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Radiant|Lab Grown|IGI

15.09ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG805644300

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

Certificate IGI LG805644300

Diamond specifications and retailer prices

From $3,494 USD
HK$27,300 HKD
As of November 1, 2026
Save $11,666 USD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $15,160 USD at Brilliant Earth · As of October 31, 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 LG805644300 or 805644300. Listed at 22 retailers as of October 31, 2026, with prices from $3,494 to $15,160, a $11,666 spread on the same certified stone. Brilliant Earth lists it at $15,160. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805644300
Dimensions17.00 × 12.46 × 8.05 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.00 mm12.46 mm15.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805644300
Side View
Table 66.0%Crown 43.5°Girdle: MediumPavilion 33.7°Culet: NoneDepth 64.6%

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: $15,160 USD|Low: $2,479 USD|High: $15,880 USD|Avg: $6,422 USD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
November 1, 2026
Retailer 4$2,479 USD
Retailer 8$2,647 USD
Retailer 6$2,880 USD
Retailer 15$2,964 USD
Retailer 10$3,071 USD
Retailer 22$3,075 USD
Retailer 2$3,494 USD
Retailer 12$3,572 USD
Retailer 5$4,091 USD
Retailer 19$4,122 USD
Retailer 11$4,221 USD
Retailer 17$4,644 USD
Retailer 20$4,735 USD
Retailer 7$4,782 USD
Retailer 21$5,699 USD
Retailer 3$6,330 USD
Retailer 9$8,584 USD
Retailer 14$10,708 USD
Retailer 13$10,768 USD
Retailer 18$14,427 USD
Retailer 16$14,774 USD
Brilliant Earth$15,160 USD

30 data points across 22 retailers

22 retailers$3,494 USD to $15,160 USD

Retailer 1
-
$2,479 USD
£1,952 GBP
Price last confirmed 16 days ago
Retailer 2
-
$2,647 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$2,880 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$3,071 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$3,075 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$3,494 USD
HK$27,300 HKD
View
A
Retailer 7
-
$3,572 USD
View
A
Retailer 8
-
$4,091 USD
View
A
Retailer 9
-
$4,122 USD
£3,246 GBP
View
Retailer 10
-
$4,221 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$4,644 USD
€4,423 EUR
View
Retailer 12
-
$4,735 USD
ZAR 76,494 ZAR
View
Price last confirmed 8 days ago
A
Retailer 13
-
$4,782 USD
View
Retailer 14
-
$5,699 USD
A$8,767 AUD
View
Price last confirmed 10 days ago
Retailer 15
-
$6,330 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$8,584 USD
View
Price last confirmed 8 days ago
Retailer 17
-
$10,708 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$10,768 USD
A$16,566 AUD
View
B
Retailer 19
-
$14,427 USD
View
B
Retailer 20
-
$14,774 USD
View
B
Retailer 21
-
$15,160 USD
View
Most Expensive
B
Brilliant Earth
20275856A · Oct 31
$15,160 USD
View
21 more retailers have this diamond
Prices start from $3,494 USDSave up to $11,666 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
15.09ct Radiant
$3,494 USD