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Emerald|Lab Grown|IGI

0.51ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG553217872

Shape and cutting style on the report: Emerald cut

Certificate IGI LG553217872

Diamond specifications and retailer prices

From $145 CAD
As of November 6, 2026
Save $501 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,658 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 0.51ct lab-grown emerald diamond

This 0.51ct lab-grown emerald sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG553217872 or 553217872. Listed at 15 retailers as of November 4, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.51
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553217872
Dimensions5.46 × 3.88 × 2.44 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.46 mm3.88 mm0.51 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG553217872
Side View
Table 70.0%Crown 32.7°Girdle: MediumPavilion 36.4°Culet: LNGDepth 62.9%

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: Nov 6
Current: $1,658 CAD|Low: $140 CAD|High: $1,683 CAD|Avg: $462 CAD|-0.3%
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
Retailer 15
November 6, 2026
Retailer 14$145 CAD
Retailer 10$162 CAD
Retailer 8$169 CAD
Retailer 3$193 CAD
Retailer 6$193 CAD
Retailer 9$230 CAD
Retailer 4$362 CAD
Retailer 2$401 CAD
Retailer 12$480 CAD
Retailer 15$486 CAD
Retailer 7$503 CAD
Retailer 5$641 CAD
Retailer 11$644 CAD
Retailer 13$647 CAD
MOH London$1,658 CAD

45 data points across 15 retailers

15 retailers$145 CAD to $647 CAD

B+
Cheapest Retailer
-
$145 CAD
B+
Retailer 2
-
$162 CAD
View
Final sale: no returns
B+
Retailer 3
-
$169 CAD
View
B+
Retailer 4
-
$193 CAD
View
Retailer 5
-
$193 CAD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$230 CAD
View
B
Retailer 7
-
$362 CAD
View
B
Retailer 8
-
$401 CAD
View
B
Retailer 9
-
$480 CAD
View
B
Retailer 10
-
$486 CAD
View
B
Retailer 11
-
$503 CAD
View
B
Retailer 12
-
$641 CAD
View
C
Retailer 13
-
$644 CAD
View
B
Retailer 14
-
$647 CAD
View
Most Expensive
MOH London
LG553217872 · Nov 5
$1,658 CAD
£935 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $145 CADSave up to $501 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+
0.51ct Emerald
$145 CAD