CaratHunter
Plans
Round|Lab Grown|IGI

1.09ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG497157623

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497157623

Diamond specifications and retailer prices

From $613 CAD
As of November 5, 2026
Save $2,182 CAD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,795 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497157623 or 497157623. Listed at 10 retailers as of November 3, 2026, with prices from $613 to $2,795, a $2,182 spread on the same certified stone. MOH London lists it at $2,795. 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

1.09
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497157623
Dimensions6.66 × 6.69 × 4.04 mm
L/W Ratio1.00
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
6.66 mm6.69 mm1.09 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497157623
Side View
Table 58.0%Crown 33.2°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 60.5%

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: Nov 5
Current: $2,795 CAD|Low: $589 CAD|High: $2,829 CAD|Avg: $1,396 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$613 CAD
Retailer 6$761 CAD
Retailer 8$761 CAD
Retailer 3$964 CAD
Retailer 2$1,052 CAD
Retailer 7$1,194 CAD
Retailer 9$1,338 CAD
Retailer 4$2,046 CAD
MOH London$2,795 CAD

40 data points across 9 retailers

10 retailers$613 CAD to $2,795 CAD

A
Cheapest Retailer
-
$613 CAD
A
Retailer 2
-
$687 CAD
View
A
Retailer 3
-
$761 CAD
View
Retailer 4
-
$761 CAD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$964 CAD
View
A
Retailer 6
-
$1,052 CAD
View
B+
Retailer 7
-
$1,194 CAD
View
B
Retailer 8
-
$2,046 CAD
View
B
Retailer 9
-
$2,445 CAD
View
Most Expensive
B
MOH London
LG497157623 · Nov 3
$2,795 CAD
£1,576 GBP
View
9 more retailers have this diamond
Prices start from $613 CADSave up to $2,182 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
1.09ct Round
$613 CAD