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Radiant|Lab Grown|IGI

1.28ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG514252408

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

Certificate IGI LG514252408

Diamond specifications and retailer prices

From $1,282 CAD
As of November 2, 2026
Save $1,452 CAD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,440 CAD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252408 or 514252408. Listed at 15 retailers as of November 2, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252408
Dimensions7.62 × 5.39 × 3.42 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.62 mm5.39 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252408
Side View
Table 64.5%Crown 38.7°Girdle: MED-STKPavilion 29.3°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,734 CAD|Low: $1,230 CAD|High: $5,099 CAD|Avg: $2,774 CAD|+2.5%
Retailer 1
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
Reve Diamonds
November 3, 2026
Retailer 13$1,282 CAD
Retailer 3$1,393 CAD
Retailer 5$1,434 CAD
Retailer 4$1,486 CAD
Retailer 15$1,486 CAD
Retailer 14$1,719 CAD
Retailer 11$1,733 CAD
Retailer 7$2,184 CAD
Retailer 16$2,381 CAD
Retailer 1$2,734 CAD
Retailer 12$3,306 CAD
Retailer 10$3,871 CAD
Retailer 6$4,110 CAD
Retailer 2$4,179 CAD
Retailer 8$4,255 CAD
Reve Diamonds$4,440 CAD
Retailer 9$5,039 CAD

28 data points across 17 retailers

15 retailers$1,282 CAD to $2,734 CAD

B+
Cheapest Retailer
-
$1,282 CAD
B
Retailer 2
-
$1,393 CAD
View
B
Retailer 3
-
$1,434 CAD
View
Final sale: no returns
Retailer 4
-
$1,486 CAD
View
Price last confirmed 18 days ago
B
Retailer 5
-
$1,486 CAD
View
B
Retailer 6
-
$1,719 CAD
View
B
Retailer 7
-
$1,733 CAD
View
B
Retailer 8
-
$2,381 CAD
View
B
Retailer 9
-
$2,734 CAD
View
Retailer 10
-
$3,306 CAD
View
Price under review
Retailer 11
-
$3,871 CAD
View
Price under review
Retailer 12
-
$4,110 CAD
View
Price under review
Retailer 13
-
$4,179 CAD
View
Price under review
Most Expensive
Reve Diamonds
A1E1C30B9 · Nov 1
$4,440 CAD
$3,177 USD
View
Price under review
13 more retailers have this diamond
Prices start from $1,282 CADSave up to $1,452 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.

B+
1.28ct Radiant
$1,282 CAD