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Oval|Lab Grown|IGI

0.78ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG648439276

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG648439276

Diamond specifications and retailer prices

From £95 GBP
$127 USD
As of October 27, 2026
Save £762 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £857 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct lab-grown oval diamond

This 0.78ct lab-grown oval 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 LG648439276 or 648439276. Listed at 9 retailers as of October 27, 2026, with prices from £95 to £857, a £762 spread on the same certified stone. MOH London lists it at £857. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648439276
Dimensions7.49 × 5.25 × 3.17 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm5.25 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648439276
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

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 27
Current: £857 GBP|Low: £95 GBP|High: £857 GBP|Avg: £269 GBP
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
Retailer 14
October 29, 2026
Retailer 14£95 GBP
Retailer 2£109 GBP
Retailer 10£125 GBP
Retailer 8£161 GBP
Retailer 3£179 GBP
Retailer 11£203 GBP
Retailer 9£204 GBP
Retailer 13£222 GBP
Retailer 5£273 GBP
Retailer 7£282 GBP
Retailer 12£328 GBP
Retailer 4£467 GBP
Retailer 6£481 GBP
MOH London£857 GBP

3 data points across 14 retailers

9 retailers£95 GBP to £857 GBP

A
Cheapest Retailer
-
£95 GBP
$127 USD
A
Retailer 2
-
£109 GBP
$145 USD
View
A
Retailer 3
-
£125 GBP
HK$1,300 HKD
View
A
Retailer 4
-
£203 GBP
View
A
Retailer 5
-
£204 GBP
$271 USD
View
A
Retailer 6
-
£222 GBP
View
B+
Retailer 7
-
£282 GBP
$376 USD
View
B+
Retailer 8
-
£328 GBP
$437 USD
View
Most Expensive
B
MOH London
LG648439276 · Oct 29
£857 GBP
View
8 more retailers have this diamond
Prices start from £95 GBPSave up to £762 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 Oval
£95 GBP