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Round|Lab Grown|IGI

1.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG825658780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825658780

Diamond specifications and retailer prices

From $279 CAD
$200 USD
As of October 29, 2026
Save $1,347 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,627 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825658780 or 825658780. Listed at 14 retailers as of October 29, 2026, with prices from $279 to $1,627, a $1,347 spread on the same certified stone. MOH London lists it at $1,627. 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

1.58
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658780
Dimensions7.53 × 7.47 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.47 mm1.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658780
Side View
Table 57.0%Crown 35.2°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 61.1%

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: Oct 29
Current: $1,627 CAD|Low: $279 CAD|High: $1,637 CAD|Avg: $858 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$279 CAD
Retailer 9$346 CAD
Retailer 2$578 CAD
Retailer 10$602 CAD
Retailer 4$633 CAD
Retailer 11$686 CAD
Retailer 6$894 CAD
Retailer 5$999 CAD
Retailer 3$1,187 CAD
Retailer 8$1,257 CAD
MOH London$1,627 CAD

42 data points across 11 retailers

14 retailers$279 CAD to $1,627 CAD

A
Cheapest Retailer
-
$279 CAD
$200 USD
A
Retailer 2
-
$324 CAD
$232 USD
View
A
Retailer 3
-
$346 CAD
$248 USD
View
A
Retailer 4
-
$346 CAD
$248 USD
View
A
Retailer 5
-
$578 CAD
€394 EUR
View
B+
Retailer 6
-
$602 CAD
$431 USD
View
A
Retailer 7
-
$633 CAD
£357 GBP
View
A
Retailer 8
-
$686 CAD
$491 USD
View
B+
Retailer 9
-
$894 CAD
$640 USD
View
B+
Retailer 10
-
$999 CAD
$715 USD
View
B+
Retailer 11
-
$1,112 CAD
$796 USD
View
B
Retailer 12
-
$1,187 CAD
$850 USD
View
B
Retailer 13
-
$1,257 CAD
$900 USD
View
Most Expensive
B
MOH London
LG825658780 · Oct 29
$1,627 CAD
£917 GBP
View
13 more retailers have this diamond
Prices start from $279 CADSave up to $1,347 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
1.58ct Round
$279 CAD