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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5556597374

Certificate GIA 5556597374

Diamond specifications and retailer prices

From HK$5,923 HKD
As of November 6, 2026
Save HK$8,230 HKD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$24,438 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556597374. Listed at 20 retailers as of November 2, 2026, with a 139% 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

0.55
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556597374
Dimensions5.22 × 5.19 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.22 mm5.19 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556597374
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 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 6
Current: HK$24,438 HKD|Low: HK$5,837 HKD|High: HK$24,438 HKD|Avg: HK$9,718 HKD|+3.5%
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
Retailer 17
Retailer 18
November 6, 2026
Retailer 3HK$5,923 HKD
Retailer 2HK$5,947 HKD
Retailer 15HK$7,123 HKD
Retailer 17HK$7,218 HKD
Retailer 7HK$7,790 HKD
Retailer 10HK$7,790 HKD
Retailer 8HK$8,096 HKD
Retailer 6HK$8,410 HKD
Retailer 16HK$8,630 HKD
Retailer 13HK$8,904 HKD
Retailer 11HK$8,912 HKD
Retailer 9HK$8,991 HKD
Retailer 18HK$9,971 HKD
Retailer 4HK$10,058 HKD
Retailer 14HK$10,316 HKD
Retailer 12HK$11,925 HKD
Retailer 5HK$14,153 HKD
NZ JewellersHK$24,438 HKD

27 data points across 18 retailers

20 retailersHK$5,923 HKD to HK$14,153 HKD

A
Cheapest Retailer
-
HK$5,923 HKD
A
Retailer 2
-
HK$5,947 HKD
View
B+
Retailer 3
-
HK$7,123 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$7,218 HKD
View
Retailer 5
-
HK$7,790 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$7,790 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$8,096 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$8,410 HKD
View
B+
Retailer 9
-
HK$8,630 HKD
View
B+
Retailer 10
-
HK$8,904 HKD
View
B+
Retailer 11
-
HK$8,912 HKD
View
Retailer 12
-
HK$8,991 HKD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
HK$9,971 HKD
View
B+
Retailer 14
-
HK$10,058 HKD
View
B+
Retailer 15
-
HK$10,136 HKD
View
Retailer 16
-
HK$10,269 HKD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
HK$10,316 HKD
View
B
Retailer 18
-
HK$11,925 HKD
View
B
Retailer 19
-
HK$14,153 HKD
View
Most Expensive
NZ Jewellers
043d5255-ff83-40b6-b042-a81e81d9236f · Oct 30
HK$24,438 HKD
$3,115 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from HK$5,923 HKDSave up to HK$8,230 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$5,923 HKD