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 $364 NZD
$205 USD
As of October 30, 2026
Save $441 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,161 NZD 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 17 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: $2,161 NZD|Low: $161 NZD|High: $2,161 NZD|Avg: $779 NZD|+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
October 23, 2026
Retailer 9$229 NZD
Retailer 11$364 NZD
Retailer 12$456 NZD
Retailer 7$459 NZD
Retailer 6$498 NZD
Retailer 2$518 NZD
Retailer 8$575 NZD
Retailer 10$825 NZD
Retailer 3$924 NZD
Retailer 5$1,011 NZD
Retailer 4$1,643 NZD
MOH London$2,161 NZD

24 data points across 12 retailers

17 retailers$364 NZD to $804 NZD

Retailer 1
-
$206 NZD
$116 USD
Price last confirmed 22 days ago
Retailer 2
-
$240 NZD
$135 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$270 NZD
$152 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$271 NZD
$153 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$271 NZD
$153 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$364 NZD
$205 USD
View
Retailer 7
-
$456 NZD
$257 USD
View
Price last confirmed 15 days ago
Retailer 8
-
$459 NZD
ZAR 4,175 ZAR
View
Price last confirmed 17 days ago
Retailer 9
-
$498 NZD
£221 GBP
View
Price last confirmed 17 days ago
Retailer 10
-
$518 NZD
€278 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$575 NZD
£255 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$804 NZD
£357 GBP
View
Retailer 13
-
$825 NZD
$465 USD
View
Price last confirmed 16 days ago
Retailer 14
-
$924 NZD
$521 USD
View
Price last confirmed 16 days ago
Retailer 15
-
$1,011 NZD
$570 USD
View
Price last confirmed 11 days ago
Retailer 16
-
$1,643 NZD
$926 USD
View
Price last confirmed 16 days ago
Most Expensive
MOH London
LG639405900 · Oct 11
$2,161 NZD
£959 GBP
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from $364 NZDSave up to $441 NZD

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
$364 NZD