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Round|Lab Grown|IGI

1.42ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG586363721

Shape and cutting style on the report: Round brilliant

Certificate IGI LG586363721

Diamond specifications and retailer prices

From $175 USD
As of October 29, 2026
Save $950 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,125 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG586363721 or 586363721. Listed at 9 retailers as of October 29, 2026, with prices from $175 to $1,125, a $950 spread on the same certified stone. MOH London lists it at $1,125. 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

1.42
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586363721
Dimensions7.30 × 7.26 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.30 mm7.26 mm1.42 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586363721
Side View
Table 56.0%Crown 33.9°Girdle: THN-MEDPavilion 41°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: $1,125 USD|Low: $175 USD|High: $1,133 USD|Avg: $560 USD|+4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$175 USD
Retailer 7$189 USD
Retailer 5$386 USD
Retailer 8$421 USD
Retailer 4$630 USD
Retailer 6$698 USD
Retailer 2$737 USD
MOH London$1,125 USD

18 data points across 8 retailers

9 retailers$175 USD to $1,125 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$189 USD
View
Final sale: no returns
A
Retailer 3
-
$203 USD
View
B+
Retailer 4
-
$386 USD
View
B+
Retailer 5
-
$630 USD
View
B+
Retailer 6
-
$698 USD
View
Retailer 7
-
$737 USD
View
Price last confirmed 7 days ago
B
Retailer 8
-
$770 USD
View
Most Expensive
B
MOH London
LG586363721 · Oct 29
$1,125 USD
£886 GBP
View
8 more retailers have this diamond
Prices start from $175 USDSave up to $950 USD

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
1.42ct Round
$175 USD