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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG713511172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG713511172

Diamond specifications and retailer prices

From $272 CAD
$195 USD
As of October 29, 2026
Save $887 CAD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,586 CAD at MOH London · As of October 21, 2026
View at MOH London

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 LG713511172 or 713511172. Listed at 16 retailers as of October 29, 2026, with a 326% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713511172
Dimensions6.95 × 6.99 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.95 mm6.99 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713511172
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

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 29
Current: $1,586 CAD|Low: $261 CAD|High: $1,595 CAD|Avg: $675 CAD|+0.6%
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 30, 2026
Retailer 11$272 CAD
Retailer 14$303 CAD
Retailer 4$316 CAD
Retailer 13$337 CAD
Retailer 12$468 CAD
Retailer 2$546 CAD
Retailer 8$579 CAD
Retailer 7$614 CAD
Retailer 3$684 CAD
Retailer 9$823 CAD
Retailer 6$982 CAD
Retailer 5$1,084 CAD
Retailer 10$1,088 CAD
MOH London$1,586 CAD

46 data points across 14 retailers

16 retailers$272 CAD to $1,159 CAD

A
Cheapest Retailer
-
$272 CAD
$195 USD
A
Retailer 2
-
$303 CAD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$316 CAD
$226 USD
View
A
Retailer 4
-
$337 CAD
$241 USD
View
A
Retailer 5
-
$337 CAD
$241 USD
View
B+
Retailer 6
-
$468 CAD
$335 USD
View
A
Retailer 7
-
$546 CAD
£308 GBP
View
A
Retailer 8
-
$579 CAD
ZAR 6,697 ZAR
View
A
Retailer 9
-
$614 CAD
£346 GBP
View
A
Retailer 10
-
$684 CAD
$490 USD
View
A
Retailer 11
-
$823 CAD
A$906 AUD
View
A
Retailer 12
-
$982 CAD
$703 USD
View
A
Retailer 13
-
$1,084 CAD
$776 USD
View
B+
Retailer 14
-
$1,088 CAD
$779 USD
View
B+
Retailer 15
-
$1,159 CAD
$830 USD
View
Most Expensive
MOH London
LG713511172 · Oct 21
$1,586 CAD
£894 GBP
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $272 CADSave up to $887 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
$272 CAD