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Round|Lab Grown|IGI

0.70ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG787640155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787640155

Diamond specifications and retailer prices

From £100 GBP
$134 USD
As of November 1, 2026
Save £933 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,033 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.7ct lab-grown round diamond

This 0.7ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787640155 or 787640155. Listed at 14 retailers as of November 1, 2026, with prices from £100 to £1,033, a £933 spread on the same certified stone. MOH London lists it at £1,033. 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

0.70
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787640155
Dimensions5.69 × 5.66 × 3.52 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.69 mm5.66 mm0.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787640155
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Nov 1
Current: £1,033 GBP|Low: £96 GBP|High: £1,045 GBP|Avg: £274 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
November 1, 2026
Retailer 9£100 GBP
Retailer 10£110 GBP
Retailer 13£116 GBP
Retailer 8£124 GBP
Retailer 12£124 GBP
Retailer 2£207 GBP
Retailer 6£223 GBP
Retailer 3£234 GBP
Retailer 11£254 GBP
Retailer 5£299 GBP
Retailer 7£319 GBP
Retailer 4£398 GBP
MOH London£1,033 GBP

44 data points across 13 retailers

14 retailers£100 GBP to £1,033 GBP

A
Cheapest Retailer
-
£100 GBP
$134 USD
A
Retailer 2
-
£110 GBP
$148 USD
View
Final sale: no returns
A
Retailer 3
-
£116 GBP
$155 USD
View
A
Retailer 4
-
£124 GBP
$166 USD
View
Retailer 5
-
£124 GBP
$166 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£207 GBP
View
A
Retailer 7
-
£223 GBP
€284 EUR
View
A
Retailer 8
-
£234 GBP
$313 USD
View
B+
Retailer 9
-
£254 GBP
$340 USD
View
B+
Retailer 10
-
£299 GBP
$400 USD
View
B+
Retailer 11
-
£319 GBP
$428 USD
View
B+
Retailer 12
-
£398 GBP
$533 USD
View
B
Retailer 13
-
£440 GBP
$589 USD
View
Most Expensive
B
MOH London
LG787640155 · Nov 1
£1,033 GBP
View
13 more retailers have this diamond
Prices start from £100 GBPSave up to £933 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
0.70ct Round
£100 GBP