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Round|Natural|GIA

1.24ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5553587100

Certificate GIA 5553587100

Diamond specifications and retailer prices

From HK$21,290 HKD
As of November 1, 2026
Save HK$28,287 HKD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$49,577 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553587100. Listed at 17 retailers as of October 30, 2026, with prices from HK$21,290 to HK$49,577, a HK$28,287 spread on the same certified stone. NZ Jewellers lists it at HK$49,577. 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

1.24
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553587100
Dimensions6.82 × 6.87 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.82 mm6.87 mm1.24 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553587100
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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$49,577 HKD|Low: HK$21,089 HKD|High: HK$54,316 HKD|Avg: HK$31,791 HKD|-8.7%
NZ Jewellers
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 1, 2026
Retailer 10HK$21,290 HKD
Retailer 3HK$22,886 HKD
Retailer 6HK$23,788 HKD
Retailer 4HK$24,212 HKD
Retailer 13HK$25,781 HKD
Retailer 15HK$25,781 HKD
Retailer 5HK$26,770 HKD
Retailer 7HK$29,264 HKD
Retailer 14HK$29,264 HKD
Retailer 9HK$29,561 HKD
Retailer 16HK$29,751 HKD
Retailer 12HK$30,206 HKD
Retailer 11HK$30,530 HKD
Retailer 8HK$32,238 HKD
Retailer 2HK$47,588 HKD
NZ JewellersHK$49,577 HKD

41 data points across 16 retailers

17 retailersHK$21,290 HKD to HK$49,577 HKD

A
Cheapest Retailer
-
HK$21,290 HKD
B+
Retailer 2
-
HK$22,886 HKD
$2,917 USD
View
B+
Retailer 3
-
HK$23,117 HKD
A$4,533 AUD
View
B+
Retailer 4
-
HK$23,788 HKD
$3,032 USD
View
Final sale: no returns
Retailer 5
-
HK$24,212 HKD
$3,086 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$25,781 HKD
$3,286 USD
View
B+
Retailer 7
-
HK$25,781 HKD
$3,286 USD
View
B+
Retailer 8
-
HK$26,770 HKD
$3,412 USD
View
B+
Retailer 9
-
HK$29,264 HKD
$3,730 USD
View
B+
Retailer 10
-
HK$29,264 HKD
$3,730 USD
View
B+
Retailer 11
-
HK$29,561 HKD
£2,967 GBP
View
B
Retailer 12
-
HK$29,751 HKD
$3,792 USD
View
B+
Retailer 13
-
HK$30,206 HKD
$3,850 USD
View
B+
Retailer 14
-
HK$30,530 HKD
€3,706 EUR
View
Retailer 15
-
HK$32,238 HKD
$4,109 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
HK$47,588 HKD
£4,776 GBP
View
Most Expensive
B
NZ Jewellers
e8b27764-36d9-4b82-9b4d-08975005fb1f · Oct 30
HK$49,577 HKD
$6,319 USD
View
16 more retailers have this diamond
Prices start from HK$21,290 HKDSave up to HK$28,287 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
1.24ct Round
HK$21,290 HKD