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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1559947635

Certificate GIA 1559947635

Diamond specifications and retailer prices

From HK$5,115 HKD
As of November 6, 2026
Save HK$7,602 HKD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$22,390 HKD at NZ Jewellers · As of September 24, 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 1559947635. Listed at 22 retailers as of November 2, 2026, with a 149% 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559947635
Dimensions5.21 × 5.24 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.21 mm5.24 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559947635
Side View
Table 60.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

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$21,574 HKD|Low: HK$5,021 HKD|High: HK$21,574 HKD|Avg: HK$9,644 HKD
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 6, 2026
Retailer 16HK$5,115 HKD
Retailer 4HK$6,402 HKD
Retailer 12HK$6,598 HKD
Retailer 3HK$7,029 HKD
Retailer 10HK$7,061 HKD
Retailer 11HK$7,076 HKD
Retailer 8HK$7,853 HKD
Retailer 7HK$8,120 HKD
Retailer 2HK$8,363 HKD
Retailer 9HK$8,936 HKD
Retailer 5HK$9,195 HKD
Retailer 6HK$9,603 HKD
Retailer 13HK$9,736 HKD
Retailer 14HK$10,717 HKD
Retailer 15HK$12,717 HKD
NZ JewellersHK$21,574 HKD

27 data points across 16 retailers

22 retailersHK$5,115 HKD to HK$12,717 HKD

A
Cheapest Retailer
-
HK$5,115 HKD
A
Retailer 2
-
HK$6,402 HKD
View
Final sale: no returns
Retailer 3
-
HK$6,590 HKD
View
Price last confirmed 38 days ago
A
Retailer 4
-
HK$6,598 HKD
View
A
Retailer 5
-
HK$7,029 HKD
View
A
Retailer 6
-
HK$7,061 HKD
View
A
Retailer 7
-
HK$7,076 HKD
View
Retailer 8
-
HK$7,139 HKD
View
Price last confirmed 36 days ago
Retailer 9
-
HK$7,414 HKD
View
Price last confirmed 38 days ago
Retailer 10
-
HK$7,853 HKD
View
Price last confirmed 19 days ago
Retailer 11
-
HK$8,120 HKD
View
Price last confirmed 14 days ago
Retailer 12
-
HK$8,237 HKD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
HK$8,363 HKD
View
B+
Retailer 14
-
HK$8,936 HKD
View
B+
Retailer 15
-
HK$9,195 HKD
View
B+
Retailer 16
-
HK$9,603 HKD
View
B+
Retailer 17
-
HK$9,736 HKD
View
B+
Retailer 18
-
HK$10,717 HKD
View
Retailer 19
-
HK$10,928 HKD
View
Price last confirmed 33 days ago
B
Retailer 20
-
HK$12,717 HKD
View
Retailer 21
-
HK$21,574 HKD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
e97691f5-6850-4cc3-a733-ef7ac86c9fc3 · Sep 24
HK$22,390 HKD
$2,854 USD
View
Price last confirmed 43 days ago
21 more retailers have this diamond
Prices start from HK$5,115 HKDSave up to HK$7,602 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$5,115 HKD