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0.64ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG559281072

Shape and cutting style on the report: Round brilliant

Certificate IGI LG559281072

Diamond specifications and retailer prices

From £298 GBP
$399 USD
As of October 30, 2026
Save £497 GBP (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £794 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559281072 or 559281072. Listed at 3 retailers as of October 29, 2026, with prices from £298 to £794, a £497 spread on the same certified stone. MOH London lists it at £794. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281072
Dimensions5.62 × 5.59 × 3.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.62 mm5.59 mm0.64 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281072
Side View
Table 56.5%Crown 33.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £794 GBP|Low: £236 GBP|High: £800 GBP|Avg: £394 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4£236 GBP
Retailer 3£298 GBP
Retailer 2£304 GBP
MOH London£794 GBP

39 data points across 4 retailers

3 retailers£298 GBP to £794 GBP

A
Cheapest Retailer
-
£298 GBP
$399 USD
A
Retailer 2
-
£304 GBP
View
Most Expensive
B
MOH London
LG559281072 · Oct 29
£794 GBP
View
2 more retailers have this diamond
Prices start from £298 GBPSave up to £497 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
£298 GBP