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Radiant|Lab Grown|GCAL

3.03ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • GCAL 323000128

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 323000128

Diamond specifications and retailer prices

From HK$3,041 HKD
As of November 6, 2026
Save HK$12,845 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$15,886 HKD at Riddles Jewelry · As of November 6, 2026
View at Riddles Jewelry

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 323000128. Listed at 11 retailers as of November 6, 2026, with prices from HK$3,041 to HK$15,886, a HK$12,845 spread on the same certified stone. Riddles Jewelry lists it at HK$15,886. 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

3.03
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.5°
Pavilion angle56.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 323000128
Dimensions9.86 × 6.99 × 4.88 mm
L/W Ratio1.41
Culet sizeNone
Top View
9.86 mm6.99 mm3.03 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 323000128
Side View
Table 61.0%Crown 40.5°Girdle: THK-VTKPavilion 56.8°Culet: NoneDepth 69.7%

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 6
Current: HK$11,012 HKD|Low: HK$2,688 HKD|High: HK$15,886 HKD|Avg: HK$9,200 HKD|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Riddles Jewelry
November 6, 2026
Retailer 8HK$3,041 HKD
Retailer 4HK$3,401 HKD
Retailer 7HK$3,770 HKD
Retailer 10HK$5,565 HKD
Retailer 6HK$6,435 HKD
Retailer 1HK$11,012 HKD
Retailer 5HK$11,450 HKD
Retailer 9HK$13,371 HKD
Retailer 2HK$14,491 HKD
Retailer 3HK$15,236 HKD
Riddles JewelryHK$15,886 HKD

33 data points across 11 retailers

11 retailersHK$3,041 HKD to HK$15,886 HKD

A
Cheapest Retailer
-
HK$3,041 HKD
A
Retailer 2
-
HK$3,401 HKD
View
A
Retailer 3
-
HK$3,770 HKD
View
B+
Retailer 4
-
HK$5,565 HKD
View
A
Retailer 5
-
HK$6,435 HKD
View
B+
Retailer 6
-
HK$11,012 HKD
View
B+
Retailer 7
-
HK$11,450 HKD
View
B+
Retailer 8
-
HK$13,371 HKD
View
B+
Retailer 9
-
HK$14,491 HKD
View
B+
Retailer 10
-
HK$15,236 HKD
View
Most Expensive
B
Riddles Jewelry
1966654647 · Nov 6
HK$15,886 HKD
$2,027 USD
View
10 more retailers have this diamond
Prices start from HK$3,041 HKDSave up to HK$12,845 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
3.03ct Radiant
HK$3,041 HKD