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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 $267 NZD
As of November 4, 2026
Save $1,222 NZD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,489 NZD 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 $267 to $1,489, a $1,222 spread on the same certified stone. MOH London lists it at $1,489. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,489 NZD|Low: $267 NZD|High: $1,500 NZD|Avg: $602 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$267 NZD
Retailer 2$375 NZD
Retailer 4$397 NZD
Retailer 5$425 NZD
Retailer 7$445 NZD
Retailer 6$758 NZD
MOH London$1,489 NZD

43 data points across 7 retailers

7 retailers$267 NZD to $1,489 NZD

A
Cheapest Retailer
-
$267 NZD
A
Retailer 2
-
$375 NZD
View
A
Retailer 3
-
$397 NZD
View
B+
Retailer 4
-
$425 NZD
View
B+
Retailer 5
-
$445 NZD
View
B
Retailer 6
-
$758 NZD
View
Most Expensive
B
MOH London
LG816606542 · Nov 4
$1,489 NZD
£659 GBP
View
6 more retailers have this diamond
Prices start from $267 NZDSave up to $1,222 NZD

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
$267 NZD