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Radiant|Lab Grown|IGI

12.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG791645523

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG791645523

Diamond specifications and retailer prices

From $8,789 NZD
$4,945 USD
As of November 2, 2026
Save $22,491 NZD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $31,280 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.09ct lab-grown radiant diamond

This 12.09ct 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 LG791645523 or 791645523. Listed at 17 retailers as of October 31, 2026, with prices from $8,789 to $31,280, a $22,491 spread on the same certified stone. Taylor and Hart lists it at $31,280. 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

12.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle45°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791645523
Dimensions14.86 × 10.45 × 7.38 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.86 mm10.45 mm12.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791645523
Side View
Table 64.0%Crown 45°Girdle: MediumPavilion 45°Culet: LargeDepth 70.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $11,279 NZD|Low: $7,269 NZD|High: $31,280 NZD|Avg: $13,507 NZD|-44.4%
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
Taylor and Hart
November 2, 2026
Retailer 15$7,573 NZD
Retailer 13$7,936 NZD
Retailer 2$8,783 NZD
Retailer 4$8,783 NZD
Retailer 10$8,789 NZD
Retailer 3$8,871 NZD
Retailer 7$10,977 NZD
Retailer 1$11,279 NZD
Retailer 12$11,430 NZD
Retailer 6$12,351 NZD
Retailer 11$12,779 NZD
Retailer 9$13,596 NZD
Retailer 14$16,410 NZD
Retailer 8$16,573 NZD
Retailer 5$17,963 NZD
Taylor and Hart$31,280 NZD

42 data points across 16 retailers

17 retailers$8,789 NZD to $31,280 NZD

Retailer 1
-
$7,573 NZD
$4,261 USD
Price last confirmed 10 days ago
Retailer 2
-
$7,936 NZD
$4,465 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$8,783 NZD
$4,942 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$8,783 NZD
$4,942 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$8,789 NZD
$4,945 USD
View
B+
Retailer 6
-
$8,871 NZD
$4,991 USD
View
Retailer 7
-
$10,977 NZD
$6,176 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$11,279 NZD
£4,997 GBP
View
B+
Retailer 9
-
$11,430 NZD
$6,431 USD
View
Retailer 10
-
$12,023 NZD
$6,765 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$12,351 NZD
£5,472 GBP
View
B+
Retailer 12
-
$12,779 NZD
$7,190 USD
View
B
Retailer 13
-
$13,596 NZD
ZAR 123,583 ZAR
View
B
Retailer 14
-
$16,410 NZD
$9,233 USD
View
B
Retailer 15
-
$16,573 NZD
A$14,346 AUD
View
B
Retailer 16
-
$17,963 NZD
$10,107 USD
View
Most Expensive
B
Taylor and Hart
76QT5S6 · Oct 31
$31,280 NZD
$17,599 USD
View
16 more retailers have this diamond
Prices start from $8,789 NZDSave up to $22,491 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.

B+
12.09ct Radiant
$8,789 NZD