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Round|Lab Grown|IGI

0.78ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG759527854

Shape and cutting style on the report: Round brilliant

Certificate IGI LG759527854

Diamond specifications and retailer prices

From £110 GBP
$146 USD
As of October 29, 2026
Save £657 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £766 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG759527854 or 759527854. Listed at 15 retailers as of October 29, 2026, with prices from £110 to £766, a £657 spread on the same certified stone. Reve Diamonds lists it at £766. 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 angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759527854
Dimensions5.90 × 5.93 × 3.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.90 mm5.93 mm0.78 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759527854
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

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 29
Current: £234 GBP|Low: £105 GBP|High: £643 GBP|Avg: £243 GBP|+6.2%
Retailer 1
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 30, 2026
Retailer 10£110 GBP
Retailer 2£122 GBP
Retailer 5£127 GBP
Retailer 8£135 GBP
Retailer 4£136 GBP
Retailer 12£136 GBP
Retailer 11£191 GBP
Retailer 1£234 GBP
Retailer 7£236 GBP
Retailer 13£369 GBP
Retailer 3£436 GBP
Retailer 9£461 GBP
Retailer 6£638 GBP

43 data points across 13 retailers

15 retailers£110 GBP to £766 GBP

A
Cheapest Retailer
-
£110 GBP
$146 USD
A
Retailer 2
-
£122 GBP
$162 USD
View
Final sale: no returns
A
Retailer 3
-
£127 GBP
$169 USD
View
A
Retailer 4
-
£136 GBP
$181 USD
View
A
Retailer 5
-
£136 GBP
$181 USD
View
A
Retailer 6
-
£191 GBP
$255 USD
View
A
Retailer 7
-
£194 GBP
$258 USD
View
B+
Retailer 8
-
£234 GBP
View
A
Retailer 9
-
£236 GBP
€299 EUR
View
B
Retailer 10
-
£369 GBP
$491 USD
View
B
Retailer 11
-
£436 GBP
$581 USD
View
B
Retailer 12
-
£461 GBP
$614 USD
View
B
Retailer 13
-
£478 GBP
$637 USD
View
B
Retailer 14
-
£638 GBP
View
Most Expensive
B
Reve Diamonds
B771BE83E · Oct 30
£766 GBP
$1,021 USD
View
14 more retailers have this diamond
Prices start from £110 GBPSave up to £657 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
£110 GBP