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Radiant|Lab Grown|IGI

15.05ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG812631214

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

Certificate IGI LG812631214

Diamond specifications and retailer prices

From $4,374 CAD
$3,131 USD
As of October 30, 2026
Save $13,554 CAD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $17,928 CAD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.05ct lab-grown radiant diamond

This 15.05ct 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 LG812631214 or 812631214. Listed at 6 retailers as of October 30, 2026, with prices from $4,374 to $17,928, a $13,554 spread on the same certified stone. Adiamor lists it at $17,928. 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

15.05
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812631214
Dimensions18.05 × 12.36 × 7.92 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.05 mm12.36 mm15.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812631214
Side View
Table 72.0%Crown 38.5°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 64.1%

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: $17,928 CAD|Low: $4,374 CAD|High: $18,130 CAD|Avg: $8,511 CAD|-0.9%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$4,374 CAD
Retailer 2$4,722 CAD
Retailer 3$4,906 CAD
Retailer 4$5,414 CAD
Retailer 5$11,999 CAD
Adiamor$17,928 CAD

42 data points across 6 retailers

6 retailers$4,374 CAD to $17,928 CAD

A
Cheapest Retailer
-
$4,374 CAD
$3,131 USD
A
Retailer 2
-
$4,722 CAD
£2,662 GBP
View
B+
Retailer 3
-
$4,906 CAD
$3,512 USD
View
Retailer 4
-
$5,414 CAD
€3,691 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$11,999 CAD
$8,590 USD
View
Most Expensive
B
Adiamor
D-82354041 · Oct 31
$17,928 CAD
$12,834 USD
View
5 more retailers have this diamond
Prices start from $4,374 CADSave up to $13,554 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
15.05ct Radiant
$4,374 CAD