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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG803675180

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803675180

Diamond specifications and retailer prices

From $511 CAD
$365 USD
As of October 28, 2026
Save $4,094 CAD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,605 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG803675180 or 803675180. Listed at 22 retailers as of October 28, 2026, with prices from $511 to $4,605, a $4,094 spread on the same certified stone. Brilliant Earth lists it at $4,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803675180
Dimensions7.84 × 7.77 × 4.81 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
7.84 mm7.77 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803675180
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.6%

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 28
Current: $4,605 CAD|Low: $511 CAD|High: $4,605 CAD|Avg: $1,616 CAD
Brilliant Earth
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
October 30, 2026
Retailer 7$511 CAD
Retailer 4$798 CAD
Retailer 13$798 CAD
Retailer 10$918 CAD
Retailer 12$973 CAD
Retailer 2$1,010 CAD
Retailer 5$1,048 CAD
Retailer 9$1,281 CAD
Retailer 11$1,320 CAD
Retailer 16$1,661 CAD
Retailer 17$1,695 CAD
Retailer 8$1,883 CAD
Retailer 3$1,985 CAD
Retailer 6$2,235 CAD
Retailer 14$2,273 CAD
Retailer 15$3,604 CAD
Brilliant Earth$4,605 CAD

38 data points across 17 retailers

22 retailers$511 CAD to $4,605 CAD

Retailer 1
-
$456 CAD
$326 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$511 CAD
$365 USD
View
Final sale: no returns
Retailer 3
-
$567 CAD
$405 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$567 CAD
$405 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$798 CAD
$570 USD
View
A
Retailer 6
-
$798 CAD
$570 USD
View
A
Retailer 7
-
$918 CAD
€625 EUR
View
A
Retailer 8
-
$973 CAD
ZAR 11,234 ZAR
View
A
Retailer 9
-
$1,010 CAD
£568 GBP
View
A
Retailer 10
-
$1,048 CAD
$749 USD
View
A
Retailer 11
-
$1,281 CAD
$915 USD
View
A
Retailer 12
-
$1,320 CAD
A$1,451 AUD
View
B+
Retailer 13
-
$1,661 CAD
$1,187 USD
View
B+
Retailer 14
-
$1,695 CAD
$1,211 USD
View
Retailer 15
-
$1,821 CAD
$1,301 USD
View
Price last confirmed 22 days ago
B+
Retailer 16
-
$1,883 CAD
$1,345 USD
View
B+
Retailer 17
-
$1,985 CAD
$1,418 USD
View
B+
Retailer 18
-
$2,140 CAD
$1,529 USD
View
B+
Retailer 19
-
$2,235 CAD
$1,597 USD
View
B+
Retailer 20
-
$2,273 CAD
£1,279 GBP
View
B
Retailer 21
-
$3,604 CAD
$2,575 USD
View
Most Expensive
B
Brilliant Earth
20269441A · Oct 29
$4,605 CAD
$3,290 USD
View
21 more retailers have this diamond
Prices start from $511 CADSave up to $4,094 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
1.81ct Round
$511 CAD