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Radiant|Lab Grown|IGI

15.11ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG720587946

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

Certificate IGI LG720587946

Diamond specifications and retailer prices

From $3,919 USD
As of October 30, 2026
Save $8,816 USD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $31,030 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG720587946 or 720587946. Listed at 15 retailers as of October 30, 2026, with a 225% 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
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720587946
Dimensions18.17 × 12.27 × 7.44 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.17 mm12.27 mm15.11 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720587946
Side View
Table 69.0%Crown 43.5°Girdle: MediumPavilion 34.4°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $31,030 USD|Low: $3,762 USD|High: $34,814 USD|Avg: $9,919 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9$3,919 USD
Retailer 12$4,107 USD
Retailer 5$4,388 USD
Retailer 3$4,545 USD
Retailer 10$4,545 USD
Retailer 7$4,605 USD
Retailer 4$4,843 USD
Retailer 11$6,270 USD
Retailer 6$6,447 USD
Retailer 8$7,766 USD
Retailer 13$12,500 USD
Brilliant Earth$31,030 USD
Retailer 2$34,814 USD

44 data points across 13 retailers

15 retailers$3,919 USD to $12,735 USD

A
Cheapest Retailer
-
$3,919 USD
A
Retailer 2
-
$4,107 USD
View
A
Retailer 3
-
$4,388 USD
View
Final sale: no returns
A
Retailer 4
-
$4,545 USD
View
Retailer 5
-
$4,545 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$4,605 USD
View
A
Retailer 7
-
$4,843 USD
View
B+
Retailer 8
-
$6,270 USD
View
B+
Retailer 9
-
$6,447 USD
£5,076 GBP
View
B+
Retailer 10
-
$7,766 USD
ZAR 125,459 ZAR
View
Retailer 11
-
$9,119 USD
View
Price last confirmed 84 days ago
B
Retailer 12
-
$12,500 USD
View
B
Retailer 13
-
$12,735 USD
View
Retailer 14
-
$26,960 USD
View
Price under review
Most Expensive
Brilliant Earth
17148862A · Oct 31
$31,030 USD
View
Price under review
14 more retailers have this diamond
Prices start from $3,919 USDSave up to $8,816 USD

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
15.11ct Radiant
$3,919 USD