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0.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG816606133

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816606133

Diamond specifications and retailer prices

From $433 NZD
$243 USD
As of October 27, 2026
Save $1,038 NZD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,471 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown round diamond

This 0.73ct 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 LG816606133 or 816606133. Listed at 7 retailers as of October 27, 2026, with prices from $433 to $1,471, a $1,038 spread on the same certified stone. MOH London lists it at $1,471. 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

0.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816606133
Dimensions5.77 × 5.72 × 3.58 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
5.77 mm5.72 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816606133
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.3%

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: Oct 27
Current: $1,471 NZD|Low: $321 NZD|High: $1,471 NZD|Avg: $699 NZD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$321 NZD
Retailer 7$433 NZD
Retailer 2$535 NZD
Retailer 5$581 NZD
Retailer 3$617 NZD
Retailer 6$1,105 NZD
MOH London$1,471 NZD

41 data points across 7 retailers

7 retailers$433 NZD to $1,471 NZD

A
Retailer 1
-
$321 NZD
$180 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$433 NZD
$243 USD
View
A
Retailer 3
-
$535 NZD
£236 GBP
View
A
Retailer 4
-
$581 NZD
$326 USD
View
B+
Retailer 5
-
$617 NZD
€330 EUR
View
B
Retailer 6
-
$1,105 NZD
$620 USD
View
Most Expensive
B
MOH London
LG816606133 · Oct 29
$1,471 NZD
£650 GBP
View
6 more retailers have this diamond
Prices start from $433 NZDSave up to $1,038 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
0.73ct Round
$433 NZD