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Round|Lab Grown|IGI

1.59ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG436046774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046774

Diamond specifications and retailer prices

From $1,380 CAD
As of November 5, 2026
Save $4,035 CAD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,415 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.59ct lab-grown round diamond

This 1.59ct 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 LG436046774 or 436046774. Listed at 10 retailers as of November 5, 2026, with prices from $1,380 to $5,415, a $4,035 spread on the same certified stone. MOH London lists it at $5,415. 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

1.59
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046774
Dimensions7.65 × 7.68 × 4.48 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
7.65 mm7.68 mm1.59 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046774
Side View
Table 58.5%Crown 32.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.4%

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: $5,415 CAD|Low: $1,325 CAD|High: $5,502 CAD|Avg: $2,728 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$1,380 CAD
Retailer 6$1,601 CAD
Retailer 8$1,601 CAD
Retailer 2$1,750 CAD
Retailer 3$1,844 CAD
Retailer 9$2,341 CAD
Retailer 7$2,560 CAD
Retailer 4$3,451 CAD
Retailer 10$4,582 CAD
MOH London$5,415 CAD

39 data points across 10 retailers

10 retailers$1,380 CAD to $5,415 CAD

A
Cheapest Retailer
-
$1,380 CAD
A
Retailer 2
-
$1,501 CAD
View
A
Retailer 3
-
$1,601 CAD
View
Retailer 4
-
$1,601 CAD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,750 CAD
View
B+
Retailer 6
-
$1,844 CAD
View
B
Retailer 7
-
$2,560 CAD
View
B
Retailer 8
-
$3,001 CAD
View
B
Retailer 9
-
$3,451 CAD
View
Most Expensive
B
MOH London
LG436046774 · Nov 5
$5,415 CAD
£3,053 GBP
View
9 more retailers have this diamond
Prices start from $1,380 CADSave up to $4,035 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
1.59ct Round
$1,380 CAD