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Round|Lab Grown|IGI

1.20ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG602308624

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602308624

Diamond specifications and retailer prices

From €357 EUR
$399 USD
As of November 1, 2026
Save €691 EUR (66%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,048 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602308624 or 602308624. Listed at 2 retailers as of November 1, 2026, with prices from €357 to €1,048, a €691 spread on the same certified stone. MOH London lists it at €1,048. 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

1.20
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602308624
Dimensions6.77 × 6.71 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.77 mm6.71 mm1.20 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602308624
Side View
Table 56.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €1,048 EUR|Low: €331 EUR|High: €1,061 EUR|Avg: €553 EUR|+1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2€357 EUR
Retailer 4€388 EUR
Retailer 5€405 EUR
Retailer 7€472 EUR
Retailer 6€482 EUR
Retailer 3€628 EUR
Retailer 8€649 EUR
MOH London€1,048 EUR

10 data points across 8 retailers

2 retailers€357 EUR to €1,048 EUR

B+
Cheapest Retailer
-
€357 EUR
$399 USD
Most Expensive
B
MOH London
LG602308624 · Nov 1
€1,048 EUR
£922 GBP
View
1 more retailer has this diamond
Prices start from €357 EURSave up to €691 EUR

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.

B+
1.20ct Round
€357 EUR