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Round|Lab Grown|IGI

0.73ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG816670166

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816670166

Diamond specifications and retailer prices

From $306 AUD
$215 USD
As of October 29, 2026
Save $1,461 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,767 AUD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG816670166 or 816670166. Listed at 9 retailers as of October 28, 2026, with prices from $306 to $1,767, a $1,461 spread on the same certified stone. Reve Diamonds lists it at $1,767. 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
SymmetryGood
FluorescenceNone
Crown angle37.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670166
Dimensions5.74 × 5.79 × 3.54 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
5.74 mm5.79 mm0.73 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG816670166
Side View
Table 63.0%Crown 37.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.3%

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 29
Current: $699 AUD|Low: $340 AUD|High: $1,767 AUD|Avg: $799 AUD|-11.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Reve Diamonds
October 29, 2026
Retailer 5$340 AUD
Retailer 3$380 AUD
Retailer 4$384 AUD
Retailer 6$650 AUD
Retailer 1$699 AUD
Retailer 7$1,027 AUD
Retailer 2$1,224 AUD
Reve Diamonds$1,767 AUD

8 data points across 8 retailers

9 retailers$306 AUD to $1,767 AUD

A
Cheapest Retailer
-
$306 AUD
$215 USD
B+
Retailer 2
-
$340 AUD
$239 USD
View
Final sale: no returns
B+
Retailer 3
-
$380 AUD
$267 USD
View
B+
Retailer 4
-
$384 AUD
$270 USD
View
B
Retailer 5
-
$650 AUD
$457 USD
View
B+
Retailer 6
-
$699 AUD
£387 GBP
View
B
Retailer 7
-
$1,027 AUD
SGD 975 SGD
View
B
Retailer 8
-
$1,224 AUD
$860 USD
View
Most Expensive
C
Reve Diamonds
01108A2C0 · Oct 28
$1,767 AUD
$1,241 USD
View
8 more retailers have this diamond
Prices start from $306 AUDSave up to $1,461 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
$306 AUD