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Round|Lab Grown|IGI

1.18ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG725511084

Shape and cutting style on the report: Round brilliant

Certificate IGI LG725511084

Diamond specifications and retailer prices

From €318 EUR
As of November 2, 2026
Save €555 EUR (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €873 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.18ct lab-grown round diamond

This 1.18ct 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 LG725511084 or 725511084. Listed at 7 retailers as of October 26, 2026, with prices from €318 to €873, a €555 spread on the same certified stone. MOH London lists it at €873. 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

1.18
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725511084
Dimensions6.80 × 6.77 × 4.18 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
6.80 mm6.77 mm1.18 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725511084
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €873 EUR|Low: €275 EUR|High: €883 EUR|Avg: €430 EUR|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2€318 EUR
Retailer 6€319 EUR
Retailer 3€331 EUR
Retailer 7€334 EUR
Retailer 4€397 EUR
Retailer 5€474 EUR
MOH London€873 EUR

33 data points across 7 retailers

7 retailers€318 EUR to €873 EUR

A
Cheapest Retailer
-
€318 EUR
A
Retailer 2
-
€319 EUR
$358 USD
View
A
Retailer 3
-
€331 EUR
£293 GBP
View
A
Retailer 4
-
€334 EUR
$375 USD
View
B+
Retailer 5
-
€397 EUR
$445 USD
View
B+
Retailer 6
-
€474 EUR
$532 USD
View
Most Expensive
B
MOH London
LG725511084 · Oct 26
€873 EUR
£771 GBP
View
6 more retailers have this diamond
Prices start from €318 EURSave up to €555 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
1.18ct Round
€318 EUR