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Round|Lab Grown|IGI

1.73ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG494174661

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494174661

Diamond specifications and retailer prices

From $1,341 CAD
$960 USD
As of October 30, 2026
Save $5,227 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,568 CAD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494174661 or 494174661. Listed at 10 retailers as of October 29, 2026, with prices from $1,341 to $6,568, a $5,227 spread on the same certified stone. MOH London lists it at $6,568. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494174661
Dimensions7.67 × 7.73 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.67 mm7.73 mm1.73 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494174661
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.3%

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: $6,568 CAD|Low: $1,341 CAD|High: $6,621 CAD|Avg: $3,733 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,341 CAD
Retailer 4$2,208 CAD
Retailer 6$3,130 CAD
Retailer 3$3,610 CAD
Retailer 5$4,152 CAD
Retailer 7$5,121 CAD
MOH London$6,568 CAD

13 data points across 7 retailers

10 retailers$1,341 CAD to $6,568 CAD

A
Cheapest Retailer
-
$1,341 CAD
$960 USD
A
Retailer 2
-
$1,972 CAD
$1,412 USD
View
B+
Retailer 3
-
$2,146 CAD
$1,536 USD
View
B+
Retailer 4
-
$2,208 CAD
$1,581 USD
View
Final sale: no returns
Retailer 5
-
$2,288 CAD
$1,638 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$2,288 CAD
$1,638 USD
View
B
Retailer 7
-
$3,610 CAD
$2,584 USD
View
B
Retailer 8
-
$4,152 CAD
$2,972 USD
View
B
Retailer 9
-
$4,287 CAD
$3,069 USD
View
Most Expensive
B
MOH London
LG494174661 · Oct 29
$6,568 CAD
£3,702 GBP
View
9 more retailers have this diamond
Prices start from $1,341 CADSave up to $5,227 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
$1,341 CAD