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Round|Lab Grown|IGI

1.59ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425065844

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065844

Diamond specifications and retailer prices

From $1,587 CAD
$1,130 USD
As of October 28, 2026
Save $5,226 CAD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,813 CAD at MOH London · As of October 27, 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 LG425065844 or 425065844. Listed at 10 retailers as of October 27, 2026, with prices from $1,587 to $6,813, a $5,226 spread on the same certified stone. MOH London lists it at $6,813. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065844
Dimensions7.51 × 7.49 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.51 mm7.49 mm1.59 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065844
Side View
Table 55.5%Crown 35.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.8%

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 28
Current: $6,813 CAD|Low: $1,587 CAD|High: $6,886 CAD|Avg: $3,277 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 27, 2026
Retailer 2$1,587 CAD
Retailer 4$1,986 CAD
Retailer 5$2,044 CAD
Retailer 8$2,451 CAD
Retailer 7$2,923 CAD
Retailer 3$3,352 CAD
Retailer 6$3,947 CAD
Retailer 9$4,741 CAD
MOH London$6,813 CAD

10 data points across 9 retailers

10 retailers$1,587 CAD to $6,813 CAD

A
Cheapest Retailer
-
$1,587 CAD
$1,130 USD
A
Retailer 2
-
$1,826 CAD
$1,300 USD
View
B+
Retailer 3
-
$1,986 CAD
$1,414 USD
View
B+
Retailer 4
-
$2,044 CAD
$1,455 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,118 CAD
$1,508 USD
View
B+
Retailer 6
-
$2,118 CAD
$1,508 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$3,352 CAD
$2,386 USD
View
B
Retailer 8
-
$3,947 CAD
$2,810 USD
View
B
Retailer 9
-
$3,970 CAD
$2,826 USD
View
Most Expensive
B
MOH London
LG425065844 · Oct 27
$6,813 CAD
£3,819 GBP
View
9 more retailers have this diamond
Prices start from $1,587 CADSave up to $5,226 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
$1,587 CAD