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Round|Lab Grown|IGI

0.73ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG459192030

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459192030

Diamond specifications and retailer prices

From $556 AUD
$390 USD
As of November 2, 2026
Save $4,061 AUD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,617 AUD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459192030 or 459192030. Listed at 12 retailers as of November 1, 2026, with prices from $556 to $4,617, a $4,061 spread on the same certified stone. MOH London lists it at $4,617. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459192030
Dimensions5.77 × 5.79 × 3.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.77 mm5.79 mm0.73 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459192030
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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 2
Current: $4,617 AUD|Low: $556 AUD|High: $4,674 AUD|Avg: $1,645 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$556 AUD
Retailer 6$858 AUD
Retailer 9$960 AUD
Retailer 10$960 AUD
Retailer 7$1,063 AUD
Retailer 8$1,632 AUD
Retailer 2$1,645 AUD
Retailer 3$1,766 AUD
Retailer 5$2,638 AUD
MOH London$4,617 AUD

42 data points across 10 retailers

12 retailers$556 AUD to $4,617 AUD

A
Cheapest Retailer
-
$556 AUD
$390 USD
B+
Retailer 2
-
$858 AUD
$601 USD
View
B+
Retailer 3
-
$960 AUD
$673 USD
View
B+
Retailer 4
-
$960 AUD
$673 USD
View
Final sale: no returns
Retailer 5
-
$1,063 AUD
$745 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,063 AUD
$745 USD
View
B
Retailer 7
-
$1,632 AUD
$1,144 USD
View
B
Retailer 8
-
$1,645 AUD
£908 GBP
View
B
Retailer 9
-
$1,766 AUD
€1,179 EUR
View
B
Retailer 10
-
$2,638 AUD
$1,849 USD
View
B
Retailer 11
-
$2,797 AUD
$1,960 USD
View
Most Expensive
B
MOH London
LG459192030 · Nov 1
$4,617 AUD
£2,548 GBP
View
11 more retailers have this diamond
Prices start from $556 AUDSave up to $4,061 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
$556 AUD