Round|Natural|GIA

0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557129599

Certificate GIA 1557129599

Diamond specifications and retailer prices

From HK$4,315 HKD
As of November 5, 2026
Save HK$3,649 HKD (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,964 HKD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557129599. Listed at 11 retailers as of November 5, 2026, with prices from HK$4,315 to HK$7,964, a HK$3,649 spread on the same certified stone. Frank Darling lists it at HK$7,964. 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

0.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557129599
Dimensions5.33 × 3.19 × 3.19 mm
L/W Ratio1.67
Culet sizeNone
Top View
5.33 mm3.19 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557129599
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.7%

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 5
Current: HK$7,964 HKD|Low: HK$4,315 HKD|High: HK$8,054 HKD|Avg: HK$6,057 HKD|-1.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9HK$4,315 HKD
Retailer 10HK$4,637 HKD
Retailer 4HK$4,997 HKD
Retailer 3HK$5,366 HKD
Retailer 7HK$6,017 HKD
Retailer 5HK$6,457 HKD
Retailer 6HK$6,472 HKD
Retailer 2HK$6,794 HKD
Retailer 8HK$6,888 HKD
Frank DarlingHK$7,964 HKD

41 data points across 10 retailers

11 retailersHK$4,315 HKD to HK$7,964 HKD

A
Cheapest Retailer
-
HK$4,315 HKD
A
Retailer 2
-
HK$4,637 HKD
View
A
Retailer 3
-
HK$4,997 HKD
View
A
Retailer 4
-
HK$5,366 HKD
View
B+
Retailer 5
-
HK$5,515 HKD
View
B+
Retailer 6
-
HK$6,017 HKD
View
B+
Retailer 7
-
HK$6,457 HKD
View
B+
Retailer 8
-
HK$6,472 HKD
View
B+
Retailer 9
-
HK$6,794 HKD
View
B+
Retailer 10
-
HK$6,888 HKD
View
Most Expensive
B+
Frank Darling
2628440HK · Nov 6
HK$7,964 HKD
$1,015 USD
View
10 more retailers have this diamond
Prices start from HK$4,315 HKDSave up to HK$3,649 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
0.55ct Round
HK$4,315 HKD