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Round|Lab Grown|IGI

0.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG816606542

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816606542

Diamond specifications and retailer prices

From $150 USD
As of November 4, 2026
Save $687 USD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $837 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816606542 or 816606542. Listed at 7 retailers as of November 4, 2026, with prices from $150 to $837, a $687 spread on the same certified stone. MOH London lists it at $837. 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

0.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816606542
Dimensions5.10 × 5.07 × 3.17 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.10 mm5.07 mm0.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816606542
Side View
Table 55.0%Crown 34.8°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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 4
Current: $837 USD|Low: $150 USD|High: $843 USD|Avg: $338 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$150 USD
Retailer 2$211 USD
Retailer 4$223 USD
Retailer 5$239 USD
Retailer 7$250 USD
Retailer 6$426 USD
MOH London$837 USD

43 data points across 7 retailers

7 retailers$150 USD to $837 USD

A
Cheapest Retailer
-
$150 USD
A
Retailer 2
-
$211 USD
View
A
Retailer 3
-
$223 USD
View
B+
Retailer 4
-
$239 USD
View
B+
Retailer 5
-
$250 USD
View
B
Retailer 6
-
$426 USD
View
Most Expensive
B
MOH London
LG816606542 · Nov 4
$837 USD
£659 GBP
View
6 more retailers have this diamond
Prices start from $150 USDSave up to $687 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.

A
0.50ct Round
$150 USD