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Round|Lab Grown|IGI

0.45ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG474113274

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474113274

Diamond specifications and retailer prices

From €276 EUR
As of November 5, 2026
Save €1,000 EUR (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,276 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474113274 or 474113274. Listed at 7 retailers as of November 5, 2026, with prices from €276 to €1,276, a €1,000 spread on the same certified stone. MOH London lists it at €1,276. 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

0.45
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474113274
Dimensions4.86 × 4.88 × 3.04 mm
L/W Ratio1.00
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
4.86 mm4.88 mm0.45 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474113274
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €1,276 EUR|Low: €276 EUR|High: €1,294 EUR|Avg: €552 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4€276 EUR
Retailer 7€298 EUR
Retailer 6€319 EUR
Retailer 5€524 EUR
Retailer 2€554 EUR
Retailer 3€592 EUR
MOH London€1,276 EUR

43 data points across 7 retailers

7 retailers€276 EUR to €1,276 EUR

B+
Cheapest Retailer
-
€276 EUR
B+
Retailer 2
-
€298 EUR
View
Retailer 3
-
€319 EUR
View
Price last confirmed 12 days ago
B
Retailer 4
-
€524 EUR
View
B
Retailer 5
-
€554 EUR
View
Retailer 6
-
€592 EUR
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG474113274 · Nov 5
€1,276 EUR
£1,128 GBP
View
6 more retailers have this diamond
Prices start from €276 EURSave up to €1,000 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.

B+
0.45ct Round
€276 EUR