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Round|Lab Grown|IGI

1.04ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG821640254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640254

Diamond specifications and retailer prices

From £118 GBP
$158 USD
As of October 29, 2026
Save £571 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £689 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct 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 LG821640254 or 821640254. Listed at 17 retailers as of October 29, 2026, with prices from £118 to £689, a £571 spread on the same certified stone. MOH London lists it at £689. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640254
Dimensions6.52 × 6.60 × 3.96 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
Top View
6.52 mm6.60 mm1.04 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640254
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.4%

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 29
Current: £689 GBP|Low: £107 GBP|High: £702 GBP|Avg: £296 GBP|-1.9%
MOH London
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 3£118 GBP
Retailer 4£132 GBP
Retailer 9£134 GBP
Retailer 13£137 GBP
Retailer 2£146 GBP
Retailer 7£229 GBP
Retailer 6£234 GBP
Retailer 15£245 GBP
Retailer 14£266 GBP
Retailer 16£280 GBP
Retailer 8£326 GBP
Retailer 12£328 GBP
Retailer 11£393 GBP
Retailer 10£471 GBP
Retailer 5£475 GBP
Retailer 17£512 GBP
MOH London£689 GBP

18 data points across 17 retailers

17 retailers£118 GBP to £689 GBP

A
Cheapest Retailer
-
£118 GBP
$158 USD
A
Retailer 2
-
£132 GBP
$177 USD
View
Final sale: no returns
A
Retailer 3
-
£134 GBP
$179 USD
View
A
Retailer 4
-
£137 GBP
$184 USD
View
A
Retailer 5
-
£146 GBP
$196 USD
View
A
Retailer 6
-
£229 GBP
ZAR 4,960 ZAR
View
A
Retailer 7
-
£234 GBP
€299 EUR
View
A
Retailer 8
-
£245 GBP
View
A
Retailer 9
-
£266 GBP
$357 USD
View
A
Retailer 10
-
£280 GBP
$375 USD
View
B+
Retailer 11
-
£326 GBP
A$671 AUD
View
B+
Retailer 12
-
£328 GBP
$440 USD
View
B+
Retailer 13
-
£393 GBP
$526 USD
View
B
Retailer 14
-
£471 GBP
$631 USD
View
B
Retailer 15
-
£475 GBP
$637 USD
View
B
Retailer 16
-
£512 GBP
$686 USD
View
Most Expensive
B
MOH London
LG821640254 · Oct 29
£689 GBP
View
16 more retailers have this diamond
Prices start from £118 GBPSave up to £571 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
1.04ct Round
£118 GBP