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 $4,290 CAD
$3,071 USD
As of October 25, 2026
Save $16,887 CAD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,177 CAD at Brilliant Earth · As of October 29, 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 25, 2026, with prices from $4,290 to $21,177, a $16,887 spread on the same certified stone. Brilliant Earth lists it at $21,177. 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: Oct 25
Current: $21,177 CAD|Low: $3,463 CAD|High: $22,183 CAD|Avg: $8,909 CAD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
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Retailer 21
Retailer 22
October 31, 2026
Retailer 21$3,463 CAD
Retailer 6$3,698 CAD
Retailer 3$4,023 CAD
Retailer 14$4,140 CAD
Retailer 9$4,290 CAD
Retailer 19$4,295 CAD
Retailer 5$4,971 CAD
Retailer 11$4,990 CAD
Retailer 22$5,715 CAD
Retailer 16$5,758 CAD
Retailer 10$5,896 CAD
Retailer 2$6,487 CAD
Retailer 17$6,614 CAD
Retailer 4$6,680 CAD
Retailer 18$7,960 CAD
Retailer 20$8,842 CAD
Retailer 7$11,991 CAD
Retailer 12$14,957 CAD
Retailer 15$15,451 CAD
Retailer 13$20,153 CAD
Retailer 8$21,002 CAD
Brilliant Earth$21,177 CAD

29 data points across 22 retailers

22 retailers$4,290 CAD to $21,177 CAD

Retailer 1
-
$3,463 CAD
£1,952 GBP
Price last confirmed 15 days ago
Retailer 2
-
$3,698 CAD
$2,647 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$4,023 CAD
$2,880 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$4,290 CAD
$3,071 USD
View
A
Retailer 5
-
$4,295 CAD
$3,075 USD
View
A
Retailer 6
-
$4,971 CAD
HK$27,800 HKD
View
A
Retailer 7
-
$4,990 CAD
$3,572 USD
View
A
Retailer 8
-
$5,715 CAD
$4,091 USD
View
A
Retailer 9
-
$5,758 CAD
£3,246 GBP
View
A
Retailer 10
-
$5,896 CAD
$4,221 USD
View
A
Retailer 11
-
$6,487 CAD
€4,423 EUR
View
A
Retailer 12
-
$6,614 CAD
ZAR 76,494 ZAR
View
A
Retailer 13
-
$6,680 CAD
$4,782 USD
View
Retailer 14
-
$7,960 CAD
A$8,767 AUD
View
Price last confirmed 10 days ago
Retailer 15
-
$8,842 CAD
$6,330 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$11,991 CAD
$8,584 USD
View
B
Retailer 17
-
$14,957 CAD
$10,708 USD
View
Retailer 18
-
$15,451 CAD
A$17,017 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
-
$20,153 CAD
$14,427 USD
View
B
Retailer 20
-
$21,002 CAD
$15,035 USD
View
B
Retailer 21
-
$21,177 CAD
$15,160 USD
View
Most Expensive
B
Brilliant Earth
20275856A · Oct 29
$21,177 CAD
$15,160 USD
View
21 more retailers have this diamond
Prices start from $4,290 CADSave up to $16,887 CAD

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
$4,290 CAD