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Round|Lab Grown|IGI

1.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG843605391

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843605391

Diamond specifications and retailer prices

From €126 EUR
$141 USD
As of November 1, 2026
Save €607 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €733 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct 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 LG843605391 or 843605391. Listed at 15 retailers as of October 29, 2026, with prices from €126 to €733, a €607 spread on the same certified stone. MOH London lists it at €733. 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

1.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843605391
Dimensions6.46 × 6.48 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.48 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843605391
Side View
Table 59.0%Crown 33.4°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.0%

Caratlytics Score

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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: Nov 1
Current: €733 EUR|Low: €126 EUR|High: €748 EUR|Avg: €347 EUR|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 14€126 EUR
Retailer 13€145 EUR
Retailer 7€156 EUR
Retailer 12€156 EUR
Retailer 5€243 EUR
Retailer 2€266 EUR
Retailer 8€273 EUR
Retailer 10€277 EUR
Retailer 6€291 EUR
Retailer 9€348 EUR
Retailer 15€374 EUR
Retailer 11€501 EUR
Retailer 3€529 EUR
Retailer 4€550 EUR
MOH London€733 EUR

19 data points across 15 retailers

15 retailers€126 EUR to €733 EUR

A
Cheapest Retailer
-
€126 EUR
$141 USD
A
Retailer 2
-
€145 EUR
$163 USD
View
A
Retailer 3
-
€156 EUR
$175 USD
View
Retailer 4
-
€156 EUR
$175 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
€243 EUR
$272 USD
View
A
Retailer 6
-
€266 EUR
£235 GBP
View
A
Retailer 7
-
€273 EUR
£241 GBP
View
A
Retailer 8
-
€277 EUR
View
A
Retailer 9
-
€291 EUR
$326 USD
View
B+
Retailer 10
-
€348 EUR
$390 USD
View
B+
Retailer 11
-
€374 EUR
$420 USD
View
B
Retailer 12
-
€501 EUR
$562 USD
View
B
Retailer 13
-
€529 EUR
$593 USD
View
B
Retailer 14
-
€550 EUR
$617 USD
View
Most Expensive
B
MOH London
LG843605391 · Oct 29
€733 EUR
£647 GBP
View
14 more retailers have this diamond
Prices start from €126 EURSave up to €607 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.

A
1.01ct Round
€126 EUR