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Round|Lab Grown|IGI

1.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG799669395

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799669395

Diamond specifications and retailer prices

From £234 GBP
$314 USD
As of October 30, 2026
Save £422 GBP (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £656 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 LG799669395 or 799669395. Listed at 8 retailers as of October 30, 2026, with prices from £234 to £656, a £422 spread on the same certified stone. MOH London lists it at £656. 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 LG799669395
Dimensions6.54 × 6.49 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.54 mm6.49 mm1.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799669395
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

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: Oct 30
Current: £656 GBP|Low: £233 GBP|High: £699 GBP|Avg: £373 GBP|-6.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5£234 GBP
Retailer 2£244 GBP
Retailer 4£257 GBP
Retailer 8£306 GBP
Retailer 3£323 GBP
Retailer 7£451 GBP
Retailer 6£493 GBP
MOH London£656 GBP

23 data points across 8 retailers

8 retailers£234 GBP to £656 GBP

A
Cheapest Retailer
-
£234 GBP
$314 USD
A
Retailer 2
-
£244 GBP
€311 EUR
View
A
Retailer 3
-
£257 GBP
$344 USD
View
Retailer 4
-
£306 GBP
$410 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£323 GBP
$433 USD
View
B+
Retailer 6
-
£451 GBP
$604 USD
View
B+
Retailer 7
-
£493 GBP
$660 USD
View
Most Expensive
B
MOH London
LG799669395 · Nov 1
£656 GBP
View
7 more retailers have this diamond
Prices start from £234 GBPSave up to £422 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
£234 GBP