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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG828688726

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

Certificate IGI LG828688726

Diamond specifications and retailer prices

From $304 CAD
As of November 4, 2026
Save $2,177 CAD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,480 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688726 or 828688726. Listed at 18 retailers as of November 4, 2026, with prices from $304 to $2,480, a $2,177 spread on the same certified stone. Brilliant Earth lists it at $2,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688726
Dimensions7.54 × 5.37 × 3.58 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.37 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688726
Side View
Table 65.0%Crown 47°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 66.7%

Caratlytics Score

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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: Nov 4
Current: $2,480 CAD|Low: $304 CAD|High: $2,773 CAD|Avg: $997 CAD|-10.6%
Brilliant Earth
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
Retailer 17
November 4, 2026
Retailer 10$304 CAD
Retailer 14$314 CAD
Retailer 2$382 CAD
Retailer 11$453 CAD
Retailer 5$581 CAD
Retailer 12$606 CAD
Retailer 3$617 CAD
Retailer 8$787 CAD
Retailer 4$822 CAD
Retailer 7$886 CAD
Retailer 15$1,083 CAD
Retailer 17$1,094 CAD
Retailer 13$1,132 CAD
Retailer 16$1,152 CAD
Retailer 9$1,498 CAD
Retailer 6$1,576 CAD
Brilliant Earth$2,480 CAD

22 data points across 17 retailers

18 retailers$304 CAD to $2,480 CAD

A
Cheapest Retailer
-
$304 CAD
Final sale: no returns
A
Retailer 2
-
$314 CAD
View
A
Retailer 3
-
$382 CAD
View
B+
Retailer 4
-
$453 CAD
View
A
Retailer 5
-
$581 CAD
View
A
Retailer 6
-
$606 CAD
View
A
Retailer 7
-
$617 CAD
View
A
Retailer 8
-
$787 CAD
View
B+
Retailer 9
-
$822 CAD
View
B+
Retailer 10
-
$886 CAD
View
B+
Retailer 11
-
$1,083 CAD
View
B+
Retailer 12
-
$1,094 CAD
View
B+
Retailer 13
-
$1,132 CAD
View
B+
Retailer 14
-
$1,152 CAD
View
Retailer 15
-
$1,354 CAD
View
Price last confirmed 27 days ago
Retailer 16
-
$1,498 CAD
View
Price last confirmed 17 days ago
B+
Retailer 17
-
$1,576 CAD
View
Most Expensive
B
Brilliant Earth
21325021A · Nov 4
$2,480 CAD
$1,780 USD
View
17 more retailers have this diamond
Prices start from $304 CADSave up to $2,177 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
1.28ct Radiant
$304 CAD