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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG841629550

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

Certificate IGI LG841629550

Diamond specifications and retailer prices

From $263 CAD
As of November 4, 2026
Save $1,267 CAD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,492 CAD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629550 or 841629550. Listed at 21 retailers as of November 2, 2026, with a 481% 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
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629550
Dimensions7.75 × 5.13 × 3.56 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629550
Side View
Table 66.0%Crown 46.2°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 69.4%

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: $372 CAD|Low: $263 CAD|High: $1,569 CAD|Avg: $773 CAD|-3.6%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 6$263 CAD
Retailer 17$295 CAD
Retailer 16$307 CAD
Retailer 18$327 CAD
Retailer 10$332 CAD
Retailer 1$372 CAD
Retailer 14$443 CAD
Retailer 4$539 CAD
Retailer 8$567 CAD
Retailer 15$588 CAD
Retailer 9$780 CAD
Retailer 5$797 CAD
Retailer 11$885 CAD
Retailer 12$1,052 CAD
Retailer 3$1,056 CAD
Retailer 7$1,069 CAD
Retailer 20$1,099 CAD
Retailer 19$1,126 CAD
Retailer 13$1,498 CAD
Retailer 2$1,530 CAD

18 data points across 20 retailers

21 retailers$263 CAD to $1,530 CAD

A
Cheapest Retailer
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$263 CAD
A
Retailer 2
-
$295 CAD
View
Final sale: no returns
A
Retailer 3
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$307 CAD
View
A
Retailer 4
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$327 CAD
View
Retailer 5
-
$332 CAD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$372 CAD
View
B+
Retailer 7
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$443 CAD
View
A
Retailer 8
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$539 CAD
View
A
Retailer 9
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$567 CAD
View
A
Retailer 10
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$588 CAD
View
A
Retailer 11
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$780 CAD
View
A
Retailer 12
-
$797 CAD
View
B+
Retailer 13
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$885 CAD
View
B+
Retailer 14
-
$1,052 CAD
View
B+
Retailer 15
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$1,056 CAD
View
B+
Retailer 16
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$1,069 CAD
View
B+
Retailer 17
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$1,099 CAD
View
B+
Retailer 18
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$1,126 CAD
View
Retailer 19
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$1,498 CAD
View
Price last confirmed 17 days ago
B+
Retailer 20
-
$1,530 CAD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMIPLLG · Oct 13
$2,492 CAD
$1,788 USD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from $263 CADSave up to $1,267 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
$263 CAD