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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6505827712

Certificate GIA 6505827712

Diamond specifications and retailer prices

From HK$5,272 HKD
As of November 6, 2026
Save HK$10,183 HKD (66%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$22,351 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 6505827712. Listed at 27 retailers as of November 5, 2026, with a 193% 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 angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505827712
Dimensions5.25 × 5.22 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.25 mm5.22 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505827712
Side View
Table 56.0%Crown 34°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 6
Current: HK$5,272 HKD|Low: HK$5,272 HKD|High: HK$13,211 HKD|Avg: HK$8,563 HKD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1HK$5,272 HKD
Retailer 3HK$6,574 HKD
Retailer 9HK$6,865 HKD
Retailer 11HK$7,131 HKD
Retailer 5HK$8,206 HKD
Retailer 2HK$8,355 HKD
Retailer 7HK$8,567 HKD
Retailer 4HK$9,171 HKD
Retailer 6HK$9,195 HKD
Retailer 8HK$10,999 HKD
Retailer 10HK$13,047 HKD

31 data points across 11 retailers

27 retailersHK$5,272 HKD to HK$15,455 HKD

A
Cheapest Retailer
-
HK$5,272 HKD
A
Retailer 2
-
HK$6,519 HKD
View
A
Retailer 3
-
HK$6,574 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$6,865 HKD
View
Retailer 5
-
HK$7,131 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$7,131 HKD
View
Price last confirmed 20 days ago
Retailer 7
-
HK$7,131 HKD
View
Price last confirmed 39 days ago
Retailer 8
-
HK$7,131 HKD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
HK$7,131 HKD
View
B+
Retailer 10
-
HK$7,210 HKD
View
Retailer 11
-
HK$7,398 HKD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
HK$7,633 HKD
View
B+
Retailer 13
-
HK$8,167 HKD
View
B+
Retailer 14
-
HK$8,206 HKD
View
Retailer 15
-
HK$8,222 HKD
View
Price last confirmed 40 days ago
B+
Retailer 16
-
HK$8,222 HKD
View
B+
Retailer 17
-
HK$8,355 HKD
View
B+
Retailer 18
-
HK$8,567 HKD
View
B+
Retailer 19
-
HK$9,171 HKD
View
B+
Retailer 20
-
HK$9,195 HKD
View
Retailer 21
-
HK$10,717 HKD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
HK$10,999 HKD
View
B
Retailer 23
-
HK$13,047 HKD
View
B
Retailer 24
-
HK$15,455 HKD
View
Retailer 25
-
HK$22,351 HKD
View
Price last confirmed 43 days ago
Retailer 26
-
HK$22,351 HKD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
069e317e-d3f5-48cb-a98f-0d0638402bf8 · Oct 30
HK$22,351 HKD
$2,849 USD
View
Price last confirmed 7 days ago
26 more retailers have this diamond
Prices start from HK$5,272 HKDSave up to HK$10,183 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$5,272 HKD