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Round|Lab Grown|IGI

1.01ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG818687215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687215

Diamond specifications and retailer prices

From €126 EUR
$141 USD
As of November 1, 2026
Save €602 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €728 EUR at MOH London · As of November 1, 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 LG818687215 or 818687215. Listed at 14 retailers as of November 1, 2026, with prices from €126 to €728, a €602 spread on the same certified stone. MOH London lists it at €728. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687215
Dimensions6.40 × 6.45 × 3.98 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
6.40 mm6.45 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687215
Side View
Table 57.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 1
Current: €728 EUR|Low: €126 EUR|High: €737 EUR|Avg: €350 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8€126 EUR
Retailer 9€145 EUR
Retailer 3€243 EUR
Retailer 4€266 EUR
Retailer 2€273 EUR
Retailer 6€276 EUR
Retailer 11€291 EUR
Retailer 5€348 EUR
Retailer 7€395 EUR
Retailer 10€550 EUR
MOH London€728 EUR

31 data points across 11 retailers

14 retailers€126 EUR to €728 EUR

A
Cheapest Retailer
-
€126 EUR
$141 USD
A
Retailer 2
-
€145 EUR
$163 USD
View
Retailer 3
-
€156 EUR
$175 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
€156 EUR
$175 USD
View
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
-
€276 EUR
View
B+
Retailer 9
-
€291 EUR
$326 USD
View
B+
Retailer 10
-
€348 EUR
$390 USD
View
B+
Retailer 11
-
€395 EUR
$443 USD
View
B
Retailer 12
-
€501 EUR
$562 USD
View
B
Retailer 13
-
€550 EUR
$617 USD
View
Most Expensive
B
MOH London
LG818687215 · Nov 1
€728 EUR
£643 GBP
View
13 more retailers have this diamond
Prices start from €126 EURSave up to €602 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