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Round|Lab Grown|IGI

1.09ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG844676928

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844676928

Diamond specifications and retailer prices

From £112 GBP
$150 USD
As of October 26, 2026
Save £376 GBP (77%) vs most expensive(unlock to see where)
19 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 LG844676928 or 844676928. Listed at 19 retailers as of October 26, 2026, with a 336% 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 angle33°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844676928
Dimensions6.67 × 6.69 × 4.00 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
6.67 mm6.69 mm1.09 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844676928
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.9%

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 26
Current: £653 GBP|Low: £112 GBP|High: £653 GBP|Avg: £303 GBP
MOH London
Retailer 2
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Retailer 12
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Retailer 18
October 29, 2026
Retailer 17£112 GBP
Retailer 14£130 GBP
Retailer 4£139 GBP
Retailer 8£139 GBP
Retailer 3£162 GBP
Retailer 9£188 GBP
Retailer 11£233 GBP
Retailer 12£239 GBP
Retailer 2£248 GBP
Retailer 16£300 GBP
Retailer 6£323 GBP
Retailer 13£339 GBP
Retailer 10£387 GBP
Retailer 18£447 GBP
Retailer 5£453 GBP
Retailer 15£472 GBP
Retailer 7£488 GBP
MOH London£653 GBP

15 data points across 18 retailers

19 retailers£112 GBP to £488 GBP

A
Cheapest Retailer
-
£112 GBP
$150 USD
A
Retailer 2
-
£130 GBP
$174 USD
View
A
Retailer 3
-
£139 GBP
$186 USD
View
A
Retailer 4
-
£139 GBP
$186 USD
View
A
Retailer 5
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 6
-
£188 GBP
$252 USD
View
A
Retailer 7
-
£233 GBP
View
A
Retailer 8
-
£239 GBP
ZAR 5,164 ZAR
View
A
Retailer 9
-
£248 GBP
€317 EUR
View
B+
Retailer 10
-
£300 GBP
$402 USD
View
B+
Retailer 11
-
£323 GBP
$433 USD
View
B+
Retailer 12
-
£339 GBP
A$698 AUD
View
B+
Retailer 13
-
£387 GBP
SGD 700 SGD
View
B+
Retailer 14
-
£392 GBP
$525 USD
View
B+
Retailer 15
-
£447 GBP
$599 USD
View
B+
Retailer 16
-
£453 GBP
$607 USD
View
B
Retailer 17
-
£472 GBP
$632 USD
View
B
Retailer 18
-
£488 GBP
$654 USD
View
Most Expensive
MOH London
LG844676928 · Oct 21
£653 GBP
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from £112 GBPSave up to £376 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
£112 GBP