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0.57ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG648458398

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648458398

Diamond specifications and retailer prices

From £240 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: £240 GBP at MD Diamonds and Jewellers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at MD Diamonds and Jewellers

About this 0.57ct lab-grown round diamond

This 0.57ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648458398 or 648458398. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.57
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648458398
Dimensions5.35 × 5.37 × 3.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Pre-existing laser inscription on girdle. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.. Type IIa. Indications of post-growth treatment.
Top View
5.35 mm5.37 mm0.57 ctI / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG648458398
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £240 GBP|Low: £240 GBP|High: £240 GBP|Avg: £240 GBP
December 30, 2025
MD Diamonds and Jewellers£240 GBP

3 data points across 1 retailer

1 retailer

B+
MD Diamonds and Jewellers
LG648458398 · Oct 29
£240 GBP
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B+
0.57ct Round
£240 GBP