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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 $2,417 USD
As of October 30, 2026
Save $10,787 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,204 USD at Adiamor · As of October 31, 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 $2,417 to $13,204, a $10,787 spread on the same certified stone. Adiamor lists it at $13,204. 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
Color
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: $13,204 USD|Low: $2,320 USD|High: $13,204 USD|Avg: $5,354 USD
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 1, 2026
Retailer 13$2,417 USD
Retailer 6$2,706 USD
Retailer 14$2,804 USD
Retailer 9$2,965 USD
Retailer 3$3,453 USD
Retailer 7$3,830 USD
Retailer 10$4,008 USD
Retailer 12$4,203 USD
Retailer 8$4,340 USD
Retailer 2$5,195 USD
Retailer 11$6,205 USD
Retailer 4$7,884 USD
Retailer 5$9,787 USD
Adiamor$13,204 USD

43 data points across 14 retailers

17 retailers$2,417 USD to $13,204 USD

A
Cheapest Retailer
-
$2,417 USD
A
Retailer 2
-
$2,630 USD
View
A
Retailer 3
-
$2,706 USD
View
Final sale: no returns
A
Retailer 4
-
$2,804 USD
View
Retailer 5
-
$2,804 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$2,965 USD
View
A
Retailer 7
-
$3,453 USD
View
A
Retailer 8
-
$3,830 USD
£3,015 GBP
View
A
Retailer 9
-
$3,854 USD
View
B+
Retailer 10
-
$4,008 USD
View
A
Retailer 11
-
$4,203 USD
View
A
Retailer 12
-
$4,340 USD
ZAR 70,120 ZAR
View
B+
Retailer 13
-
$5,195 USD
A$7,992 AUD
View
Retailer 14
-
$6,205 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$7,884 USD
View
B
Retailer 16
-
$9,787 USD
View
Most Expensive
B
Adiamor
D-70003992 · Oct 31
$13,204 USD
View
16 more retailers have this diamond
Prices start from $2,417 USDSave up to $10,787 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
15.22ct Radiant
$2,417 USD