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Round|Lab Grown|IGI

0.66ct E VVS1 Round Lab Grown Diamond

ID • E/VVS1 • IGI LG799618775

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799618775

Diamond specifications and retailer prices

From £84 GBP
$113 USD
As of October 26, 2026
Save £864 GBP (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £965 GBP at MOH London · As of October 25, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799618775 or 799618775. Listed at 13 retailers as of October 26, 2026, with a 1024% 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

0.66
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799618775
Dimensions5.67 × 5.64 × 3.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.67 mm5.64 mm0.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799618775
Side View
Table 58.0%Crown 33.7°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 59.8%

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: £965 GBP|Low: £84 GBP|High: £1,036 GBP|Avg: £327 GBP|-3.7%
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
October 26, 2026
Retailer 9£84 GBP
Retailer 13£95 GBP
Retailer 7£98 GBP
Retailer 3£145 GBP
Retailer 10£157 GBP
Retailer 6£205 GBP
Retailer 5£261 GBP
Retailer 8£282 GBP
Retailer 2£294 GBP
Retailer 11£371 GBP
Retailer 4£404 GBP
Retailer 12£948 GBP
MOH London£965 GBP

30 data points across 13 retailers

13 retailers£84 GBP to £948 GBP

A
Cheapest Retailer
-
£84 GBP
$113 USD
Retailer 2
-
£98 GBP
$131 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£145 GBP
$194 USD
View
Price last confirmed 6 days ago
Retailer 4
-
£157 GBP
$210 USD
View
Price last confirmed 7 days ago
Retailer 5
-
£205 GBP
€261 EUR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£261 GBP
$350 USD
View
B+
Retailer 7
-
£282 GBP
$378 USD
View
B+
Retailer 8
-
£294 GBP
A$606 AUD
View
Retailer 9
-
£351 GBP
$470 USD
View
Price last confirmed 46 days ago
Retailer 10
-
£371 GBP
$497 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£404 GBP
$541 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
£948 GBP
$1,270 USD
View
Most Expensive
MOH London
LG799618775 · Oct 25
£965 GBP
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from £84 GBPSave up to £864 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
0.66ct Round
£84 GBP