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1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG847655692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847655692

Diamond specifications and retailer prices

From $657 CAD
€447 EUR
As of October 27, 2026
Save $902 CAD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,559 CAD at MOH London · As of October 25, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG847655692 or 847655692. Listed at 7 retailers as of October 25, 2026, with prices from $657 to $1,559, a $902 spread on the same certified stone. MOH London lists it at $1,559. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847655692
Dimensions7.80 × 7.75 × 4.70 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847655692
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.4%

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 27
Current: $1,559 CAD|Low: $651 CAD|High: $1,566 CAD|Avg: $932 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 3$657 CAD
Retailer 6$662 CAD
Retailer 4$686 CAD
Retailer 2$771 CAD
Retailer 5$861 CAD
Retailer 7$1,176 CAD
MOH London$1,559 CAD

8 data points across 7 retailers

7 retailers$657 CAD to $1,559 CAD

A
Cheapest Retailer
-
$657 CAD
€447 EUR
B+
Retailer 2
-
$662 CAD
$473 USD
View
A
Retailer 3
-
$686 CAD
£386 GBP
View
A
Retailer 4
-
$771 CAD
$551 USD
View
B+
Retailer 5
-
$861 CAD
$615 USD
View
B
Retailer 6
-
$1,176 CAD
$840 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG847655692 · Oct 25
$1,559 CAD
£877 GBP
View
6 more retailers have this diamond
Prices start from $657 CADSave up to $902 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
1.73ct Round
$657 CAD