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 $4,986 AUD
HK$27,300 HKD
As of November 3, 2026
Save $16,646 AUD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $21,632 AUD 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 LG805644300 or 805644300. Listed at 21 retailers as of November 2, 2026, with prices from $4,986 to $21,632, a $16,646 spread on the same certified stone. Brilliant Earth lists it at $21,632. 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
Colour
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

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 3
Current: $21,632 AUD|Low: $3,537 AUD|High: $22,659 AUD|Avg: $9,173 AUD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 4$3,537 AUD
Retailer 8$3,777 AUD
Retailer 6$4,109 AUD
Retailer 15$4,229 AUD
Retailer 10$4,382 AUD
Retailer 22$4,388 AUD
Retailer 13$4,986 AUD
Retailer 12$5,097 AUD
Retailer 5$5,837 AUD
Retailer 19$5,882 AUD
Retailer 11$6,023 AUD
Retailer 2$6,510 AUD
Retailer 20$6,756 AUD
Retailer 7$6,823 AUD
Retailer 21$8,131 AUD
Retailer 3$9,032 AUD
Retailer 9$12,248 AUD
Retailer 14$15,279 AUD
Retailer 16$15,365 AUD
Retailer 18$20,586 AUD
Retailer 17$21,081 AUD
Brilliant Earth$21,632 AUD

31 data points across 22 retailers

21 retailers$4,986 AUD to $21,632 AUD

Retailer 1
-
$3,777 AUD
$2,647 USD
Price last confirmed 10 days ago
Retailer 2
-
$4,109 AUD
$2,880 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$4,382 AUD
$3,071 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,388 AUD
$3,075 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
$4,986 AUD
HK$27,300 HKD
View
Retailer 6
-
$5,097 AUD
$3,572 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$5,837 AUD
$4,091 USD
View
Retailer 8
-
$5,882 AUD
£3,246 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
$6,023 AUD
$4,221 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$6,510 AUD
€4,345 EUR
View
Retailer 11
-
$6,756 AUD
ZAR 76,494 ZAR
View
Price last confirmed 9 days ago
Retailer 12
-
$6,823 AUD
$4,782 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$8,131 AUD
View
Price last confirmed 11 days ago
Retailer 14
-
$9,032 AUD
$6,330 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$12,248 AUD
$8,584 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$15,279 AUD
$10,708 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$15,365 AUD
View
B
Retailer 18
-
$20,586 AUD
$14,427 USD
View
B
Retailer 19
-
$21,081 AUD
$14,774 USD
View
Retailer 20
-
$21,632 AUD
$15,160 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
20275856A · Nov 2
$21,632 AUD
$15,160 USD
View
20 more retailers have this diamond
Prices start from $4,986 AUDSave up to $16,646 AUD

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
$4,986 AUD