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Round|Lab Grown|IGI

1.45ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG756517000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756517000

Diamond specifications and retailer prices

From $318 CAD
$227 USD
As of October 29, 2026
Save $1,473 CAD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,791 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG756517000 or 756517000. Listed at 19 retailers as of October 28, 2026, with prices from $318 to $1,791, a $1,473 spread on the same certified stone. Reve Diamonds lists it at $1,791. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756517000
Dimensions7.28 × 7.32 × 4.43 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
7.28 mm7.32 mm1.45 ctE / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756517000
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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: $734 CAD|Low: $251 CAD|High: $1,791 CAD|Avg: $851 CAD|+7.5%
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
Reve Diamonds
October 29, 2026
Retailer 4$318 CAD
Retailer 9$354 CAD
Retailer 11$368 CAD
Retailer 14$393 CAD
Retailer 15$395 CAD
Retailer 2$670 CAD
Retailer 7$733 CAD
Retailer 1$734 CAD
Retailer 8$744 CAD
Retailer 13$745 CAD
Retailer 12$826 CAD
Retailer 3$1,079 CAD
Retailer 5$1,267 CAD
Retailer 10$1,580 CAD
Retailer 6$1,596 CAD
Reve Diamonds$1,791 CAD

42 data points across 16 retailers

19 retailers$318 CAD to $1,791 CAD

A
Retailer 1
-
$315 CAD
$225 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$318 CAD
$227 USD
View
A
Retailer 3
-
$354 CAD
$253 USD
View
Final sale: no returns
A
Retailer 4
-
$368 CAD
$263 USD
View
B+
Retailer 5
-
$385 CAD
$275 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$393 CAD
$281 USD
View
B+
Retailer 7
-
$395 CAD
$282 USD
View
B+
Retailer 8
-
$670 CAD
$479 USD
View
B+
Retailer 9
-
$733 CAD
$524 USD
View
B+
Retailer 10
-
$734 CAD
£413 GBP
View
B+
Retailer 11
-
$744 CAD
€506 EUR
View
B+
Retailer 12
-
$745 CAD
$532 USD
View
B+
Retailer 13
-
$826 CAD
$590 USD
View
B
Retailer 14
-
$1,079 CAD
$771 USD
View
B
Retailer 15
-
$1,255 CAD
$897 USD
View
Price last confirmed 38 days ago
B
Retailer 16
-
$1,267 CAD
$905 USD
View
B
Retailer 17
-
$1,580 CAD
£889 GBP
View
B
Retailer 18
-
$1,596 CAD
$1,140 USD
View
Most Expensive
C
Reve Diamonds
1D95EE906 · Oct 28
$1,791 CAD
$1,280 USD
View
18 more retailers have this diamond
Prices start from $318 CADSave up to $1,473 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
1.45ct Round
$318 CAD