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Radiant|Lab Grown|IGI

15.11ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG844643840

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

Certificate IGI LG844643840

Diamond specifications and retailer prices

From $14,674 AUD
£8,116 GBP
As of October 30, 2026
Save $13,524 AUD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $54,338 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 15.11ct lab-grown radiant diamond

This 15.11ct 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 LG844643840 or 844643840. Listed at 12 retailers as of October 29, 2026, with a 92% 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

15.11
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844643840
Dimensions17.91 × 12.20 × 8.25 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.91 mm12.20 mm15.11 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844643840
Side View
Table 65.0%Crown 43.5°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.6%

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: Oct 30
Current: $26,058 AUD|Low: $14,674 AUD|High: $4,585,044 AUD|Avg: $1,320,275 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 8$14,674 AUD
Retailer 6$15,702 AUD
Retailer 4$19,629 AUD
Retailer 2$21,320 AUD
Retailer 10$21,695 AUD
Retailer 1$26,058 AUD
Retailer 11$28,198 AUD
Retailer 5$44,174 AUD
Retailer 7$50,758 AUD
Taylor and Hart$54,338 AUD
Retailer 9$74,081 AUD
Retailer 3$4,573,600 AUD

5 data points across 12 retailers

12 retailers$14,674 AUD to $28,198 AUD

B+
Cheapest Retailer
-
$14,674 AUD
£8,116 GBP
Retailer 2
-
$15,702 AUD
$11,030 USD
View
B
Retailer 3
-
$19,629 AUD
$13,788 USD
View
B
Retailer 4
-
$21,320 AUD
$14,976 USD
View
Final sale: no returns
B
Retailer 5
-
$21,695 AUD
£12,000 GBP
View
Retailer 6
-
$26,058 AUD
$18,304 USD
View
B
Retailer 7
-
$28,198 AUD
ZAR 319,992 ZAR
View
Retailer 8
-
$44,174 AUD
$31,030 USD
View
Price under review
Retailer 9
-
$50,758 AUD
$35,654 USD
View
Price under review
Most Expensive
Taylor and Hart
4ZJMOLL · Oct 30
$54,338 AUD
$38,170 USD
View
Price under review
9 more retailers have this diamond
Prices start from $14,674 AUDSave up to $13,524 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+
15.11ct Radiant
$14,674 AUD