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Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG818682059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818682059

Diamond specifications and retailer prices

From €137 EUR
As of November 3, 2026
Save €658 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €795 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682059 or 818682059. Listed at 20 retailers as of November 1, 2026, with prices from €137 to €795, a €658 spread on the same certified stone. MOH London lists it at €795. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682059
Dimensions6.38 × 6.35 × 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
6.38 mm6.35 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682059
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°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 3
Current: €795 EUR|Low: €136 EUR|High: €809 EUR|Avg: €393 EUR|-1.7%
MOH London
Retailer 2
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Retailer 19
November 4, 2026
Retailer 16€137 EUR
Retailer 5€153 EUR
Retailer 8€159 EUR
Retailer 4€170 EUR
Retailer 19€170 EUR
Retailer 10€254 EUR
Retailer 2€293 EUR
Retailer 12€293 EUR
Retailer 15€293 EUR
Retailer 18€311 EUR
Retailer 9€353 EUR
Retailer 14€414 EUR
Retailer 13€447 EUR
Retailer 17€454 EUR
Retailer 7€468 EUR
Retailer 11€539 EUR
Retailer 3€547 EUR
Retailer 6€596 EUR
MOH London€795 EUR

38 data points across 19 retailers

20 retailers€137 EUR to €795 EUR

A
Cheapest Retailer
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€137 EUR
A
Retailer 2
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€153 EUR
View
Final sale: no returns
A
Retailer 3
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€159 EUR
View
A
Retailer 4
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€170 EUR
View
Retailer 5
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€170 EUR
View
Price last confirmed 10 days ago
A
Retailer 6
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€254 EUR
View
A
Retailer 7
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€293 EUR
View
A
Retailer 8
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€293 EUR
View
A
Retailer 9
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€293 EUR
View
A
Retailer 10
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€311 EUR
View
Retailer 11
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€353 EUR
View
Price last confirmed 17 days ago
B+
Retailer 12
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€353 EUR
View
B+
Retailer 13
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€414 EUR
View
B+
Retailer 14
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€447 EUR
View
B+
Retailer 15
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€454 EUR
View
B+
Retailer 16
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€468 EUR
View
B
Retailer 17
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€547 EUR
View
B
Retailer 18
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€554 EUR
View
B
Retailer 19
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€596 EUR
View
Most Expensive
B
MOH London
LG818682059 · Nov 1
€795 EUR
£700 GBP
View
19 more retailers have this diamond
Prices start from €137 EURSave up to €658 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
1.00ct Round
€137 EUR