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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG817672940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817672940

Diamond specifications and retailer prices

From $292 CAD
$209 USD
As of October 29, 2026
Save $2,516 CAD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,808 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG817672940 or 817672940. Listed at 16 retailers as of October 29, 2026, with prices from $292 to $2,808, a $2,516 spread on the same certified stone. Do Amore Diamonds lists it at $2,808. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817672940
Dimensions6.86 × 6.95 × 4.35 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
6.86 mm6.95 mm1.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817672940
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.8%

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: $2,808 CAD|Low: $292 CAD|High: $2,808 CAD|Avg: $1,044 CAD
Do Amore Diamonds
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
October 30, 2026
Retailer 15$292 CAD
Retailer 13$327 CAD
Retailer 14$339 CAD
Retailer 6$451 CAD
Retailer 7$504 CAD
Retailer 2$647 CAD
Retailer 9$663 CAD
Retailer 5$705 CAD
Retailer 12$976 CAD
Retailer 8$1,122 CAD
Retailer 16$1,169 CAD
Retailer 11$1,285 CAD
Retailer 3$1,606 CAD
Retailer 10$1,648 CAD
Retailer 4$2,263 CAD
Do Amore Diamonds$2,808 CAD

7 data points across 16 retailers

16 retailers$292 CAD to $2,808 CAD

A
Cheapest Retailer
-
$292 CAD
$209 USD
A
Retailer 2
-
$327 CAD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$339 CAD
$243 USD
View
A
Retailer 4
-
$451 CAD
$323 USD
View
B+
Retailer 5
-
$504 CAD
$361 USD
View
A
Retailer 6
-
$647 CAD
£365 GBP
View
A
Retailer 7
-
$663 CAD
€452 EUR
View
A
Retailer 8
-
$705 CAD
$505 USD
View
A
Retailer 9
-
$976 CAD
A$1,075 AUD
View
B+
Retailer 10
-
$1,122 CAD
$803 USD
View
B+
Retailer 11
-
$1,169 CAD
$837 USD
View
B+
Retailer 12
-
$1,285 CAD
$920 USD
View
B+
Retailer 13
-
$1,606 CAD
£905 GBP
View
B+
Retailer 14
-
$1,648 CAD
$1,180 USD
View
B
Retailer 15
-
$2,263 CAD
$1,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-873C8725E · Oct 29
$2,808 CAD
$2,010 USD
View
15 more retailers have this diamond
Prices start from $292 CADSave up to $2,516 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
$292 CAD