CaratHunter
Plans
Radiant|Lab Grown|IGI

1.50ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG647447808

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

Certificate IGI LG647447808

Diamond specifications and retailer prices

From HK$1,640 HKD
$209 USD
As of October 25, 2026
Save HK$6,912 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,552 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647447808 or 647447808. Listed at 16 retailers as of October 25, 2026, with prices from HK$1,640 to HK$8,552, a HK$6,912 spread on the same certified stone. Brilliant Earth lists it at HK$8,552. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647447808
Dimensions7.93 × 5.74 × 3.82 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.74 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647447808
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.6%

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$8,552 HKD|Low: HK$1,538 HKD|High: HK$10,121 HKD|Avg: HK$4,116 HKD|-15.5%
Brilliant Earth
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
October 30, 2026
Retailer 14HK$1,538 HKD
Retailer 4HK$1,616 HKD
Retailer 8HK$1,640 HKD
Retailer 11HK$2,111 HKD
Retailer 2HK$2,913 HKD
Retailer 12HK$2,942 HKD
Retailer 3HK$3,058 HKD
Retailer 10HK$3,106 HKD
Retailer 6HK$3,436 HKD
Retailer 5HK$4,276 HKD
Retailer 9HK$5,570 HKD
Retailer 13HK$6,787 HKD
Retailer 7HK$7,712 HKD
Brilliant EarthHK$8,552 HKD

38 data points across 14 retailers

16 retailersHK$1,640 HKD to HK$8,552 HKD

Retailer 1
-
HK$1,538 HKD
$196 USD
Price last confirmed 33 days ago
Retailer 2
-
HK$1,616 HKD
$206 USD
View
Price last confirmed 33 days ago
Retailer 3
-
HK$1,640 HKD
$209 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
HK$1,640 HKD
$209 USD
View
Retailer 5
-
HK$2,111 HKD
£212 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$2,913 HKD
£292 GBP
View
B+
Retailer 7
-
HK$2,942 HKD
$375 USD
View
Retailer 8
-
HK$3,058 HKD
£307 GBP
View
Price last confirmed 21 days ago
A
Retailer 9
-
HK$3,106 HKD
€377 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
HK$3,436 HKD
$438 USD
View
B+
Retailer 11
-
HK$4,276 HKD
$545 USD
View
B
Retailer 12
-
HK$5,570 HKD
$710 USD
View
B+
Retailer 13
-
HK$5,757 HKD
£578 GBP
View
Retailer 14
-
HK$6,787 HKD
$865 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
HK$7,712 HKD
£774 GBP
View
Most Expensive
B
Brilliant Earth
11455293A · Oct 30
HK$8,552 HKD
$1,090 USD
View
15 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$6,912 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
1.50ct Radiant
HK$1,640 HKD