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Marquise|Lab Grown|IGI

5.05ct E SI1 Marquise Lab Grown Diamond

GD • E/SI1 • IGI LG650491267

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650491267

Diamond specifications and retailer prices

From $1,116 CAD
$799 USD
As of October 29, 2026
Save $4,381 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,497 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.05ct lab-grown marquise diamond

This 5.05ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG650491267 or 650491267. Listed at 17 retailers as of October 28, 2026, with prices from $1,116 to $5,497, a $4,381 spread on the same certified stone. Rare Carat lists it at $5,497. 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

5.05
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650491267
Dimensions18.59 × 8.92 × 5.37 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.59 mm8.92 mm5.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650491267
Side View
Table 58.0%Crown 32.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,497 CAD|Low: $796 CAD|High: $10,658 CAD|Avg: $3,003 CAD|-9.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$1,116 CAD
Retailer 12$1,157 CAD
Retailer 6$1,425 CAD
Retailer 13$1,794 CAD
Retailer 9$1,845 CAD
Retailer 2$1,855 CAD
Retailer 11$1,877 CAD
Retailer 8$2,850 CAD
Retailer 4$2,882 CAD
Retailer 5$3,775 CAD
Retailer 7$4,568 CAD
Rare Carat$5,497 CAD
Retailer 10$10,658 CAD

43 data points across 13 retailers

17 retailers$1,116 CAD to $5,497 CAD

Retailer 1
-
$957 CAD
$685 USD
Price last confirmed 29 days ago
Retailer 2
-
$1,085 CAD
$777 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
$1,116 CAD
$799 USD
View
Final sale: no returns
Retailer 4
-
$1,141 CAD
$817 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$1,157 CAD
$828 USD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$1,425 CAD
$1,020 USD
View
B+
Retailer 7
-
$1,794 CAD
$1,284 USD
View
B+
Retailer 8
-
$1,855 CAD
£1,046 GBP
View
B
Retailer 9
-
$1,877 CAD
$1,344 USD
View
Retailer 10
-
$2,509 CAD
$1,796 USD
View
Price last confirmed 23 days ago
B
Retailer 11
-
$2,850 CAD
$2,040 USD
View
B
Retailer 12
-
$2,882 CAD
$2,063 USD
View
Retailer 13
-
$3,253 CAD
$2,329 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,775 CAD
$2,702 USD
View
B
Retailer 15
-
$3,989 CAD
$2,855 USD
View
B
Retailer 16
-
$4,568 CAD
£2,575 GBP
View
Most Expensive
B
Rare Carat
LM-0145_l_650491267 · Oct 28
$5,497 CAD
$3,935 USD
View
16 more retailers have this diamond
Prices start from $1,116 CADSave up to $4,381 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.

B+
5.05ct Marquise
$1,116 CAD