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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG813657649

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

Certificate IGI LG813657649

Diamond specifications and retailer prices

From $312 CAD
$223 USD
As of October 27, 2026
Save $1,320 CAD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,632 CAD at MOH London · As of October 29, 2026
View at MOH London

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 LG813657649 or 813657649. Listed at 21 retailers as of October 27, 2026, with prices from $312 to $1,632, a $1,320 spread on the same certified stone. MOH London lists it at $1,632. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813657649
Dimensions7.30 × 5.46 × 3.72 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.46 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813657649
Side View
Table 67.0%Crown 25.6°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 68.1%

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 27
Current: $1,632 CAD|Low: $304 CAD|High: $1,634 CAD|Avg: $828 CAD|+3.5%
MOH London
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
October 29, 2026
Retailer 5$312 CAD
Retailer 10$347 CAD
Retailer 8$596 CAD
Retailer 4$603 CAD
Retailer 13$608 CAD
Retailer 2$634 CAD
Retailer 6$672 CAD
Retailer 14$798 CAD
Retailer 9$848 CAD
Retailer 11$896 CAD
Retailer 12$924 CAD
Retailer 3$1,190 CAD
Retailer 7$1,358 CAD
MOH London$1,632 CAD

40 data points across 14 retailers

21 retailers$312 CAD to $1,632 CAD

A
Retailer 1
-
$272 CAD
$194 USD
Price last confirmed 29 days ago
A
Retailer 2
-
$279 CAD
$199 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$312 CAD
$223 USD
View
Final sale: no returns
A
Retailer 4
-
$315 CAD
$225 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$333 CAD
$238 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$346 CAD
$247 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$346 CAD
$247 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$596 CAD
ZAR 6,878 ZAR
View
A
Retailer 9
-
$603 CAD
$431 USD
View
A
Retailer 10
-
$608 CAD
€414 EUR
View
A
Retailer 11
-
$634 CAD
£357 GBP
View
A
Retailer 12
-
$672 CAD
$480 USD
View
B+
Retailer 13
-
$798 CAD
$570 USD
View
B+
Retailer 14
-
$848 CAD
A$932 AUD
View
B+
Retailer 15
-
$896 CAD
$640 USD
View
B+
Retailer 16
-
$924 CAD
$660 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$1,110 CAD
$793 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$1,115 CAD
$797 USD
View
B
Retailer 19
-
$1,190 CAD
$851 USD
View
B
Retailer 20
-
$1,358 CAD
$970 USD
View
Most Expensive
B
MOH London
LG813657649 · Oct 29
$1,632 CAD
£918 GBP
View
20 more retailers have this diamond
Prices start from $312 CADSave up to $1,320 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
$312 CAD