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Round|Lab Grown|IGI

1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770641607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641607

Diamond specifications and retailer prices

From $314 CAD
$224 USD
As of October 29, 2026
Save $1,465 CAD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,779 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.43ct lab-grown round diamond

This 1.43ct 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 top-tier cut grade and certified by IGI LG770641607 or 770641607. Listed at 22 retailers as of October 28, 2026, with prices from $314 to $1,779, a $1,465 spread on the same certified stone. Reve Diamonds lists it at $1,779. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.43
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641607
Dimensions7.23 × 7.16 × 4.46 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
7.23 mm7.16 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641607
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $722 CAD|Low: $311 CAD|High: $1,779 CAD|Avg: $807 CAD|+5.2%
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
Retailer 17
Retailer 18
Reve Diamonds
October 29, 2026
Retailer 8$314 CAD
Retailer 11$351 CAD
Retailer 15$364 CAD
Retailer 3$389 CAD
Retailer 4$389 CAD
Retailer 5$662 CAD
Retailer 17$715 CAD
Retailer 1$722 CAD
Retailer 14$736 CAD
Retailer 2$739 CAD
Retailer 13$763 CAD
Retailer 16$790 CAD
Retailer 18$826 CAD
Retailer 6$1,064 CAD
Retailer 9$1,251 CAD
Retailer 7$1,325 CAD
Retailer 10$1,400 CAD
Retailer 12$1,568 CAD
Reve Diamonds$1,779 CAD

33 data points across 19 retailers

22 retailers$314 CAD to $1,779 CAD

Retailer 1
-
$311 CAD
$222 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$314 CAD
$224 USD
View
A
Retailer 3
-
$351 CAD
$251 USD
View
Final sale: no returns
A
Retailer 4
-
$364 CAD
$260 USD
View
Retailer 5
-
$381 CAD
$272 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$389 CAD
$278 USD
View
A
Retailer 7
-
$389 CAD
$278 USD
View
B+
Retailer 8
-
$662 CAD
$473 USD
View
B+
Retailer 9
-
$715 CAD
$511 USD
View
B+
Retailer 10
-
$722 CAD
£406 GBP
View
B+
Retailer 11
-
$736 CAD
€501 EUR
View
B+
Retailer 12
-
$739 CAD
$528 USD
View
B+
Retailer 13
-
$763 CAD
£429 GBP
View
B+
Retailer 14
-
$790 CAD
A$868 AUD
View
B+
Retailer 15
-
$826 CAD
$590 USD
View
B
Retailer 16
-
$1,064 CAD
$760 USD
View
Retailer 17
-
$1,240 CAD
$886 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
$1,251 CAD
$894 USD
View
B
Retailer 19
-
$1,325 CAD
$947 USD
View
B
Retailer 20
-
$1,400 CAD
$1,000 USD
View
B
Retailer 21
-
$1,568 CAD
£882 GBP
View
Most Expensive
B
Reve Diamonds
9E01CE85A · Oct 28
$1,779 CAD
$1,271 USD
View
21 more retailers have this diamond
Prices start from $314 CADSave up to $1,465 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
1.43ct Round
$314 CAD