Round|Lab Grown|IGI

1.09ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG830646195

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830646195

Diamond specifications and retailer prices

From £162 GBP
HK$1,700 HKD
As of October 30, 2026
Save £457 GBP (74%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £653 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830646195 or 830646195. Listed at 17 retailers as of October 30, 2026, with a 281% 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

1.09
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830646195
Dimensions6.60 × 6.55 × 4.06 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
6.60 mm6.55 mm1.09 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830646195
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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: £653 GBP|Low: £139 GBP|High: £739 GBP|Avg: £354 GBP|-0.7%
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
October 30, 2026
Retailer 12£139 GBP
Retailer 5£162 GBP
Retailer 3£188 GBP
Retailer 8£239 GBP
Retailer 7£248 GBP
Retailer 4£300 GBP
Retailer 9£339 GBP
Retailer 6£383 GBP
Retailer 13£387 GBP
Retailer 11£444 GBP
Retailer 10£472 GBP
Retailer 14£488 GBP
Retailer 2£619 GBP
MOH London£653 GBP

26 data points across 14 retailers

17 retailers£162 GBP to £619 GBP

Retailer 1
-
£107 GBP
$144 USD
Price last confirmed 30 days ago
Retailer 2
-
£130 GBP
$174 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£139 GBP
$186 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 5
-
£188 GBP
$252 USD
View
A
Retailer 6
-
£239 GBP
ZAR 5,164 ZAR
View
A
Retailer 7
-
£248 GBP
€317 EUR
View
B+
Retailer 8
-
£300 GBP
$402 USD
View
B+
Retailer 9
-
£339 GBP
A$698 AUD
View
Retailer 10
-
£383 GBP
$514 USD
View
Price last confirmed 65 days ago
B+
Retailer 11
-
£387 GBP
SGD 700 SGD
View
Retailer 12
-
£447 GBP
$599 USD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
£453 GBP
$607 USD
View
B
Retailer 14
-
£472 GBP
$632 USD
View
B
Retailer 15
-
£488 GBP
$654 USD
View
B
Retailer 16
-
£619 GBP
$830 USD
View
Most Expensive
MOH London
LG830646195 · Oct 21
£653 GBP
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from £162 GBPSave up to £457 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
1.09ct Round
£162 GBP