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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG729520612

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

Certificate IGI LG729520612

Diamond specifications and retailer prices

From $407 CAD
As of November 4, 2026
Save $3,551 CAD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,958 CAD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 LG729520612 or 729520612. Listed at 24 retailers as of November 4, 2026, with prices from $407 to $3,958, a $3,551 spread on the same certified stone. Do Amore Diamonds lists it at $3,958. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729520612
Dimensions5.30 × 5.30 × 3.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.30 mm5.30 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729520612
Side View
Table 62.0%Crown 48.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 63.0%

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: Nov 4
Current: $633 CAD|Low: $390 CAD|High: $2,253 CAD|Avg: $1,172 CAD|-1.1%
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
November 4, 2026
Retailer 3$407 CAD
Retailer 4$503 CAD
Retailer 1$633 CAD
Retailer 2$725 CAD
Retailer 8$959 CAD
Retailer 11$975 CAD
Retailer 7$982 CAD
Retailer 6$1,366 CAD
Retailer 10$1,465 CAD
Retailer 12$1,547 CAD
Retailer 13$1,548 CAD
Retailer 5$1,788 CAD
Retailer 9$2,227 CAD

38 data points across 13 retailers

24 retailers$407 CAD to $3,958 CAD

A
Cheapest Retailer
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$407 CAD
A
Retailer 2
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$454 CAD
View
Final sale: no returns
A
Retailer 3
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$471 CAD
View
A
Retailer 4
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$503 CAD
View
Retailer 5
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$503 CAD
View
Price last confirmed 10 days ago
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Retailer 6
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$631 CAD
View
A
Retailer 7
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$633 CAD
View
A
Retailer 8
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$673 CAD
View
A
Retailer 9
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$725 CAD
View
A
Retailer 10
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$725 CAD
View
B+
Retailer 11
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$959 CAD
View
B+
Retailer 12
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$975 CAD
View
B+
Retailer 13
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$982 CAD
View
B+
Retailer 14
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$1,366 CAD
View
B+
Retailer 15
-
$1,465 CAD
View
Retailer 16
-
$1,547 CAD
View
Price last confirmed 17 days ago
B
Retailer 17
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$1,548 CAD
View
B
Retailer 18
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$1,788 CAD
View
B
Retailer 19
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$2,012 CAD
View
B
Retailer 20
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$2,064 CAD
View
B
Retailer 21
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$2,165 CAD
View
B
Retailer 22
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$2,227 CAD
View
B
Retailer 23
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$3,609 CAD
View
Most Expensive
B
Do Amore Diamonds
23-729520612 · Nov 4
$3,958 CAD
$2,840 USD
View
23 more retailers have this diamond
Prices start from $407 CADSave up to $3,551 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
$407 CAD