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Radiant|Lab Grown|IGI

15.09ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG792635412

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

Certificate IGI LG792635412

Diamond specifications and retailer prices

From $5,419 AUD
£2,997 GBP
As of October 30, 2026
Save $33,716 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $39,135 AUD 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792635412 or 792635412. Listed at 17 retailers as of October 29, 2026, with prices from $5,419 to $39,135, a $33,716 spread on the same certified stone. Brilliant Earth lists it at $39,135. 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
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792635412
Dimensions16.99 × 12.24 × 8.33 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.99 mm12.24 mm15.09 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792635412
Side View
Table 66.0%Crown 46.9°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 68.1%

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: Oct 30
Current: $39,135 AUD|Low: $5,401 AUD|High: $39,135 AUD|Avg: $12,166 AUD
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
October 30, 2026
Retailer 2$5,419 AUD
Retailer 15$5,798 AUD
Retailer 14$6,077 AUD
Retailer 10$6,593 AUD
Retailer 3$6,727 AUD
Retailer 9$6,727 AUD
Retailer 4$7,945 AUD
Retailer 13$8,087 AUD
Retailer 8$8,840 AUD
Retailer 12$9,972 AUD
Retailer 11$10,353 AUD
Retailer 7$18,684 AUD
Retailer 6$23,753 AUD
Retailer 5$23,893 AUD
Brilliant Earth$39,135 AUD

35 data points across 15 retailers

17 retailers$5,419 AUD to $39,135 AUD

A
Cheapest Retailer
-
$5,419 AUD
£2,997 GBP
A
Retailer 2
-
$5,798 AUD
$4,073 USD
View
A
Retailer 3
-
$6,077 AUD
$4,269 USD
View
A
Retailer 4
-
$6,593 AUD
$4,631 USD
View
Final sale: no returns
A
Retailer 5
-
$6,727 AUD
$4,725 USD
View
A
Retailer 6
-
$6,727 AUD
$4,725 USD
View
A
Retailer 7
-
$7,945 AUD
HK$43,600 HKD
View
A
Retailer 8
-
$8,087 AUD
$5,681 USD
View
A
Retailer 9
-
$8,840 AUD
£4,890 GBP
View
Retailer 10
-
$9,972 AUD
$7,005 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$10,353 AUD
€6,926 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$10,389 AUD
$7,298 USD
View
B
Retailer 13
-
$18,160 AUD
$12,757 USD
View
B
Retailer 14
-
$18,684 AUD
$13,125 USD
View
B
Retailer 15
-
$23,753 AUD
$16,685 USD
View
B
Retailer 16
-
$23,893 AUD
$16,783 USD
View
Most Expensive
B
Brilliant Earth
20388112A · Oct 29
$39,135 AUD
$27,490 USD
View
16 more retailers have this diamond
Prices start from $5,419 AUDSave up to $33,716 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
$5,419 AUD