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Round|Lab Grown|IGI

1.01ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG817652952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817652952

Diamond specifications and retailer prices

From £343 GBP
$460 USD
As of October 31, 2026
Save £89 GBP (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £815 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817652952 or 817652952. Listed at 10 retailers as of October 26, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817652952
Dimensions6.41 × 6.37 × 3.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.41 mm6.37 mm1.01 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817652952
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £815 GBP|Low: £131 GBP|High: £815 GBP|Avg: £382 GBP|+18.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 7£157 GBP
Retailer 9£235 GBP
Retailer 4£294 GBP
Retailer 10£343 GBP
Retailer 6£352 GBP
Retailer 2£357 GBP
Retailer 3£408 GBP
Retailer 5£432 GBP
Retailer 8£600 GBP
MOH London£815 GBP

14 data points across 10 retailers

10 retailers£343 GBP to £432 GBP

Retailer 1
-
£235 GBP
$315 USD
Price last confirmed 10 days ago
Retailer 2
-
£294 GBP
ZAR 6,372 ZAR
View
Price last confirmed 10 days ago
B+
Retailer 3
-
£343 GBP
$460 USD
View
B+
Retailer 4
-
£352 GBP
$472 USD
View
Price last confirmed 7 days ago
B
Retailer 5
-
£357 GBP
€456 EUR
View
Retailer 6
-
£408 GBP
$547 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£416 GBP
$558 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
£432 GBP
$579 USD
View
Retailer 9
-
£600 GBP
$804 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG817652952 · Oct 25
£815 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from £343 GBPSave up to £89 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.

B+
1.01ct Round
£343 GBP