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Radiant|Lab Grown|IGI

5.05ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG648486284

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

Certificate IGI LG648486284

Diamond specifications and retailer prices

From HK$3,931 HKD
$501 USD
As of October 30, 2026
Save HK$29,100 HKD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$33,030 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.05ct lab-grown radiant diamond

This 5.05ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648486284 or 648486284. Listed at 15 retailers as of October 30, 2026, with prices from HK$3,931 to HK$33,030, a HK$29,100 spread on the same certified stone. Brilliant Earth lists it at HK$33,030. 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

5.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648486284
Dimensions11.98 × 8.39 × 5.75 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm8.39 mm5.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648486284
Side View
Table 66.0%Crown 44.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.5%

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 30
Current: HK$33,030 HKD|Low: HK$3,931 HKD|High: HK$39,935 HKD|Avg: HK$11,885 HKD|-17.3%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 16HK$3,931 HKD
Retailer 12HK$4,401 HKD
Retailer 4HK$4,880 HKD
Retailer 5HK$4,880 HKD
Retailer 15HK$5,129 HKD
Retailer 9HK$5,963 HKD
Retailer 8HK$7,383 HKD
Retailer 2HK$8,116 HKD
Retailer 6HK$8,316 HKD
Retailer 11HK$8,353 HKD
Retailer 13HK$12,585 HKD
Retailer 3HK$12,828 HKD
Retailer 7HK$15,613 HKD
Retailer 10HK$20,386 HKD
Retailer 14HK$23,106 HKD
Brilliant EarthHK$33,030 HKD

38 data points across 16 retailers

15 retailersHK$3,931 HKD to HK$33,030 HKD

A
Cheapest Retailer
-
HK$3,931 HKD
$501 USD
A
Retailer 2
-
HK$4,401 HKD
$561 USD
View
A
Retailer 3
-
HK$4,880 HKD
$622 USD
View
Retailer 4
-
HK$4,880 HKD
$622 USD
View
Price last confirmed 14 days ago
Retailer 5
-
HK$5,129 HKD
£515 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$5,963 HKD
$760 USD
View
A
Retailer 7
-
HK$8,116 HKD
£815 GBP
View
A
Retailer 8
-
HK$8,316 HKD
$1,060 USD
View
Retailer 9
-
HK$8,353 HKD
€1,014 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
HK$12,585 HKD
$1,604 USD
View
B+
Retailer 11
-
HK$12,828 HKD
$1,635 USD
View
B+
Retailer 12
-
HK$15,613 HKD
$1,990 USD
View
B
Retailer 13
-
HK$20,386 HKD
£2,046 GBP
View
B
Retailer 14
-
HK$23,106 HKD
$2,945 USD
View
Most Expensive
B
Brilliant Earth
11435167A · Oct 30
HK$33,030 HKD
$4,210 USD
View
14 more retailers have this diamond
Prices start from HK$3,931 HKDSave up to HK$29,100 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
5.05ct Radiant
HK$3,931 HKD