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Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG652478204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG652478204

Diamond specifications and retailer prices

From $614 CAD
$439 USD
As of October 28, 2026
Save $1,060 CAD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,674 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652478204 or 652478204. Listed at 15 retailers as of October 28, 2026, with prices from $614 to $1,674, a $1,060 spread on the same certified stone. MOH London lists it at $1,674. 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 angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652478204
Dimensions7.71 × 7.66 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.66 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652478204
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

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 28
Current: $1,674 CAD|Low: $357 CAD|High: $1,687 CAD|Avg: $920 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
October 29, 2026
Retailer 8$357 CAD
Retailer 9$614 CAD
Retailer 7$618 CAD
Retailer 4$635 CAD
Retailer 2$654 CAD
Retailer 3$743 CAD
Retailer 11$831 CAD
Retailer 5$1,150 CAD
Retailer 6$1,169 CAD
Retailer 10$1,554 CAD
MOH London$1,674 CAD

37 data points across 11 retailers

15 retailers$614 CAD to $1,674 CAD

A
Retailer 1
-
$287 CAD
$205 USD
Price last confirmed 33 days ago
A
Retailer 2
-
$333 CAD
$238 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$351 CAD
$251 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$357 CAD
$255 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
$614 CAD
$439 USD
View
A
Retailer 6
-
$618 CAD
£348 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$635 CAD
€432 EUR
View
A
Retailer 8
-
$654 CAD
£368 GBP
View
A
Retailer 9
-
$743 CAD
$531 USD
View
B+
Retailer 10
-
$831 CAD
$594 USD
View
B+
Retailer 11
-
$1,146 CAD
$819 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,150 CAD
$822 USD
View
B+
Retailer 13
-
$1,169 CAD
$835 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,554 CAD
$1,110 USD
View
Most Expensive
B
MOH London
LG652478204 · Oct 29
$1,674 CAD
£942 GBP
View
14 more retailers have this diamond
Prices start from $614 CADSave up to $1,060 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
$614 CAD