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Radiant|Lab Grown|IGI

15.22ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG720509099

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

Certificate IGI LG720509099

Diamond specifications and retailer prices

From $3,441 AUD
$2,417 USD
As of October 30, 2026
Save $15,356 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,797 AUD at Adiamor · As of November 2, 2026
View at Adiamor

About this 15.22ct lab-grown radiant diamond

This 15.22ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720509099 or 720509099. Listed at 17 retailers as of October 30, 2026, with prices from $3,441 to $18,797, a $15,356 spread on the same certified stone. Adiamor lists it at $18,797. 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

15.22
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720509099
Dimensions17.47 × 12.42 × 7.77 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.47 mm12.42 mm15.22 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720509099
Side View
Table 67.0%Crown 48.6°Girdle: MED-STKPavilion 30.6°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 30
Current: $18,797 AUD|Low: $3,303 AUD|High: $18,797 AUD|Avg: $7,616 AUD
Adiamor
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
November 2, 2026
Retailer 13$3,441 AUD
Retailer 6$3,852 AUD
Retailer 14$3,992 AUD
Retailer 9$4,221 AUD
Retailer 3$4,916 AUD
Retailer 2$5,452 AUD
Retailer 10$5,706 AUD
Retailer 12$5,983 AUD
Retailer 8$6,179 AUD
Retailer 7$7,395 AUD
Retailer 11$8,833 AUD
Retailer 4$11,223 AUD
Retailer 5$13,933 AUD
Adiamor$18,797 AUD

44 data points across 14 retailers

17 retailers$3,441 AUD to $18,797 AUD

A
Cheapest Retailer
-
$3,441 AUD
$2,417 USD
A
Retailer 2
-
$3,744 AUD
$2,630 USD
View
A
Retailer 3
-
$3,852 AUD
$2,706 USD
View
Final sale: no returns
A
Retailer 4
-
$3,992 AUD
$2,804 USD
View
Retailer 5
-
$3,992 AUD
$2,804 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$4,221 AUD
$2,965 USD
View
A
Retailer 7
-
$4,916 AUD
$3,453 USD
View
A
Retailer 8
-
$5,452 AUD
£3,015 GBP
View
A
Retailer 9
-
$5,487 AUD
$3,854 USD
View
B+
Retailer 10
-
$5,706 AUD
$4,008 USD
View
A
Retailer 11
-
$5,983 AUD
$4,203 USD
View
A
Retailer 12
-
$6,179 AUD
ZAR 70,120 ZAR
View
B+
Retailer 13
-
$7,395 AUD
View
Retailer 14
-
$8,833 AUD
$6,205 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$11,223 AUD
$7,884 USD
View
B
Retailer 16
-
$13,933 AUD
$9,787 USD
View
Most Expensive
B
Adiamor
D-70003992 · Nov 2
$18,797 AUD
$13,204 USD
View
16 more retailers have this diamond
Prices start from $3,441 AUDSave up to $15,356 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
15.22ct Radiant
$3,441 AUD