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Round|Lab Grown|IGI

1.83ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG447098250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447098250

Diamond specifications and retailer prices

From $1,582 CAD
As of November 5, 2026
Save $4,301 CAD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,883 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct lab-grown round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098250 or 447098250. Listed at 10 retailers as of November 5, 2026, with prices from $1,582 to $5,883, a $4,301 spread on the same certified stone. MOH London lists it at $5,883. 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

1.83
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098250
Dimensions7.74 × 7.81 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
7.74 mm7.81 mm1.83 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098250
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,883 CAD|Low: $1,520 CAD|High: $5,977 CAD|Avg: $2,831 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,582 CAD
Retailer 5$1,837 CAD
Retailer 7$1,837 CAD
Retailer 2$2,008 CAD
Retailer 3$2,081 CAD
Retailer 9$2,638 CAD
Retailer 6$2,920 CAD
Retailer 8$3,617 CAD
MOH London$5,883 CAD

41 data points across 9 retailers

10 retailers$1,582 CAD to $5,883 CAD

A
Cheapest Retailer
-
$1,582 CAD
A
Retailer 2
-
$1,722 CAD
View
Retailer 3
-
$1,837 CAD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,837 CAD
View
A
Retailer 5
-
$2,008 CAD
View
B+
Retailer 6
-
$2,081 CAD
View
B+
Retailer 7
-
$2,920 CAD
View
B
Retailer 8
-
$3,441 CAD
View
B
Retailer 9
-
$3,617 CAD
View
Most Expensive
B
MOH London
LG447098250 · Nov 5
$5,883 CAD
£3,317 GBP
View
9 more retailers have this diamond
Prices start from $1,582 CADSave up to $4,301 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
1.83ct Round
$1,582 CAD