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Radiant|Lab Grown|IGI

0.49ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG625474751

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG625474751

Diamond specifications and retailer prices

From €147 EUR
£130 GBP
As of November 1, 2026
Save €444 EUR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €591 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 0.49ct lab-grown radiant diamond

This 0.49ct lab-grown radiant sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625474751 or 625474751. Listed at 5 retailers as of October 26, 2026, with prices from €147 to €591, a €444 spread on the same certified stone. MOH London lists it at €591. 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

0.49
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625474751
Dimensions5.15 × 3.88 × 2.84 mm
L/W Ratio1.33
Culet sizeNone
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
5.15 mm3.88 mm0.49 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG625474751
Side View
Table 74.0%Crown 42.6°Girdle: THK-VTKPavilion 41.9°Culet: NoneDepth 73.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €591 EUR|Low: €109 EUR|High: €598 EUR|Avg: €291 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2€147 EUR
Retailer 4€183 EUR
Retailer 3€194 EUR
Retailer 5€357 EUR
MOH London€591 EUR

42 data points across 5 retailers

5 retailers€147 EUR to €591 EUR

A
Cheapest Retailer
-
€147 EUR
£130 GBP
A
Retailer 2
-
€183 EUR
$204 USD
View
A
Retailer 3
-
€194 EUR
£171 GBP
View
B
Retailer 4
-
€357 EUR
$399 USD
View
Most Expensive
B
MOH London
LG625474751 · Oct 26
€591 EUR
£520 GBP
View
4 more retailers have this diamond
Prices start from €147 EURSave up to €444 EUR

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
0.49ct Radiant
€147 EUR