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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG621476649

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

Certificate IGI LG621476649

Diamond specifications and retailer prices

From $278 CAD
$199 USD
As of October 30, 2026
Save $2,390 CAD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,668 CAD at Do Amore Diamonds · As of October 31, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621476649 or 621476649. Listed at 16 retailers as of October 30, 2026, with prices from $278 to $2,668, a $2,390 spread on the same certified stone. Do Amore Diamonds lists it at $2,668. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621476649
Dimensions7.68 × 5.37 × 3.62 mm
L/W Ratio1.43
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
7.68 mm5.37 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621476649
Side View
Table 66.0%Crown 41.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.4%

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: Oct 30
Current: $707 CAD|Low: $222 CAD|High: $1,543 CAD|Avg: $798 CAD|+4.0%
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
November 1, 2026
Retailer 11$278 CAD
Retailer 2$312 CAD
Retailer 15$323 CAD
Retailer 3$345 CAD
Retailer 12$345 CAD
Retailer 7$525 CAD
Retailer 14$598 CAD
Retailer 1$707 CAD
Retailer 4$795 CAD
Retailer 9$930 CAD
Retailer 10$1,112 CAD
Retailer 13$1,224 CAD
Retailer 6$1,463 CAD
Retailer 5$1,523 CAD
Retailer 8$1,533 CAD

43 data points across 15 retailers

16 retailers$278 CAD to $2,668 CAD

A
Cheapest Retailer
-
$278 CAD
$199 USD
A
Retailer 2
-
$312 CAD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$323 CAD
$231 USD
View
A
Retailer 4
-
$345 CAD
$247 USD
View
A
Retailer 5
-
$345 CAD
$247 USD
View
A
Retailer 6
-
$525 CAD
$376 USD
View
A
Retailer 7
-
$598 CAD
$428 USD
View
B+
Retailer 8
-
$707 CAD
£399 GBP
View
B+
Retailer 9
-
$795 CAD
$569 USD
View
B+
Retailer 10
-
$930 CAD
A$1,024 AUD
View
B
Retailer 11
-
$1,112 CAD
$796 USD
View
B
Retailer 12
-
$1,224 CAD
$876 USD
View
B
Retailer 13
-
$1,463 CAD
$1,048 USD
View
B
Retailer 14
-
$1,533 CAD
£864 GBP
View
B
Retailer 15
-
$2,003 CAD
£1,129 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DBB8C2295 · Oct 31
$2,668 CAD
$1,910 USD
View
15 more retailers have this diamond
Prices start from $278 CADSave up to $2,390 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
$278 CAD