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Round|Lab Grown|IGI

1.73ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG445036338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036338

Diamond specifications and retailer prices

From $1,344 CAD
$960 USD
As of October 30, 2026
Save $5,237 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,580 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 LG445036338 or 445036338. Listed at 10 retailers as of October 29, 2026, with prices from $1,344 to $6,580, a $5,237 spread on the same certified stone. MOH London lists it at $6,580. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036338
Dimensions7.82 × 7.78 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.82 mm7.78 mm1.73 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036338
Side View
Table 58.5%Crown 32.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.3%

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: $6,580 CAD|Low: $1,344 CAD|High: $6,634 CAD|Avg: $3,421 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,344 CAD
Retailer 4$2,150 CAD
Retailer 5$2,213 CAD
Retailer 8$2,551 CAD
Retailer 7$3,137 CAD
Retailer 3$3,617 CAD
Retailer 6$4,160 CAD
Retailer 9$5,131 CAD
MOH London$6,580 CAD

13 data points across 9 retailers

10 retailers$1,344 CAD to $6,580 CAD

A
Cheapest Retailer
-
$1,344 CAD
$960 USD
B+
Retailer 2
-
$1,976 CAD
$1,412 USD
View
B+
Retailer 3
-
$2,150 CAD
$1,536 USD
View
B+
Retailer 4
-
$2,213 CAD
$1,581 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,293 CAD
$1,638 USD
View
Retailer 6
-
$2,293 CAD
$1,638 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,617 CAD
$2,584 USD
View
B
Retailer 8
-
$4,160 CAD
$2,972 USD
View
B
Retailer 9
-
$4,295 CAD
$3,069 USD
View
Most Expensive
B
MOH London
LG445036338 · Oct 29
$6,580 CAD
£3,702 GBP
View
9 more retailers have this diamond
Prices start from $1,344 CADSave up to $5,237 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
$1,344 CAD