CaratHunter
Plans
Emerald|Lab Grown|IGI

1.73ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG508156151

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508156151

Diamond specifications and retailer prices

From $1,899 CAD
As of November 4, 2026
Save $5,720 CAD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,620 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.73ct lab-grown emerald diamond

This 1.73ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156151 or 508156151. Listed at 11 retailers as of November 3, 2026, with prices from $1,899 to $7,620, a $5,720 spread on the same certified stone. MOH London lists it at $7,620. 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

1.73
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle17.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156151
Dimensions8.21 × 5.87 × 3.66 mm
L/W Ratio1.40
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
8.21 mm5.87 mm1.73 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156151
Side View
Table 65.5%Crown 17.5°Girdle: MED-STKPavilion 35°Culet: LNGDepth 62.4%

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 4
Current: $7,620 CAD|Low: $1,899 CAD|High: $7,721 CAD|Avg: $3,804 CAD
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
November 1, 2026
Retailer 8$1,899 CAD
Retailer 7$2,300 CAD
Retailer 13$2,503 CAD
Retailer 14$2,575 CAD
Retailer 9$2,668 CAD
Retailer 12$2,668 CAD
Retailer 3$2,905 CAD
Retailer 6$2,916 CAD
Retailer 4$3,584 CAD
Retailer 10$4,193 CAD
Retailer 2$4,600 CAD
Retailer 11$5,001 CAD
MOH London$7,620 CAD
Retailer 5$7,638 CAD

16 data points across 14 retailers

11 retailers$1,899 CAD to $7,620 CAD

B+
Cheapest Retailer
-
$1,899 CAD
B+
Retailer 2
-
$2,300 CAD
View
B
Retailer 3
-
$2,503 CAD
View
B
Retailer 4
-
$2,575 CAD
View
Final sale: no returns
B
Retailer 5
-
$2,668 CAD
View
Retailer 6
-
$2,668 CAD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,905 CAD
View
B
Retailer 8
-
$4,193 CAD
View
B
Retailer 9
-
$4,600 CAD
View
B
Retailer 10
-
$5,001 CAD
View
Most Expensive
B
MOH London
LG508156151 · Nov 3
$7,620 CAD
£4,296 GBP
View
10 more retailers have this diamond
Prices start from $1,899 CADSave up to $5,720 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+
1.73ct Emerald
$1,899 CAD