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1.35ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG451057295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057295

Diamond specifications and retailer prices

From $750 CAD
As of November 5, 2026
Save $3,136 CAD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,886 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057295 or 451057295. Listed at 10 retailers as of November 1, 2026, with prices from $750 to $3,886, a $3,136 spread on the same certified stone. MOH London lists it at $3,886. 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

1.35
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057295
Dimensions7.04 × 7.06 × 4.41 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.04 mm7.06 mm1.35 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057295
Side View
Table 59.5%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.6%

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: $3,886 CAD|Low: $721 CAD|High: $3,932 CAD|Avg: $1,732 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$750 CAD
Retailer 6$930 CAD
Retailer 8$930 CAD
Retailer 3$1,117 CAD
Retailer 2$1,286 CAD
Retailer 7$1,440 CAD
Retailer 4$2,402 CAD
Retailer 9$2,493 CAD
MOH London$3,886 CAD

38 data points across 9 retailers

10 retailers$750 CAD to $3,886 CAD

A
Cheapest Retailer
-
$750 CAD
A
Retailer 2
-
$841 CAD
View
Retailer 3
-
$930 CAD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$930 CAD
View
B+
Retailer 5
-
$1,117 CAD
View
B+
Retailer 6
-
$1,286 CAD
View
B+
Retailer 7
-
$1,440 CAD
View
B
Retailer 8
-
$2,402 CAD
View
B
Retailer 9
-
$2,448 CAD
View
Most Expensive
B
MOH London
LG451057295 · Nov 1
$3,886 CAD
£2,191 GBP
View
9 more retailers have this diamond
Prices start from $750 CADSave up to $3,136 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
1.35ct Round
$750 CAD