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Radiant|Lab Grown|IGI

4.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG613377657

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

Certificate IGI LG613377657

Diamond specifications and retailer prices

From HK$6,512 HKD
$830 USD
As of November 1, 2026
Save HK$11,949 HKD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$18,461 HKD at Adiamor · As of November 2, 2026
View at Adiamor

About this 4.5ct lab-grown radiant diamond

This 4.5ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613377657 or 613377657. Listed at 6 retailers as of November 1, 2026, with prices from HK$6,512 to HK$18,461, a HK$11,949 spread on the same certified stone. Adiamor lists it at HK$18,461. 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

4.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613377657
Dimensions11.97 × 8.12 × 5.35 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.97 mm8.12 mm4.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613377657
Side View
Table 64.0%Crown 46°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.9%

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: Nov 1
Current: HK$18,461 HKD|Low: HK$5,900 HKD|High: HK$46,525 HKD|Avg: HK$20,278 HKD|-2.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5HK$6,512 HKD
Retailer 2HK$7,892 HKD
Retailer 3HK$12,208 HKD
Retailer 6HK$15,372 HKD
AdiamorHK$18,461 HKD
Retailer 4HK$25,961 HKD
Retailer 8HK$29,547 HKD
Retailer 7HK$46,525 HKD

12 data points across 8 retailers

6 retailersHK$6,512 HKD to HK$18,461 HKD

B+
Cheapest Retailer
-
HK$6,512 HKD
$830 USD
A
Retailer 2
-
HK$7,892 HKD
€958 EUR
View
Retailer 3
-
HK$12,208 HKD
$1,556 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
HK$12,643 HKD
£1,269 GBP
View
B
Retailer 5
-
HK$15,372 HKD
$1,959 USD
View
Most Expensive
B
Adiamor
D-73418191 · Nov 2
HK$18,461 HKD
$2,353 USD
View
5 more retailers have this diamond
Prices start from HK$6,512 HKDSave up to HK$11,949 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
4.50ct Radiant
HK$6,512 HKD