Radiant|Lab Grown|IGI

0.73ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG639405900

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

Certificate IGI LG639405900

Diamond specifications and retailer prices

From $292 AUD
$205 USD
As of October 30, 2026
Save $354 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,734 AUD at MOH London · As of October 11, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639405900 or 639405900. Listed at 16 retailers as of October 29, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639405900
Dimensions6.19 × 4.56 × 3.13 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.19 mm4.56 mm0.73 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG639405900
Side View
Table 64.0%Crown 40.2°Girdle: THN-MEDPavilion 35.6°Culet: NoneDepth 68.6%

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: Oct 30
Current: $1,734 AUD|Low: $130 AUD|High: $1,734 AUD|Avg: $603 AUD|+0.1%
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
October 23, 2026
Retailer 11$184 AUD
Retailer 9$218 AUD
Retailer 13$292 AUD
Retailer 3$366 AUD
Retailer 8$368 AUD
Retailer 7$399 AUD
Retailer 2$416 AUD
Retailer 10$461 AUD
Retailer 12$662 AUD
Retailer 4$741 AUD
Retailer 6$811 AUD
Retailer 5$1,319 AUD
MOH London$1,734 AUD

24 data points across 13 retailers

16 retailers$292 AUD to $645 AUD

Retailer 1
-
$165 AUD
$116 USD
Price last confirmed 23 days ago
Retailer 2
-
$192 AUD
$135 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$216 AUD
$152 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$218 AUD
$153 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$218 AUD
$153 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$292 AUD
$205 USD
View
Retailer 7
-
$368 AUD
ZAR 4,175 ZAR
View
Price last confirmed 18 days ago
Retailer 8
-
$399 AUD
£221 GBP
View
Price last confirmed 18 days ago
Retailer 9
-
$416 AUD
€278 EUR
View
Price last confirmed 7 days ago
Retailer 10
-
$461 AUD
£255 GBP
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$645 AUD
£357 GBP
View
Retailer 12
-
$662 AUD
$465 USD
View
Price last confirmed 17 days ago
Retailer 13
-
$741 AUD
$521 USD
View
Price last confirmed 16 days ago
Retailer 14
-
$811 AUD
$570 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$1,319 AUD
$926 USD
View
Price last confirmed 17 days ago
Most Expensive
MOH London
LG639405900 · Oct 11
$1,734 AUD
£959 GBP
View
Price last confirmed 20 days ago
15 more retailers have this diamond
Prices start from $292 AUDSave up to $354 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
$292 AUD