Radiant|Lab Grown|IGI

15.03ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG782648478

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

Certificate IGI LG782648478

Diamond specifications and retailer prices

From $3,354 USD
HK$26,200 HKD
As of November 1, 2026
Save $11,746 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,100 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 15.03ct lab-grown radiant diamond

This 15.03ct 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 LG782648478 or 782648478. Listed at 21 retailers as of November 1, 2026, with prices from $3,354 to $15,100, a $11,746 spread on the same certified stone. Brilliant Earth lists it at $15,100. 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

15.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782648478
Dimensions17.85 × 11.71 × 7.79 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.85 mm11.71 mm15.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782648478
Side View
Table 65.0%Crown 48.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 66.5%

Caratlytics Score

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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: Nov 1
Current: $15,100 USD|Low: $2,384 USD|High: $15,100 USD|Avg: $6,180 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 21
Retailer 22
November 2, 2026
Retailer 9$2,384 USD
Retailer 6$2,546 USD
Retailer 4$2,770 USD
Retailer 15$2,850 USD
Retailer 8$2,953 USD
Retailer 3$2,955 USD
Retailer 17$3,354 USD
Retailer 12$3,464 USD
Retailer 20$3,964 USD
Retailer 2$3,997 USD
Retailer 5$4,059 USD
Retailer 13$4,384 USD
Retailer 21$4,554 USD
Retailer 10$4,602 USD
Retailer 22$5,481 USD
Retailer 7$6,280 USD
Retailer 11$8,276 USD
Retailer 14$10,303 USD
Retailer 18$10,725 USD
Retailer 19$14,194 USD
Retailer 16$14,268 USD
Brilliant Earth$15,100 USD

29 data points across 22 retailers

21 retailers$3,354 USD to $15,100 USD

Retailer 1
-
$2,384 USD
£1,877 GBP
Price last confirmed 16 days ago
Retailer 2
-
$2,546 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$2,770 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$2,953 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$2,955 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$3,354 USD
HK$26,200 HKD
View
Retailer 7
-
$3,464 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$3,964 USD
£3,121 GBP
View
A
Retailer 9
-
$3,997 USD
View
Retailer 10
-
$4,059 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$4,384 USD
€4,175 EUR
View
Retailer 12
-
$4,554 USD
ZAR 73,571 ZAR
View
Price last confirmed 8 days ago
Retailer 13
-
$4,602 USD
View
Price last confirmed 6 days ago
Retailer 14
-
$5,481 USD
A$8,432 AUD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$6,280 USD
View
Retailer 16
-
$8,276 USD
View
Price last confirmed 8 days ago
Retailer 17
-
$10,303 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$10,725 USD
A$16,500 AUD
View
B
Retailer 19
-
$14,194 USD
View
B
Retailer 20
-
$14,268 USD
View
Most Expensive
B
Brilliant Earth
18445082A · Nov 1
$15,100 USD
View
20 more retailers have this diamond
Prices start from $3,354 USDSave up to $11,746 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
15.03ct Radiant
$3,354 USD