Radiant|Lab Grown|IGI

1.26ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG829603851

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

Certificate IGI LG829603851

Diamond specifications and retailer prices

From $393 CAD
$281 USD
As of October 30, 2026
Save $3,756 CAD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,149 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.26ct lab-grown radiant diamond

This 1.26ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG829603851 or 829603851. Listed at 17 retailers as of October 30, 2026, with prices from $393 to $4,149, a $3,756 spread on the same certified stone. Brilliant Earth lists it at $4,149. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829603851
Dimensions7.46 × 5.27 × 3.55 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm5.27 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829603851
Side View
Table 64.0%Crown 41.5°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 67.4%

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: $447 CAD|Low: $393 CAD|High: $2,242 CAD|Avg: $1,089 CAD|-3.8%
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
November 1, 2026
Retailer 15$393 CAD
Retailer 1$447 CAD
Retailer 14$584 CAD
Retailer 4$657 CAD
Retailer 6$749 CAD
Retailer 10$801 CAD
Retailer 9$826 CAD
Retailer 13$893 CAD
Retailer 7$1,061 CAD
Retailer 5$1,152 CAD
Retailer 11$1,334 CAD
Retailer 16$1,467 CAD
Retailer 12$1,520 CAD
Retailer 2$1,698 CAD
Retailer 8$1,755 CAD
Retailer 3$2,209 CAD

19 data points across 16 retailers

17 retailers$393 CAD to $4,149 CAD

A
Cheapest Retailer
-
$393 CAD
$281 USD
Final sale: no returns
A
Retailer 2
-
$447 CAD
£252 GBP
View
A
Retailer 3
-
$584 CAD
$418 USD
View
A
Retailer 4
-
$657 CAD
$470 USD
View
A
Retailer 5
-
$749 CAD
ZAR 8,657 ZAR
View
A
Retailer 6
-
$801 CAD
€546 EUR
View
A
Retailer 7
-
$826 CAD
£466 GBP
View
A
Retailer 8
-
$893 CAD
$639 USD
View
A
Retailer 9
-
$1,061 CAD
A$1,168 AUD
View
B+
Retailer 10
-
$1,152 CAD
$825 USD
View
B+
Retailer 11
-
$1,334 CAD
$955 USD
View
B+
Retailer 12
-
$1,467 CAD
$1,050 USD
View
B+
Retailer 13
-
$1,520 CAD
$1,088 USD
View
B+
Retailer 14
-
$1,698 CAD
A$1,870 AUD
View
B+
Retailer 15
-
$1,755 CAD
£989 GBP
View
B+
Retailer 16
-
$2,209 CAD
SGD 2,137 SGD
View
Most Expensive
B
Brilliant Earth
21324949A · Oct 31
$4,149 CAD
$2,970 USD
View
16 more retailers have this diamond
Prices start from $393 CADSave up to $3,756 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
1.26ct Radiant
$393 CAD