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Radiant|Lab Grown|IGI

15.05ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG818611981

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

Certificate IGI LG818611981

Diamond specifications and retailer prices

From $3,065 USD
As of November 2, 2026
Save $11,233 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $14,298 USD at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.05ct lab-grown radiant diamond

This 15.05ct 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 LG818611981 or 818611981. Listed at 12 retailers as of November 2, 2026, with prices from $3,065 to $14,298, a $11,233 spread on the same certified stone. Adiamor lists it at $14,298. 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

15.05
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818611981
Dimensions17.98 × 12.16 × 7.84 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.98 mm12.16 mm15.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818611981
Side View
Table 70.0%Crown 42.5°Girdle: MediumPavilion 35.9°Culet: NoneDepth 64.5%

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: $4,102 USD|Low: $3,065 USD|High: $11,021 USD|Avg: $5,735 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$3,065 USD
Retailer 10$3,563 USD
Retailer 1$4,102 USD
Retailer 9$4,378 USD
Retailer 8$4,494 USD
Retailer 7$4,741 USD
Retailer 5$4,793 USD
Retailer 3$5,675 USD
Retailer 4$10,739 USD
Retailer 2$11,021 USD

43 data points across 10 retailers

12 retailers$3,065 USD to $14,298 USD

A
Cheapest Retailer
-
$3,065 USD
A
Retailer 2
-
$3,563 USD
View
A
Retailer 3
-
$4,102 USD
£3,230 GBP
View
B+
Retailer 4
-
$4,378 USD
View
A
Retailer 5
-
$4,494 USD
View
A
Retailer 6
-
$4,741 USD
ZAR 76,594 ZAR
View
A
Retailer 7
-
$4,793 USD
€4,565 EUR
View
B+
Retailer 8
-
$5,675 USD
A$8,730 AUD
View
B
Retailer 9
-
$10,680 USD
View
B
Retailer 10
-
$10,739 USD
A$16,522 AUD
View
B
Retailer 11
-
$11,246 USD
View
Most Expensive
B
Adiamor
D-81080385 · Nov 2
$14,298 USD
View
11 more retailers have this diamond
Prices start from $3,065 USDSave up to $11,233 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
15.05ct Radiant
$3,065 USD