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Round|Lab Grown|IGI

1.80ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG492113577

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492113577

Diamond specifications and retailer prices

From $1,557 CAD
As of November 5, 2026
Save $4,232 CAD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,789 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.8ct lab-grown round diamond

This 1.8ct 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 LG492113577 or 492113577. Listed at 9 retailers as of November 5, 2026, with prices from $1,557 to $5,789, a $4,232 spread on the same certified stone. MOH London lists it at $5,789. 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

1.80
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492113577
Dimensions7.82 × 7.77 × 4.82 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
7.82 mm7.77 mm1.80 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492113577
Side View
Table 54.0%Crown 34.8°Girdle: MediumPavilion 40.1°Culet: NoneDepth 61.8%

Caratlytics Score

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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: $5,789 CAD|Low: $1,557 CAD|High: $5,874 CAD|Avg: $3,129 CAD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$1,557 CAD
Retailer 4$1,806 CAD
Retailer 2$2,046 CAD
Retailer 7$2,600 CAD
Retailer 8$2,666 CAD
Retailer 5$2,873 CAD
Retailer 6$3,665 CAD
MOH London$5,789 CAD

14 data points across 8 retailers

9 retailers$1,557 CAD to $5,789 CAD

A
Cheapest Retailer
-
$1,557 CAD
A
Retailer 2
-
$1,694 CAD
View
Retailer 3
-
$1,806 CAD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,806 CAD
View
B+
Retailer 5
-
$2,046 CAD
View
B+
Retailer 6
-
$2,873 CAD
View
B
Retailer 7
-
$3,387 CAD
View
B
Retailer 8
-
$3,665 CAD
View
Most Expensive
B
MOH London
LG492113577 · Nov 5
$5,789 CAD
£3,264 GBP
View
8 more retailers have this diamond
Prices start from $1,557 CADSave up to $4,232 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
1.80ct Round
$1,557 CAD