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 HK$1,609 HKD
$205 USD
As of October 25, 2026
Save HK$1,949 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,556 HKD 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
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 →
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: HK$9,556 HKD|Low: HK$714 HKD|High: HK$9,556 HKD|Avg: HK$3,446 HKD|+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 9HK$1,012 HKD
Retailer 11HK$1,609 HKD
Retailer 12HK$2,017 HKD
Retailer 7HK$2,028 HKD
Retailer 6HK$2,201 HKD
Retailer 2HK$2,290 HKD
Retailer 8HK$2,542 HKD
Retailer 10HK$3,649 HKD
Retailer 3HK$4,085 HKD
Retailer 5HK$4,472 HKD
Retailer 4HK$7,268 HKD
MOH LondonHK$9,556 HKD

24 data points across 12 retailers

17 retailersHK$1,609 HKD to HK$3,557 HKD

Retailer 1
-
HK$910 HKD
$116 USD
Price last confirmed 21 days ago
Retailer 2
-
HK$1,059 HKD
$135 USD
View
Price last confirmed 32 days ago
Retailer 3
-
HK$1,193 HKD
$152 USD
View
Price last confirmed 32 days ago
Retailer 4
-
HK$1,200 HKD
$153 USD
View
Price last confirmed 24 days ago
Retailer 5
-
HK$1,200 HKD
$153 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$1,609 HKD
$205 USD
View
Retailer 7
-
HK$2,017 HKD
$257 USD
View
Price last confirmed 14 days ago
Retailer 8
-
HK$2,028 HKD
ZAR 4,175 ZAR
View
Price last confirmed 17 days ago
Retailer 9
-
HK$2,201 HKD
£221 GBP
View
Price last confirmed 16 days ago
A
Retailer 10
-
HK$2,290 HKD
€278 EUR
View
Retailer 11
-
HK$2,542 HKD
£255 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
HK$3,557 HKD
£357 GBP
View
Retailer 13
-
HK$3,649 HKD
$465 USD
View
Price last confirmed 15 days ago
Retailer 14
-
HK$4,085 HKD
$521 USD
View
Price last confirmed 15 days ago
Retailer 15
-
HK$4,472 HKD
$570 USD
View
Price last confirmed 11 days ago
Retailer 16
-
HK$7,268 HKD
$926 USD
View
Price last confirmed 15 days ago
Most Expensive
MOH London
LG639405900 · Oct 11
HK$9,556 HKD
£959 GBP
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from HK$1,609 HKDSave up to HK$1,949 HKD

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
HK$1,609 HKD