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Round|Lab Grown|IGI

0.57ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG490188474

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490188474

Diamond specifications and retailer prices

From £85 GBP
$114 USD
As of November 1, 2026
Save £795 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £880 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.57ct lab-grown round diamond

This 0.57ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490188474 or 490188474. Listed at 11 retailers as of November 1, 2026, with prices from £85 to £880, a £795 spread on the same certified stone. MOH London lists it at £880. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490188474
Dimensions5.35 × 5.30 × 3.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.35 mm5.30 mm0.57 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490188474
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

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: Nov 1
Current: £880 GBP|Low: £68 GBP|High: £891 GBP|Avg: £282 GBP|-1.1%
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
Retailer 14
November 1, 2026
Retailer 9£85 GBP
Retailer 13£95 GBP
Retailer 10£98 GBP
Retailer 7£189 GBP
Retailer 6£194 GBP
Retailer 4£206 GBP
Retailer 11£206 GBP
Retailer 3£221 GBP
Retailer 2£231 GBP
Retailer 5£309 GBP
Retailer 12£339 GBP
Retailer 8£378 GBP
Retailer 14£476 GBP
MOH London£880 GBP

23 data points across 14 retailers

11 retailers£85 GBP to £880 GBP

A
Cheapest Retailer
-
£85 GBP
$114 USD
A
Retailer 2
-
£95 GBP
$128 USD
View
Final sale: no returns
A
Retailer 3
-
£98 GBP
$132 USD
View
A
Retailer 4
-
£189 GBP
€242 EUR
View
A
Retailer 5
-
£200 GBP
HK$2,100 HKD
View
A
Retailer 6
-
£206 GBP
$277 USD
View
A
Retailer 7
-
£231 GBP
$310 USD
View
B+
Retailer 8
-
£339 GBP
$455 USD
View
B+
Retailer 9
-
£378 GBP
$507 USD
View
B+
Retailer 10
-
£476 GBP
SGD 864 SGD
View
Most Expensive
B
MOH London
LG490188474 · Nov 1
£880 GBP
View
10 more retailers have this diamond
Prices start from £85 GBPSave up to £795 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
0.57ct Round
£85 GBP