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Radiant|Lab Grown|IGI

0.73ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG644420131

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG644420131

Diamond specifications and retailer prices

From $643 AUD
£355 GBP
As of November 2, 2026
Save $146 AUD (18%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,830 AUD at MOH London · As of October 15, 2026
View at MOH London

About this 0.73ct lab-grown radiant diamond

This 0.73ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644420131 or 644420131. Listed at 17 retailers as of November 2, 2026, with a relatively tight 23% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644420131
Dimensions6.36 × 4.42 × 2.82 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm4.42 mm0.73 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG644420131
Side View
Table 66.0%Crown 40.2°Girdle: ThickPavilion 30.2°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,830 AUD|Low: $168 AUD|High: $1,834 AUD|Avg: $613 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 16, 2026
Retailer 13$176 AUD
Retailer 18$195 AUD
Retailer 16$231 AUD
Retailer 6$307 AUD
Retailer 8$371 AUD
Retailer 12$382 AUD
Retailer 11$427 AUD
Retailer 14$471 AUD
Retailer 5$488 AUD
Retailer 2$527 AUD
Retailer 4$606 AUD
Retailer 9$608 AUD
Retailer 15$671 AUD
Retailer 3$681 AUD
Retailer 10$778 AUD
Retailer 7$1,131 AUD
Retailer 17$1,351 AUD
MOH London$1,830 AUD

27 data points across 18 retailers

17 retailers$643 AUD to $789 AUD

Retailer 1
-
$176 AUD
$123 USD
Price last confirmed 25 days ago
Retailer 2
-
$203 AUD
$142 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$231 AUD
$162 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$256 AUD
HK$1,400 HKD
View
Price last confirmed 18 days ago
Retailer 5
-
$307 AUD
$215 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$427 AUD
£236 GBP
View
Price last confirmed 18 days ago
Retailer 7
-
$471 AUD
$330 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$488 AUD
£269 GBP
View
Price last confirmed 19 days ago
Retailer 9
-
$527 AUD
$369 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$608 AUD
SGD 576 SGD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$643 AUD
£355 GBP
View
Retailer 12
-
$671 AUD
$470 USD
View
Price last confirmed 19 days ago
Retailer 13
-
$778 AUD
$546 USD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$789 AUD
£435 GBP
View
Retailer 15
-
$1,131 AUD
£624 GBP
View
Price last confirmed 19 days ago
Retailer 16
-
$1,351 AUD
$947 USD
View
Price last confirmed 19 days ago
Most Expensive
MOH London
LG644420131 · Oct 15
$1,830 AUD
£1,010 GBP
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from $643 AUDSave up to $146 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.

B+
0.73ct Radiant
$643 AUD