Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG651420471

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

Certificate IGI LG651420471

Diamond specifications and retailer prices

From $331 CAD
$237 USD
As of October 30, 2026
Save $1,667 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,998 CAD at Brilliant Earth · As of October 29, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG651420471 or 651420471. Listed at 19 retailers as of October 29, 2026, with prices from $331 to $1,998, a $1,667 spread on the same certified stone. Brilliant Earth lists it at $1,998. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651420471
Dimensions7.67 × 5.33 × 3.61 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.33 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651420471
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 34.4°Culet: NoneDepth 67.7%

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: Oct 30
Current: $1,998 CAD|Low: $331 CAD|High: $2,137 CAD|Avg: $923 CAD|-6.5%
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
Retailer 18
Retailer 19
October 30, 2026
Retailer 3$331 CAD
Retailer 6$344 CAD
Retailer 7$362 CAD
Retailer 19$367 CAD
Retailer 18$451 CAD
Retailer 4$630 CAD
Retailer 13$630 CAD
Retailer 2$678 CAD
Retailer 17$679 CAD
Retailer 8$814 CAD
Retailer 9$860 CAD
Retailer 14$896 CAD
Retailer 15$1,183 CAD
Retailer 16$1,243 CAD
Retailer 11$1,253 CAD
Retailer 10$1,341 CAD
Retailer 12$1,478 CAD
Retailer 5$1,720 CAD
Brilliant Earth$1,998 CAD

38 data points across 19 retailers

19 retailers$331 CAD to $1,998 CAD

A
Cheapest Retailer
-
$331 CAD
$237 USD
Final sale: no returns
Retailer 2
-
$344 CAD
$246 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$362 CAD
$259 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$367 CAD
$263 USD
View
Retailer 5
-
$367 CAD
$263 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$451 CAD
£254 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$630 CAD
$451 USD
View
A
Retailer 8
-
$630 CAD
ZAR 7,286 ZAR
View
A
Retailer 9
-
$678 CAD
£382 GBP
View
Retailer 10
-
$679 CAD
€463 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$814 CAD
$583 USD
View
B+
Retailer 12
-
$860 CAD
$616 USD
View
B+
Retailer 13
-
$896 CAD
A$987 AUD
View
B+
Retailer 14
-
$1,183 CAD
$847 USD
View
Retailer 15
-
$1,243 CAD
$890 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$1,253 CAD
$897 USD
View
B
Retailer 17
-
$1,478 CAD
£833 GBP
View
B
Retailer 18
-
$1,720 CAD
$1,231 USD
View
Most Expensive
B
Brilliant Earth
12197745A · Oct 29
$1,998 CAD
$1,430 USD
View
18 more retailers have this diamond
Prices start from $331 CADSave up to $1,667 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
$331 CAD