CaratHunter
Plans
Round|Natural|GIA

0.57ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1438128050

Certificate GIA 1438128050

Diamond specifications and retailer prices

From HK$2,142 HKD
As of November 5, 2026
Save HK$2,667 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$11,415 HKD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.57ct natural round diamond

This 0.57ct natural round sits in the half to three-quarter carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1438128050. Listed at 11 retailers as of November 5, 2026, with a 125% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.57
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1438128050
Dimensions5.27 × 5.31 × 3.32 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Twinning Wisp, Feather
Top View
5.27 mm5.31 mm0.57 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1438128050
Side View
Table 55.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 5
Current: HK$4,809 HKD|Low: HK$2,142 HKD|High: HK$5,382 HKD|Avg: HK$3,723 HKD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2HK$2,142 HKD
Retailer 7HK$2,510 HKD
Retailer 6HK$3,154 HKD
Retailer 4HK$3,891 HKD
Retailer 3HK$4,448 HKD
Retailer 5HK$4,589 HKD
Retailer 1HK$4,809 HKD

44 data points across 7 retailers

11 retailersHK$2,142 HKD to HK$4,809 HKD

A
Cheapest Retailer
-
HK$2,142 HKD
A
Retailer 2
-
HK$2,510 HKD
View
Retailer 3
-
HK$2,981 HKD
View
Price last confirmed 36 days ago
Retailer 4
-
HK$3,154 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$3,342 HKD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
HK$3,891 HKD
View
Retailer 7
-
HK$4,009 HKD
View
Price last confirmed 35 days ago
B+
Retailer 8
-
HK$4,448 HKD
View
B+
Retailer 9
-
HK$4,589 HKD
View
B
Retailer 10
-
HK$4,809 HKD
View
Most Expensive
NZ Jewellers
52c521ed-5fda-4bff-b122-2f70d312ff2d · Oct 3
HK$11,415 HKD
$1,455 USD
View
Price last confirmed 34 days ago
10 more retailers have this diamond
Prices start from HK$2,142 HKDSave up to HK$2,667 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
0.57ct Round
HK$2,142 HKD