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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG819605837

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819605837

Diamond specifications and retailer prices

From $268 CAD
$192 USD
As of October 29, 2026
Save $1,366 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,634 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG819605837 or 819605837. Listed at 17 retailers as of October 29, 2026, with prices from $268 to $1,634, a $1,366 spread on the same certified stone. Reve Diamonds lists it at $1,634. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819605837
Dimensions6.97 × 7.02 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm7.02 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819605837
Side View
Table 57.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.5%

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 29
Current: $540 CAD|Low: $268 CAD|High: $1,685 CAD|Avg: $815 CAD|-0.6%
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
Retailer 16
Reve Diamonds
October 30, 2026
Retailer 14$268 CAD
Retailer 2$299 CAD
Retailer 12$312 CAD
Retailer 3$334 CAD
Retailer 4$334 CAD
Retailer 5$464 CAD
Retailer 1$540 CAD
Retailer 10$573 CAD
Retailer 9$605 CAD
Retailer 6$680 CAD
Retailer 11$814 CAD
Retailer 7$981 CAD
Retailer 15$1,071 CAD
Retailer 13$1,076 CAD
Retailer 8$1,147 CAD
Retailer 16$1,566 CAD
Reve Diamonds$1,634 CAD

43 data points across 17 retailers

17 retailers$268 CAD to $1,634 CAD

A
Cheapest Retailer
-
$268 CAD
$192 USD
A
Retailer 2
-
$299 CAD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$312 CAD
$223 USD
View
A
Retailer 4
-
$334 CAD
$239 USD
View
A
Retailer 5
-
$334 CAD
$239 USD
View
B+
Retailer 6
-
$464 CAD
$332 USD
View
A
Retailer 7
-
$540 CAD
£304 GBP
View
A
Retailer 8
-
$573 CAD
ZAR 6,621 ZAR
View
A
Retailer 9
-
$605 CAD
£341 GBP
View
A
Retailer 10
-
$680 CAD
$487 USD
View
A
Retailer 11
-
$814 CAD
A$896 AUD
View
A
Retailer 12
-
$981 CAD
$702 USD
View
A
Retailer 13
-
$1,071 CAD
$767 USD
View
A
Retailer 14
-
$1,076 CAD
$770 USD
View
B+
Retailer 15
-
$1,147 CAD
$821 USD
View
B+
Retailer 16
-
$1,566 CAD
£883 GBP
View
Most Expensive
B+
Reve Diamonds
96EC1F431 · Oct 30
$1,634 CAD
$1,170 USD
View
16 more retailers have this diamond
Prices start from $268 CADSave up to $1,366 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 Round
$268 CAD