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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 $310 USD
As of November 5, 2026
Save $1,123 USD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,433 USD 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 $310 to $1,433, a $1,123 spread on the same certified stone. MOH London lists it at $1,433. 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
Color
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

How it works →
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: $1,433 USD|Low: $310 USD|High: $1,453 USD|Avg: $620 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$310 USD
Retailer 7$335 USD
Retailer 6$358 USD
Retailer 5$588 USD
Retailer 2$622 USD
Retailer 3$665 USD
MOH London$1,433 USD

43 data points across 7 retailers

7 retailers$310 USD to $1,433 USD

B+
Cheapest Retailer
-
$310 USD
B+
Retailer 2
-
$335 USD
View
Retailer 3
-
$358 USD
View
Price last confirmed 12 days ago
B
Retailer 4
-
$588 USD
View
B
Retailer 5
-
$622 USD
View
Retailer 6
-
$665 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG474113274 · Nov 5
$1,433 USD
£1,128 GBP
View
6 more retailers have this diamond
Prices start from $310 USDSave up to $1,123 USD

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
$310 USD