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0.64ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG807681821

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807681821

Diamond specifications and retailer prices

From £75 GBP
$100 USD
As of October 29, 2026
Save £611 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £685 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.64ct lab-grown round diamond

This 0.64ct 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 LG807681821 or 807681821. Listed at 13 retailers as of October 29, 2026, with prices from £75 to £685, a £611 spread on the same certified stone. MOH London lists it at £685. 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

0.64
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807681821
Dimensions5.54 × 5.51 × 3.42 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
5.54 mm5.51 mm0.64 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807681821
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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: Oct 29
Current: £685 GBP|Low: £59 GBP|High: £690 GBP|Avg: £250 GBP|+0.4%
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
October 30, 2026
Retailer 9£75 GBP
Retailer 4£84 GBP
Retailer 7£87 GBP
Retailer 8£99 GBP
Retailer 11£99 GBP
Retailer 12£125 GBP
Retailer 2£179 GBP
Retailer 13£269 GBP
Retailer 10£299 GBP
Retailer 6£333 GBP
Retailer 5£342 GBP
Retailer 3£653 GBP
MOH London£685 GBP

42 data points across 13 retailers

13 retailers£75 GBP to £685 GBP

A
Cheapest Retailer
-
£75 GBP
$100 USD
A
Retailer 2
-
£84 GBP
$112 USD
View
Final sale: no returns
A
Retailer 3
-
£87 GBP
$116 USD
View
A
Retailer 4
-
£99 GBP
$132 USD
View
A
Retailer 5
-
£99 GBP
$132 USD
View
B+
Retailer 6
-
£125 GBP
$168 USD
View
A
Retailer 7
-
£179 GBP
View
B+
Retailer 8
-
£269 GBP
$360 USD
View
B+
Retailer 9
-
£299 GBP
$400 USD
View
B+
Retailer 10
-
£333 GBP
$446 USD
View
B+
Retailer 11
-
£342 GBP
$458 USD
View
B
Retailer 12
-
£653 GBP
$875 USD
View
Most Expensive
B
MOH London
LG807681821 · Oct 29
£685 GBP
View
12 more retailers have this diamond
Prices start from £75 GBPSave up to £611 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
0.64ct Round
£75 GBP