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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG836665002

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

Certificate IGI LG836665002

Diamond specifications and retailer prices

From $273 CAD
$195 USD
As of October 27, 2026
Save $1,435 CAD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,708 CAD at Brilliant Earth · As of October 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836665002 or 836665002. Listed at 19 retailers as of October 26, 2026, with prices from $273 to $1,708, a $1,435 spread on the same certified stone. Brilliant Earth lists it at $1,708. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665002
Dimensions7.81 × 5.26 × 3.62 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.26 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665002
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,708 CAD|Low: $273 CAD|High: $1,708 CAD|Avg: $791 CAD
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 29, 2026
Retailer 3$273 CAD
Retailer 4$304 CAD
Retailer 18$316 CAD
Retailer 16$339 CAD
Retailer 17$339 CAD
Retailer 13$426 CAD
Retailer 14$581 CAD
Retailer 5$591 CAD
Retailer 2$615 CAD
Retailer 8$669 CAD
Retailer 19$791 CAD
Retailer 15$825 CAD
Retailer 11$903 CAD
Retailer 10$1,087 CAD
Retailer 7$1,090 CAD
Retailer 9$1,162 CAD
Retailer 12$1,589 CAD
Retailer 6$1,648 CAD
Brilliant Earth$1,708 CAD

9 data points across 19 retailers

19 retailers$273 CAD to $1,708 CAD

A
Cheapest Retailer
-
$273 CAD
$195 USD
A
Retailer 2
-
$304 CAD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$316 CAD
$226 USD
View
A
Retailer 4
-
$339 CAD
$242 USD
View
A
Retailer 5
-
$339 CAD
$242 USD
View
A
Retailer 6
-
$426 CAD
£240 GBP
View
A
Retailer 7
-
$581 CAD
ZAR 6,703 ZAR
View
A
Retailer 8
-
$591 CAD
$422 USD
View
A
Retailer 9
-
$615 CAD
£346 GBP
View
A
Retailer 10
-
$669 CAD
$478 USD
View
B+
Retailer 11
-
$791 CAD
$565 USD
View
B+
Retailer 12
-
$825 CAD
A$907 AUD
View
B+
Retailer 13
-
$903 CAD
$645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,087 CAD
$777 USD
View
B
Retailer 15
-
$1,090 CAD
$779 USD
View
B
Retailer 16
-
$1,162 CAD
$830 USD
View
B
Retailer 17
-
$1,589 CAD
£894 GBP
View
B
Retailer 18
-
$1,648 CAD
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
$1,708 CAD
$1,220 USD
View
18 more retailers have this diamond
Prices start from $273 CADSave up to $1,435 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
$273 CAD