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Radiant|Lab Grown|IGI

15.12ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG842647886

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

Certificate IGI LG842647886

Diamond specifications and retailer prices

From $4,349 AUD
$3,055 USD
As of November 2, 2026
Save $19,083 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,432 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.12ct lab-grown radiant diamond

This 15.12ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842647886 or 842647886. Listed at 11 retailers as of October 31, 2026, with prices from $4,349 to $23,432, a $19,083 spread on the same certified stone. Brilliant Earth lists it at $23,432. 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

15.12
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842647886
Dimensions16.81 × 11.66 × 7.99 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.81 mm11.66 mm15.12 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842647886
Side View
Table 70.0%Crown 32°Girdle: ThickPavilion 33.1°Culet: NoneDepth 68.5%

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: $23,432 AUD|Low: $3,323 AUD|High: $23,432 AUD|Avg: $9,883 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$3,323 AUD
Retailer 11$4,349 AUD
Retailer 6$5,511 AUD
Retailer 9$5,626 AUD
Retailer 10$6,372 AUD
Retailer 2$6,393 AUD
Retailer 5$6,415 AUD
Retailer 7$7,627 AUD
Retailer 4$14,363 AUD
Retailer 8$17,334 AUD
Retailer 12$21,848 AUD
Brilliant Earth$23,432 AUD

19 data points across 12 retailers

11 retailers$4,349 AUD to $23,432 AUD

A
Cheapest Retailer
-
$4,349 AUD
$3,055 USD
A
Retailer 2
-
$5,511 AUD
£3,048 GBP
View
A
Retailer 3
-
$5,626 AUD
$3,952 USD
View
A
Retailer 4
-
$6,372 AUD
ZAR 72,312 ZAR
View
A
Retailer 5
-
$6,393 AUD
€4,277 EUR
View
B+
Retailer 6
-
$6,415 AUD
$4,506 USD
View
B+
Retailer 7
-
$7,627 AUD
View
B
Retailer 8
-
$14,363 AUD
$10,089 USD
View
B
Retailer 9
-
$17,334 AUD
View
B
Retailer 10
-
$21,848 AUD
$15,347 USD
View
Most Expensive
B
Brilliant Earth
22121537A · Oct 31
$23,432 AUD
$16,460 USD
View
10 more retailers have this diamond
Prices start from $4,349 AUDSave up to $19,083 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.

A
15.12ct Radiant
$4,349 AUD