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Round|Lab Grown|IGI

0.78ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG805671995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805671995

Diamond specifications and retailer prices

From £90 GBP
$120 USD
As of October 26, 2026
Save £844 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £934 GBP at MOH London · As of October 26, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805671995 or 805671995. Listed at 18 retailers as of October 26, 2026, with prices from £90 to £934, a £844 spread on the same certified stone. MOH London lists it at £934. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.78
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671995
Dimensions5.99 × 5.94 × 3.58 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
5.99 mm5.94 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805671995
Side View
Table 58.0%Crown 32.9°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £934 GBP|Low: £85 GBP|High: £937 GBP|Avg: £274 GBP|+1.1%
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
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Retailer 17
October 29, 2026
Retailer 16£90 GBP
Retailer 3£100 GBP
Retailer 17£104 GBP
Retailer 14£119 GBP
Retailer 10£125 GBP
Retailer 7£128 GBP
Retailer 13£193 GBP
Retailer 2£196 GBP
Retailer 6£216 GBP
Retailer 12£228 GBP
Retailer 4£270 GBP
Retailer 9£285 GBP
Retailer 8£291 GBP
Retailer 11£309 GBP
Retailer 15£359 GBP
Retailer 5£360 GBP
MOH London£934 GBP

41 data points across 17 retailers

18 retailers£90 GBP to £934 GBP

A
Cheapest Retailer
-
£90 GBP
$120 USD
A
Retailer 2
-
£100 GBP
$133 USD
View
Final sale: no returns
A
Retailer 3
-
£104 GBP
$139 USD
View
A
Retailer 4
-
£119 GBP
$158 USD
View
A
Retailer 5
-
£125 GBP
HK$1,300 HKD
View
Retailer 6
-
£128 GBP
$170 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
£193 GBP
$257 USD
View
A
Retailer 8
-
£196 GBP
€249 EUR
View
B+
Retailer 9
-
£216 GBP
$288 USD
View
B+
Retailer 10
-
£228 GBP
View
B+
Retailer 11
-
£270 GBP
$360 USD
View
B+
Retailer 12
-
£285 GBP
$380 USD
View
Retailer 13
-
£285 GBP
$380 USD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
£291 GBP
$388 USD
View
B+
Retailer 15
-
£309 GBP
SGD 556 SGD
View
B
Retailer 16
-
£359 GBP
$478 USD
View
B
Retailer 17
-
£360 GBP
A$738 AUD
View
Most Expensive
B
MOH London
LG805671995 · Oct 26
£934 GBP
View
17 more retailers have this diamond
Prices start from £90 GBPSave up to £844 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
£90 GBP