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Round|Lab Grown|IGI

0.66ct F VS2 Round Lab Grown Diamond

EX • F/VS2 • IGI LG844645800

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844645800

Diamond specifications and retailer prices

From £138 GBP
$185 USD
As of November 1, 2026
Save £703 GBP (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £841 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844645800 or 844645800. Listed at 4 retailers as of November 1, 2026, with prices from £138 to £841, a £703 spread on the same certified stone. MOH London lists it at £841. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844645800
Dimensions5.57 × 5.59 × 3.47 mm
L/W Ratio1.00
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
5.57 mm5.59 mm0.66 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844645800
Side View
Table 57.0%Crown 36.4°Girdle: THN-MEDPavilion 41.1°CuletDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £841 GBP|Low: £138 GBP|High: £846 GBP|Avg: £377 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4£138 GBP
Retailer 2£201 GBP
Retailer 3£367 GBP
MOH London£841 GBP

14 data points across 4 retailers

4 retailers£138 GBP to £841 GBP

B+
Cheapest Retailer
-
£138 GBP
$185 USD
B+
Retailer 2
-
£201 GBP
View
B
Retailer 3
-
£367 GBP
$492 USD
View
Most Expensive
B
MOH London
LG844645800 · Nov 1
£841 GBP
View
3 more retailers have this diamond
Prices start from £138 GBPSave up to £703 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+
0.66ct Round
£138 GBP