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Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2566238867

Certificate GIA 2566238867

Diamond specifications and retailer prices

From HK$4,550 HKD
As of November 6, 2026
Save HK$6,619 HKD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$11,169 HKD at MOH London · As of November 4, 2026
View at MOH London

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 2566238867. Listed at 14 retailers as of November 4, 2026, with prices from HK$4,550 to HK$11,169, a HK$6,619 spread on the same certified stone. MOH London lists it at HK$11,169. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566238867
Dimensions5.22 × 5.25 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.22 mm5.25 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566238867
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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$11,169 HKD|Low: HK$4,519 HKD|High: HK$11,239 HKD|Avg: HK$6,897 HKD|-0.6%
MOH London
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
November 6, 2026
Retailer 2HK$4,550 HKD
Retailer 13HK$4,613 HKD
Retailer 4HK$5,633 HKD
Retailer 5HK$5,664 HKD
Retailer 14HK$5,782 HKD
Retailer 11HK$6,143 HKD
Retailer 8HK$6,394 HKD
Retailer 9HK$7,296 HKD
Retailer 10HK$7,367 HKD
Retailer 7HK$7,853 HKD
Retailer 6HK$8,049 HKD
Retailer 3HK$8,332 HKD
Retailer 12HK$8,638 HKD
MOH LondonHK$11,169 HKD

23 data points across 14 retailers

14 retailersHK$4,550 HKD to HK$11,169 HKD

A
Cheapest Retailer
-
HK$4,550 HKD
A
Retailer 2
-
HK$4,613 HKD
View
A
Retailer 3
-
HK$5,633 HKD
View
Final sale: no returns
Retailer 4
-
HK$5,664 HKD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$5,743 HKD
View
Retailer 6
-
HK$5,782 HKD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$6,143 HKD
View
A
Retailer 8
-
HK$6,394 HKD
View
B+
Retailer 9
-
HK$7,296 HKD
View
B+
Retailer 10
-
HK$7,367 HKD
View
B+
Retailer 11
-
HK$7,853 HKD
View
B+
Retailer 12
-
HK$8,332 HKD
View
B+
Retailer 13
-
HK$8,638 HKD
View
Most Expensive
B
MOH London
864694A57 · Nov 4
HK$11,169 HKD
£1,121 GBP
View
13 more retailers have this diamond
Prices start from HK$4,550 HKDSave up to HK$6,619 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$4,550 HKD