Radiant|Lab Grown|IGI

1.28ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG841654543

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

Certificate IGI LG841654543

Diamond specifications and retailer prices

From $260 CAD
$186 USD
As of October 30, 2026
Save $1,268 CAD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,375 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841654543 or 841654543. Listed at 21 retailers as of October 26, 2026, with a 488% 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654543
Dimensions8.21 × 5.18 × 3.45 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.18 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654543
Side View
Table 67.0%Crown 40.6°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 66.6%

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: Oct 30
Current: $1,042 CAD|Low: $260 CAD|High: $1,565 CAD|Avg: $739 CAD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 17$260 CAD
Retailer 16$292 CAD
Retailer 10$306 CAD
Retailer 3$324 CAD
Retailer 8$327 CAD
Retailer 19$397 CAD
Retailer 15$436 CAD
Retailer 11$540 CAD
Retailer 6$558 CAD
Retailer 2$589 CAD
Retailer 14$777 CAD
Retailer 7$796 CAD
Retailer 5$847 CAD
Retailer 1$1,042 CAD
Retailer 4$1,043 CAD
Retailer 20$1,055 CAD
Retailer 12$1,083 CAD
Retailer 18$1,114 CAD
Retailer 13$1,264 CAD
Retailer 9$1,527 CAD

17 data points across 20 retailers

21 retailers$260 CAD to $1,527 CAD

A
Cheapest Retailer
-
$260 CAD
$186 USD
A
Retailer 2
-
$292 CAD
$209 USD
View
Final sale: no returns
A
Retailer 3
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$306 CAD
$219 USD
View
A
Retailer 4
-
$324 CAD
$232 USD
View
A
Retailer 5
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$327 CAD
$234 USD
View
A
Retailer 6
-
$397 CAD
£224 GBP
View
B+
Retailer 7
-
$436 CAD
$312 USD
View
Retailer 8
-
$540 CAD
€368 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$558 CAD
ZAR 6,448 ZAR
View
A
Retailer 10
-
$589 CAD
£332 GBP
View
A
Retailer 11
-
$777 CAD
$556 USD
View
A
Retailer 12
-
$796 CAD
A$877 AUD
View
B+
Retailer 13
-
$847 CAD
$606 USD
View
B+
Retailer 14
-
$1,042 CAD
$746 USD
View
B+
Retailer 15
-
$1,043 CAD
$747 USD
View
B+
Retailer 16
-
$1,055 CAD
SGD 1,021 SGD
View
B+
Retailer 17
-
$1,083 CAD
$775 USD
View
B+
Retailer 18
-
$1,114 CAD
$797 USD
View
Retailer 19
-
$1,264 CAD
$905 USD
View
Price last confirmed 9 days ago
B+
Retailer 20
-
$1,527 CAD
£861 GBP
View
Most Expensive
Helzberg Diamonds
ZXZOKHMLKLKJ · Oct 13
$2,375 CAD
$1,700 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $260 CADSave up to $1,268 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
$260 CAD