Radiant|Lab Grown|IGI

15.09ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG758559978

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

Certificate IGI LG758559978

Diamond specifications and retailer prices

From €2,009 EUR
£1,775 GBP
As of November 2, 2026
Save €11,507 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €13,516 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 15.09ct lab-grown radiant diamond

This 15.09ct 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 LG758559978 or 758559978. Listed at 19 retailers as of November 2, 2026, with prices from €2,009 to €13,516, a €11,507 spread on the same certified stone. Brilliant Earth lists it at €13,516. 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

15.09
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.9°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758559978
Dimensions12.40 × 12.40 × 7.95 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.40 mm12.40 mm15.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758559978
Side View
Table 61.0%Crown 23.9°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 64.1%

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 2
Current: €13,516 EUR|Low: €2,009 EUR|High: €13,935 EUR|Avg: €6,488 EUR|-3.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 12€2,009 EUR
Retailer 14€2,347 EUR
Retailer 9€2,415 EUR
Retailer 16€2,502 EUR
Retailer 5€3,009 EUR
Retailer 3€3,406 EUR
Retailer 13€3,418 EUR
Retailer 18€3,440 EUR
Retailer 2€3,639 EUR
Retailer 11€3,779 EUR
Retailer 4€3,874 EUR
Retailer 19€3,996 EUR
Retailer 15€4,636 EUR
Retailer 10€5,773 EUR
Retailer 7€7,035 EUR
Retailer 8€8,734 EUR
Retailer 17€9,600 EUR
Retailer 6€12,745 EUR
Brilliant Earth€13,516 EUR

28 data points across 19 retailers

19 retailers€2,009 EUR to €13,516 EUR

A
Cheapest Retailer
-
€2,009 EUR
£1,775 GBP
A
Retailer 2
-
€2,347 EUR
$2,632 USD
View
A
Retailer 3
-
€2,415 EUR
$2,709 USD
View
Final sale: no returns
A
Retailer 4
-
€2,502 EUR
$2,806 USD
View
A
Retailer 5
-
€3,009 EUR
$3,375 USD
View
A
Retailer 6
-
€3,406 EUR
$3,820 USD
View
A
Retailer 7
-
€3,418 EUR
£3,018 GBP
View
A
Retailer 8
-
€3,440 EUR
$3,858 USD
View
A
Retailer 9
-
€3,639 EUR
$4,081 USD
View
B+
Retailer 10
-
€3,779 EUR
$4,238 USD
View
A
Retailer 11
-
€3,874 EUR
ZAR 70,188 ZAR
View
A
Retailer 12
-
€3,996 EUR
View
B+
Retailer 13
-
€4,636 EUR
A$8,000 AUD
View
Retailer 14
-
€5,773 EUR
$6,475 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
€7,035 EUR
$7,891 USD
View
B
Retailer 16
-
€8,734 EUR
$9,797 USD
View
B
Retailer 17
-
€9,600 EUR
A$16,566 AUD
View
B
Retailer 18
-
€12,745 EUR
$14,295 USD
View
Most Expensive
B
Brilliant Earth
18212470A · Nov 2
€13,516 EUR
$15,160 USD
View
18 more retailers have this diamond
Prices start from €2,009 EURSave up to €11,507 EUR

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
15.09ct Radiant
€2,009 EUR