Round|Lab Grown|IGI

1.00ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG776615101

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776615101

Diamond specifications and retailer prices

From £260 GBP
€332 EUR
As of October 27, 2026
17 retailers carry this diamond
Most expensive: £647 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 LG776615101 or 776615101. Listed at 17 retailers as of October 27, 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776615101
Dimensions6.42 × 6.37 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.42 mm6.37 mm1.00 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776615101
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £647 GBP|Low: £111 GBP|High: £683 GBP|Avg: £298 GBP|-5.3%
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
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Retailer 18
October 23, 2026
Retailer 18£111 GBP
Retailer 13£129 GBP
Retailer 5£138 GBP
Retailer 15£138 GBP
Retailer 9£187 GBP
Retailer 17£216 GBP
Retailer 12£233 GBP
Retailer 14£253 GBP
Retailer 11£260 GBP
Retailer 10£272 GBP
Retailer 7£295 GBP
Retailer 4£319 GBP
Retailer 2£337 GBP
Retailer 16£352 GBP
Retailer 8£366 GBP
Retailer 3£443 GBP
Retailer 6£484 GBP
MOH London£647 GBP

23 data points across 18 retailers

17 retailers

Retailer 1
-
£111 GBP
$149 USD
Price last confirmed 10 days ago
Retailer 2
-
£129 GBP
$173 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£138 GBP
$185 USD
View
Price last confirmed 16 days ago
Retailer 4
-
£138 GBP
$185 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£187 GBP
$250 USD
View
Price last confirmed 9 days ago
Retailer 6
-
£216 GBP
$290 USD
View
Price last confirmed 9 days ago
Retailer 7
-
£233 GBP
ZAR 5,039 ZAR
View
Price last confirmed 9 days ago
Retailer 8
-
£253 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
-
£260 GBP
€332 EUR
View
Retailer 10
-
£295 GBP
$395 USD
View
Price last confirmed 25 days ago
Retailer 11
-
£319 GBP
$428 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£337 GBP
A$695 AUD
View
Price last confirmed 9 days ago
Retailer 13
-
£352 GBP
$472 USD
View
Price last confirmed 9 days ago
Retailer 14
-
£366 GBP
$490 USD
View
Price last confirmed 8 days ago
Retailer 15
-
£443 GBP
$593 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£484 GBP
$649 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG776615101 · Oct 21
£647 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from £260 GBP

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
£260 GBP