CaratHunter
Plans
Round|Lab Grown|IGI

0.81ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839640644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839640644

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of November 1, 2026
Save £424 GBP (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £597 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct lab-grown round diamond

This 0.81ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839640644 or 839640644. Listed at 9 retailers as of November 1, 2026, with prices from £173 to £597, a £424 spread on the same certified stone. MOH London lists it at £597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.81
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839640644
Dimensions6.00 × 6.04 × 3.65 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
6.00 mm6.04 mm0.81 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839640644
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.6%

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: Nov 1
Current: £597 GBP|Low: £131 GBP|High: £1,004 GBP|Avg: £287 GBP|-40.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9£131 GBP
Retailer 5£173 GBP
Retailer 6£200 GBP
Retailer 2£217 GBP
Retailer 3£226 GBP
Retailer 7£305 GBP
Retailer 4£315 GBP
Retailer 8£452 GBP
MOH London£597 GBP

31 data points across 9 retailers

9 retailers£173 GBP to £597 GBP

Retailer 1
-
£131 GBP
$175 USD
Price last confirmed 32 days ago
B+
Retailer 2
-
£173 GBP
$232 USD
View
A
Retailer 3
-
£200 GBP
$268 USD
View
A
Retailer 4
-
£217 GBP
View
A
Retailer 5
-
£226 GBP
€289 EUR
View
B+
Retailer 6
-
£305 GBP
$409 USD
View
B+
Retailer 7
-
£315 GBP
A$649 AUD
View
B
Retailer 8
-
£452 GBP
$606 USD
View
Most Expensive
B
MOH London
LG839640644 · Nov 1
£597 GBP
View
8 more retailers have this diamond
Prices start from £173 GBPSave up to £424 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
0.81ct Round
£173 GBP