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Radiant|Natural|GIA

1.50ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5553121313

Certificate GIA 5553121313

Diamond specifications and retailer prices

From HK$30,252 HKD
As of November 6, 2026
Save HK$27,494 HKD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$57,746 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553121313. Listed at 7 retailers as of November 3, 2026, with prices from HK$30,252 to HK$57,746, a HK$27,494 spread on the same certified stone. NZ Jewellers lists it at HK$57,746. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.93°
Pavilion angle35.53°
OriginNatural
Grading LabGIA
CertificateGIA 5553121313
Dimensions7.47 × 5.76 × 3.90 mm
L/W Ratio1.30
Top View
7.47 mm5.76 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553121313
Side View
Table 71.0%Crown 49.93°Girdle: Slightly ThickPavilion 35.53°Culet: NoneDepth 67.7%

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$57,746 HKD|Low: HK$30,252 HKD|High: HK$58,451 HKD|Avg: HK$38,855 HKD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 8HK$30,252 HKD
Retailer 7HK$30,276 HKD
Retailer 4HK$32,329 HKD
Retailer 2HK$33,144 HKD
Retailer 6HK$33,144 HKD
Retailer 9HK$33,622 HKD
Retailer 5HK$34,257 HKD
Retailer 10HK$38,317 HKD
Retailer 3HK$55,426 HKD
NZ JewellersHK$57,746 HKD

33 data points across 10 retailers

7 retailersHK$30,252 HKD to HK$57,746 HKD

A
Cheapest Retailer
-
HK$30,252 HKD
A
Retailer 2
-
HK$32,329 HKD
View
A
Retailer 3
-
HK$33,144 HKD
View
A
Retailer 4
-
HK$33,144 HKD
View
A
Retailer 5
-
HK$34,257 HKD
View
B+
Retailer 6
-
HK$55,426 HKD
View
Most Expensive
B
NZ Jewellers
0d7ed5b2-88a6-4fce-b8d2-eab75be28984 · Nov 3
HK$57,746 HKD
$7,368 USD
View
6 more retailers have this diamond
Prices start from HK$30,252 HKDSave up to HK$27,494 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$30,252 HKD