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Round|Lab Grown|IGI

1.59ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436045603

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436045603

Diamond specifications and retailer prices

From $1,582 CAD
$1,130 USD
As of October 29, 2026
Save $5,235 CAD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,817 CAD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045603 or 436045603. Listed at 10 retailers as of October 29, 2026, with prices from $1,582 to $6,817, a $5,235 spread on the same certified stone. MOH London lists it at $6,817. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045603
Dimensions7.41 × 7.47 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.41 mm7.47 mm1.59 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045603
Side View
Table 61.5%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

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: Oct 29
Current: $6,817 CAD|Low: $1,582 CAD|High: $6,861 CAD|Avg: $3,377 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$1,582 CAD
Retailer 4$1,979 CAD
Retailer 5$2,038 CAD
Retailer 7$2,913 CAD
Retailer 3$3,339 CAD
Retailer 6$3,933 CAD
Retailer 8$4,723 CAD
MOH London$6,817 CAD

11 data points across 8 retailers

10 retailers$1,582 CAD to $6,817 CAD

A
Cheapest Retailer
-
$1,582 CAD
$1,130 USD
B+
Retailer 2
-
$1,819 CAD
$1,300 USD
View
B+
Retailer 3
-
$1,979 CAD
$1,414 USD
View
B+
Retailer 4
-
$2,038 CAD
$1,456 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,111 CAD
$1,508 USD
View
B+
Retailer 6
-
$2,111 CAD
$1,508 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$3,339 CAD
$2,386 USD
View
B
Retailer 8
-
$3,933 CAD
$2,810 USD
View
B
Retailer 9
-
$3,955 CAD
$2,826 USD
View
Most Expensive
B
MOH London
LG436045603 · Oct 29
$6,817 CAD
£3,835 GBP
View
9 more retailers have this diamond
Prices start from $1,582 CADSave up to $5,235 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
$1,582 CAD