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Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG842612790

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842612790

Diamond specifications and retailer prices

From £140 GBP
$187 USD
As of November 1, 2026
Save £668 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £808 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG842612790 or 842612790. Listed at 18 retailers as of November 1, 2026, with prices from £140 to £808, a £668 spread on the same certified stone. MOH London lists it at £808. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612790
Dimensions6.50 × 6.52 × 4.04 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
6.50 mm6.52 mm1.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612790
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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 1
Current: £808 GBP|Low: £140 GBP|High: £811 GBP|Avg: £388 GBP|-0.5%
MOH London
Retailer 2
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Retailer 18
November 1, 2026
Retailer 4£140 GBP
Retailer 16£161 GBP
Retailer 14£172 GBP
Retailer 18£172 GBP
Retailer 5£243 GBP
Retailer 12£295 GBP
Retailer 2£298 GBP
Retailer 9£303 GBP
Retailer 6£306 GBP
Retailer 11£316 GBP
Retailer 7£352 GBP
Retailer 15£418 GBP
Retailer 13£421 GBP
Retailer 3£555 GBP
Retailer 17£557 GBP
Retailer 8£595 GBP
Retailer 10£626 GBP
MOH London£808 GBP

15 data points across 18 retailers

18 retailers£140 GBP to £808 GBP

A
Cheapest Retailer
-
£140 GBP
$187 USD
A
Retailer 2
-
£161 GBP
$216 USD
View
A
Retailer 3
-
£172 GBP
$231 USD
View
Retailer 4
-
£172 GBP
$231 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£243 GBP
$326 USD
View
A
Retailer 6
-
£295 GBP
€377 EUR
View
B+
Retailer 7
-
£298 GBP
ZAR 6,451 ZAR
View
B+
Retailer 8
-
£303 GBP
$406 USD
View
Retailer 9
-
£306 GBP
$410 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
£316 GBP
View
B+
Retailer 11
-
£352 GBP
$471 USD
View
B+
Retailer 12
-
£418 GBP
$560 USD
View
B+
Retailer 13
-
£421 GBP
A$868 AUD
View
B
Retailer 14
-
£555 GBP
$744 USD
View
B
Retailer 15
-
£557 GBP
$746 USD
View
B
Retailer 16
-
£595 GBP
$798 USD
View
B
Retailer 17
-
£626 GBP
$839 USD
View
Most Expensive
B
MOH London
LG842612790 · Nov 1
£808 GBP
View
17 more retailers have this diamond
Prices start from £140 GBPSave up to £668 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
1.05ct Round
£140 GBP