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Round|Lab Grown|IGI

0.73ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG816670155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816670155

Diamond specifications and retailer prices

From $171 AUD
$120 USD
As of October 29, 2026
Save $1,601 AUD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,772 AUD 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 very-good cut grade and certified by IGI LG816670155 or 816670155. Listed at 11 retailers as of October 29, 2026, with prices from $171 to $1,772, a $1,601 spread on the same certified stone. MOH London lists it at $1,772. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670155
Dimensions5.69 × 5.72 × 3.52 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
5.69 mm5.72 mm0.73 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816670155
Side View
Table 61.0%Crown 37°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 61.7%

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 29
Current: $1,772 AUD|Low: $189 AUD|High: $1,772 AUD|Avg: $659 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$189 AUD
Retailer 4$225 AUD
Retailer 5$336 AUD
Retailer 8$410 AUD
Retailer 2$432 AUD
Retailer 9$593 AUD
Retailer 3$756 AUD
Retailer 10$759 AUD
Retailer 7$1,333 AUD
MOH London$1,772 AUD

8 data points across 10 retailers

11 retailers$171 AUD to $1,772 AUD

A
Cheapest Retailer
-
$171 AUD
$120 USD
A
Retailer 2
-
$189 AUD
$133 USD
View
Final sale: no returns
B+
Retailer 3
-
$225 AUD
$158 USD
View
A
Retailer 4
-
$336 AUD
$236 USD
View
B+
Retailer 5
-
$410 AUD
$288 USD
View
B+
Retailer 6
-
$432 AUD
£239 GBP
View
B+
Retailer 7
-
$593 AUD
SGD 563 SGD
View
B
Retailer 8
-
$756 AUD
$531 USD
View
B
Retailer 9
-
$759 AUD
$533 USD
View
B
Retailer 10
-
$1,333 AUD
$937 USD
View
Most Expensive
C
MOH London
LG816670155 · Oct 29
$1,772 AUD
£980 GBP
View
10 more retailers have this diamond
Prices start from $171 AUDSave up to $1,601 AUD

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
$171 AUD