CaratHunter
Plans
Round|Lab Grown|IGI

0.78ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG845660178

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845660178

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of October 29, 2026
Save £491 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £634 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct lab-grown round diamond

This 0.78ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845660178 or 845660178. Listed at 8 retailers as of October 29, 2026, with prices from £143 to £634, a £491 spread on the same certified stone. MOH London lists it at £634. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.78
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845660178
Dimensions5.89 × 5.85 × 3.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.85 mm0.78 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845660178
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: £634 GBP|Low: £143 GBP|High: £634 GBP|Avg: £356 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4£143 GBP
Retailer 8£166 GBP
Retailer 3£232 GBP
Retailer 5£278 GBP
Retailer 2£352 GBP
Retailer 6£466 GBP
Retailer 7£564 GBP
MOH London£634 GBP

3 data points across 8 retailers

8 retailers£143 GBP to £634 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
B+
Retailer 2
-
£166 GBP
$223 USD
View
B+
Retailer 3
-
£232 GBP
View
B+
Retailer 4
-
£250 GBP
$335 USD
View
B
Retailer 5
-
£352 GBP
CA$655 CAD
View
B
Retailer 6
-
£466 GBP
$624 USD
View
B
Retailer 7
-
£564 GBP
$756 USD
View
Most Expensive
B
MOH London
LG845660178 · Oct 29
£634 GBP
View
7 more retailers have this diamond
Prices start from £143 GBPSave up to £491 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
0.78ct Round
£143 GBP