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Round|Lab Grown|IGI

1.00ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818682086

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818682086

Diamond specifications and retailer prices

From £111 GBP
$149 USD
As of October 22, 2026
17 retailers carry this diamond
Most expensive: £659 GBP 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682086 or 818682086. Listed at 17 retailers as of October 21, 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682086
Dimensions6.38 × 6.42 × 3.96 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
6.38 mm6.42 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682086
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 22
Current: £659 GBP|Low: £107 GBP|High: £661 GBP|Avg: £311 GBP|+0.9%
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
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Retailer 18
October 26, 2026
Retailer 7£111 GBP
Retailer 17£124 GBP
Retailer 14£129 GBP
Retailer 12£138 GBP
Retailer 16£138 GBP
Retailer 5£232 GBP
Retailer 11£252 GBP
Retailer 3£253 GBP
Retailer 9£291 GBP
Retailer 2£335 GBP
Retailer 10£373 GBP
Retailer 15£375 GBP
Retailer 4£379 GBP
Retailer 13£442 GBP
Retailer 6£444 GBP
Retailer 18£467 GBP
Retailer 8£483 GBP
MOH London£659 GBP

31 data points across 18 retailers

17 retailers£111 GBP to £659 GBP

Retailer 1
-
£111 GBP
$149 USD
Price last confirmed 11 days ago
Retailer 2
-
£129 GBP
$173 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£138 GBP
$185 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£138 GBP
$185 USD
View
Price last confirmed 10 days ago
Retailer 5
-
£232 GBP
ZAR 5,039 ZAR
View
Price last confirmed 11 days ago
Retailer 6
-
£252 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£253 GBP
$339 USD
View
Price last confirmed 8 days ago
Retailer 8
-
£291 GBP
$390 USD
View
Price last confirmed 15 days ago
Retailer 9
-
£291 GBP
$390 USD
View
Price last confirmed 9 days ago
Retailer 10
-
£335 GBP
A$692 AUD
View
Price last confirmed 7 days ago
Retailer 11
-
£373 GBP
$500 USD
View
Price last confirmed 15 days ago
Retailer 12
-
£379 GBP
SGD 687 SGD
View
Price last confirmed 8 days ago
Retailer 13
-
£442 GBP
$593 USD
View
Price last confirmed 10 days ago
Retailer 14
-
£444 GBP
$596 USD
View
Price last confirmed 9 days ago
Retailer 15
-
£467 GBP
$627 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£483 GBP
$649 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG818682086 · Oct 21
£659 GBP
View
Price last confirmed 13 days ago
16 more retailers have this diamond

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.

1.00ct Round
£111 GBP