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Radiant|Lab Grown|IGI

5.03ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG617472717

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

Certificate IGI LG617472717

Diamond specifications and retailer prices

From HK$5,524 HKD
$704 USD
As of November 2, 2026
Save HK$30,255 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$35,778 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG617472717 or 617472717. Listed at 19 retailers as of November 2, 2026, with prices from HK$5,524 to HK$35,778, a HK$30,255 spread on the same certified stone. Brilliant Earth lists it at HK$35,778. 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

5.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617472717
Dimensions12.17 × 8.36 × 5.46 mm
L/W Ratio1.46
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
12.17 mm8.36 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617472717
Side View
Table 66.0%Crown 41.1°Girdle: MediumPavilion 30.9°Culet: NoneDepth 65.3%

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 2
Current: HK$35,778 HKD|Low: HK$5,304 HKD|High: HK$35,778 HKD|Avg: HK$12,419 HKD
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
November 2, 2026
Retailer 4HK$5,524 HKD
Retailer 3HK$6,010 HKD
Retailer 6HK$6,175 HKD
Retailer 8HK$6,402 HKD
Retailer 13HK$6,402 HKD
Retailer 9HK$7,163 HKD
Retailer 16HK$7,807 HKD
Retailer 12HK$10,166 HKD
Retailer 10HK$10,265 HKD
Retailer 5HK$10,404 HKD
Retailer 15HK$10,537 HKD
Retailer 2HK$14,570 HKD
Retailer 14HK$18,007 HKD
Retailer 7HK$20,955 HKD
Retailer 11HK$25,151 HKD
Brilliant EarthHK$35,778 HKD

37 data points across 16 retailers

19 retailersHK$5,524 HKD to HK$35,778 HKD

A
Cheapest Retailer
-
HK$5,524 HKD
$704 USD
A
Retailer 2
-
HK$6,010 HKD
$766 USD
View
A
Retailer 3
-
HK$6,175 HKD
$787 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,402 HKD
$816 USD
View
Retailer 5
-
HK$6,402 HKD
$816 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$7,163 HKD
£719 GBP
View
A
Retailer 7
-
HK$7,807 HKD
$995 USD
View
B+
Retailer 8
-
HK$9,980 HKD
$1,272 USD
View
B+
Retailer 9
-
HK$10,166 HKD
€1,234 EUR
View
B+
Retailer 10
-
HK$10,265 HKD
£1,030 GBP
View
B+
Retailer 11
-
HK$10,404 HKD
$1,326 USD
View
B+
Retailer 12
-
HK$10,537 HKD
$1,343 USD
View
B+
Retailer 13
-
HK$14,570 HKD
$1,857 USD
View
B
Retailer 14
-
HK$18,007 HKD
$2,295 USD
View
B
Retailer 15
-
HK$20,955 HKD
$2,671 USD
View
B
Retailer 16
-
HK$22,083 HKD
$2,815 USD
View
Retailer 17
-
HK$24,205 HKD
$3,085 USD
View
Price last confirmed 40 days ago
B
Retailer 18
-
HK$25,151 HKD
£2,524 GBP
View
Most Expensive
B
Brilliant Earth
9075328A · Nov 2
HK$35,778 HKD
$4,560 USD
View
18 more retailers have this diamond
Prices start from HK$5,524 HKDSave up to HK$30,255 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
5.03ct Radiant
HK$5,524 HKD