Round|Lab Grown|IGI

1.00ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818687089

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687089

Diamond specifications and retailer prices

From €546 EUR
As of October 28, 2026
18 retailers carry this diamond
Most expensive: €776 EUR at MOH London · As of October 21, 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 LG818687089 or 818687089. Listed at 18 retailers as of October 28, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687089
Dimensions6.38 × 6.41 × 3.96 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 mm6.41 mm1.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687089
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: €776 EUR|Low: €128 EUR|High: €780 EUR|Avg: €363 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
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Retailer 19
October 26, 2026
Retailer 18€133 EUR
Retailer 19€155 EUR
Retailer 4€165 EUR
Retailer 6€165 EUR
Retailer 10€252 EUR
Retailer 13€270 EUR
Retailer 16€278 EUR
Retailer 14€284 EUR
Retailer 3€303 EUR
Retailer 12€311 EUR
Retailer 5€358 EUR
Retailer 8€383 EUR
Retailer 15€403 EUR
Retailer 7€530 EUR
Retailer 2€546 EUR
Retailer 17€561 EUR
Retailer 9€572 EUR
Retailer 11€580 EUR
MOH London€776 EUR

22 data points across 19 retailers

18 retailers

Retailer 1
-
€133 EUR
Price last confirmed 13 days ago
Retailer 2
-
€155 EUR
View
Price last confirmed 11 days ago
Retailer 3
-
€165 EUR
View
Price last confirmed 19 days ago
Retailer 4
-
€165 EUR
View
Price last confirmed 12 days ago
Retailer 5
-
€252 EUR
View
Price last confirmed 11 days ago
Retailer 6
-
€270 EUR
View
Price last confirmed 10 days ago
Retailer 7
-
€278 EUR
View
Price last confirmed 12 days ago
Retailer 8
-
€284 EUR
View
Price last confirmed 11 days ago
Retailer 9
-
€303 EUR
View
Price last confirmed 12 days ago
Retailer 10
-
€311 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
€349 EUR
View
Price last confirmed 14 days ago
Retailer 12
-
€358 EUR
View
Price last confirmed 31 days ago
Retailer 13
-
€383 EUR
View
Price last confirmed 11 days ago
Retailer 14
-
€403 EUR
View
Price last confirmed 12 days ago
Retailer 15
-
€530 EUR
View
Price last confirmed 11 days ago
B
Retailer 16
-
€546 EUR
View
Retailer 17
-
€580 EUR
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG818687089 · Oct 21
€776 EUR
£683 GBP
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from €546 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
1.00ct Round
€546 EUR