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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 $7,056 AUD
$4,945 USD
As of November 3, 2026
Save $18,057 AUD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $25,113 AUD 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 $7,056 to $25,113, a $18,057 spread on the same certified stone. Taylor and Hart lists it at $25,113. 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 3
Current: $9,131 AUD|Low: $5,836 AUD|High: $25,113 AUD|Avg: $10,829 AUD|-43.9%
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 3, 2026
Retailer 15$6,080 AUD
Retailer 13$6,371 AUD
Retailer 2$7,052 AUD
Retailer 4$7,052 AUD
Retailer 10$7,056 AUD
Retailer 3$7,122 AUD
Retailer 7$8,813 AUD
Retailer 1$9,131 AUD
Retailer 12$9,176 AUD
Retailer 6$9,916 AUD
Retailer 11$10,259 AUD
Retailer 9$10,915 AUD
Retailer 14$13,175 AUD
Retailer 8$13,306 AUD
Retailer 5$14,422 AUD
Taylor and Hart$25,113 AUD

43 data points across 16 retailers

17 retailers$7,056 AUD to $25,113 AUD

Retailer 1
-
$6,080 AUD
$4,261 USD
Price last confirmed 10 days ago
Retailer 2
-
$6,371 AUD
$4,465 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$7,052 AUD
$4,942 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$7,052 AUD
$4,942 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$7,056 AUD
$4,945 USD
View
B+
Retailer 6
-
$7,122 AUD
$4,991 USD
View
Retailer 7
-
$8,813 AUD
$6,176 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$9,131 AUD
£5,039 GBP
View
B+
Retailer 9
-
$9,176 AUD
$6,431 USD
View
Retailer 10
-
$9,653 AUD
$6,765 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$9,916 AUD
£5,472 GBP
View
B+
Retailer 12
-
$10,259 AUD
$7,190 USD
View
B
Retailer 13
-
$10,915 AUD
ZAR 123,583 ZAR
View
B
Retailer 14
-
$13,175 AUD
$9,233 USD
View
B
Retailer 15
-
$13,306 AUD
View
B
Retailer 16
-
$14,422 AUD
$10,107 USD
View
Most Expensive
B
Taylor and Hart
76QT5S6 · Oct 31
$25,113 AUD
$17,599 USD
View
16 more retailers have this diamond
Prices start from $7,056 AUDSave up to $18,057 AUD

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
$7,056 AUD