Marquise|Lab Grown|IGI

0.55ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG826605597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826605597

Diamond specifications and retailer prices

From $126 CAD
$90 USD
As of October 30, 2026
Save $1,029 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,155 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown marquise diamond

This 0.55ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826605597 or 826605597. Listed at 14 retailers as of October 29, 2026, with prices from $126 to $1,155, a $1,029 spread on the same certified stone. MOH London lists it at $1,155. 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

0.55
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826605597
Dimensions9.60 × 3.87 × 2.60 mm
L/W Ratio2.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm3.87 mm0.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826605597
Side View
Table 62.0%Crown 36.2°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 67.2%

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 30
Current: $1,155 CAD|Low: $99 CAD|High: $1,162 CAD|Avg: $348 CAD|+0.5%
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$126 CAD
Retailer 6$141 CAD
Retailer 14$147 CAD
Retailer 3$167 CAD
Retailer 12$167 CAD
Retailer 5$213 CAD
Retailer 9$231 CAD
Retailer 2$291 CAD
Retailer 8$294 CAD
Retailer 7$378 CAD
Retailer 4$484 CAD
Retailer 13$502 CAD
Retailer 10$560 CAD
MOH London$1,155 CAD

46 data points across 14 retailers

14 retailers$126 CAD to $1,155 CAD

A
Cheapest Retailer
-
$126 CAD
$90 USD
A
Retailer 2
-
$141 CAD
$101 USD
View
Final sale: no returns
A
Retailer 3
-
$147 CAD
$105 USD
View
A
Retailer 4
-
$167 CAD
$119 USD
View
A
Retailer 5
-
$167 CAD
$119 USD
View
B+
Retailer 6
-
$213 CAD
$152 USD
View
A
Retailer 7
-
$231 CAD
$165 USD
View
A
Retailer 8
-
$291 CAD
£163 GBP
View
A
Retailer 9
-
$294 CAD
€200 EUR
View
B+
Retailer 10
-
$378 CAD
£212 GBP
View
B
Retailer 11
-
$484 CAD
$346 USD
View
B+
Retailer 12
-
$502 CAD
$359 USD
View
B
Retailer 13
-
$560 CAD
$400 USD
View
Most Expensive
B
MOH London
LG826605597 · Oct 29
$1,155 CAD
£650 GBP
View
13 more retailers have this diamond
Prices start from $126 CADSave up to $1,029 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
0.55ct Marquise
$126 CAD