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 $205 USD
As of October 25, 2026
Save $248 USD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,218 USD 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 25, 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
Color
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 →
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 25
Current: $1,218 USD|Low: $91 USD|High: $1,218 USD|Avg: $439 USD|+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$129 USD
Retailer 11$205 USD
Retailer 12$257 USD
Retailer 7$258 USD
Retailer 6$280 USD
Retailer 2$292 USD
Retailer 8$324 USD
Retailer 10$465 USD
Retailer 3$521 USD
Retailer 5$570 USD
Retailer 4$926 USD
MOH London$1,218 USD

24 data points across 12 retailers

17 retailers$205 USD to $453 USD

A
Retailer 1
-
$116 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$135 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$152 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$153 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$153 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$205 USD
View
A
Retailer 7
-
$257 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$258 USD
ZAR 4,175 ZAR
View
Price last confirmed 16 days ago
A
Retailer 9
-
$280 USD
£221 GBP
View
Price last confirmed 16 days ago
A
Retailer 10
-
$292 USD
€278 EUR
View
A
Retailer 11
-
$324 USD
£255 GBP
View
Price last confirmed 17 days ago
B+
Retailer 12
-
$453 USD
£357 GBP
View
B+
Retailer 13
-
$465 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$521 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
$570 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$926 USD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG639405900 · Oct 11
$1,218 USD
£959 GBP
View
Price last confirmed 18 days ago
16 more retailers have this diamond
Prices start from $205 USDSave up to $248 USD

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 Radiant
$205 USD