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Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551634492

Certificate GIA 7551634492

Diamond specifications and retailer prices

From HK$4,405 HKD
As of November 6, 2026
Save HK$6,529 HKD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$18,731 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551634492. Listed at 20 retailers as of November 2, 2026, with a 148% 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551634492
Dimensions5.23 × 5.25 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551634492
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

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$4,405 HKD|Low: HK$4,405 HKD|High: HK$16,169 HKD|Avg: HK$7,579 HKD|-5.7%
Retailer 1
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
November 6, 2026
Retailer 1HK$4,405 HKD
Retailer 14HK$4,412 HKD
Retailer 6HK$5,329 HKD
Retailer 15HK$5,510 HKD
Retailer 4HK$6,066 HKD
Retailer 7HK$6,662 HKD
Retailer 2HK$7,007 HKD
Retailer 8HK$7,069 HKD
Retailer 10HK$7,210 HKD
Retailer 3HK$7,328 HKD
Retailer 9HK$7,712 HKD
Retailer 5HK$8,120 HKD
Retailer 11HK$9,217 HKD
Retailer 12HK$10,933 HKD
Retailer 13HK$16,169 HKD

31 data points across 15 retailers

20 retailersHK$4,405 HKD to HK$10,933 HKD

A
Cheapest Retailer
-
HK$4,405 HKD
A
Retailer 2
-
HK$4,412 HKD
View
Retailer 3
-
HK$5,329 HKD
View
Price last confirmed 26 days ago
A
Retailer 4
-
HK$5,510 HKD
View
Final sale: no returns
Retailer 5
-
HK$5,972 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$6,066 HKD
View
B+
Retailer 7
-
HK$6,207 HKD
View
Retailer 8
-
HK$6,395 HKD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
HK$6,662 HKD
View
B+
Retailer 10
-
HK$7,007 HKD
View
B+
Retailer 11
-
HK$7,069 HKD
View
B+
Retailer 12
-
HK$7,210 HKD
View
B+
Retailer 13
-
HK$7,328 HKD
View
B+
Retailer 14
-
HK$7,712 HKD
View
B+
Retailer 15
-
HK$8,120 HKD
View
B
Retailer 16
-
HK$9,217 HKD
View
Retailer 17
-
HK$9,256 HKD
View
Price last confirmed 33 days ago
B
Retailer 18
-
HK$10,933 HKD
View
Retailer 19
-
HK$16,169 HKD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
19ae4306-72f5-4bb6-b5c3-8f6f5f008c46 · Oct 30
HK$18,731 HKD
$2,390 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from HK$4,405 HKDSave up to HK$6,529 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$4,405 HKD