Retailer 5
-
$5,936 NZD
$3,340 USD
View
A
Retailer 6
-
$6,978 NZD
$3,926 USD
View
A
Retailer 7
-
$7,032 NZD
CA$5,495 CAD
View
A
Retailer 8
-
$7,131 NZD
$4,012 USD
View
B+
Retailer 9
-
$7,450 NZD
$4,192 USD
View
B+
Retailer 10
-
$7,539 NZD
$4,242 USD
View
B+
Retailer 11
-
$8,297 NZD
€4,446 EUR
View
B+
Retailer 12
-
$10,164 NZD
A$8,798 AUD
View
B
Retailer 13
-
$13,989 NZD
$7,871 USD
View
B
Retailer 14
-
$16,380 NZD
A$14,179 AUD
View
B
Retailer 15
-
$24,802 NZD
$13,955 USD
View
B
Retailer 16
-
$29,468 NZD
$16,580 USD
View
Most Expensive
Brilliant Earth
22301404A · Nov 2
$41,980 NZD
$23,620 USD
View
Price under review
16 more retailers have this diamond
Prices start from $4,285 NZDSave up to $25,183 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
12.46ct Radiant
$4,285 NZD