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Round|Natural|GIA

1.55ct M SI1 Round Natural Diamond

GD • M/SI1 • GIA 6127528766

Certificate GIA 6127528766

Diamond specifications and retailer prices

From HK$35,586 HKD
As of November 4, 2026
Save HK$14,200 HKD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$49,786 HKD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6127528766. Listed at 7 retailers as of November 4, 2026, with prices from HK$35,586 to HK$49,786, a HK$14,200 spread on the same certified stone. Cape Diamonds lists it at HK$49,786. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
M
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6127528766
Dimensions7.17 × 7.20 × 4.69 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Indented Natural
Top View
7.17 mm7.20 mm1.55 ctM / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6127528766
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$49,786 HKD|Low: HK$35,586 HKD|High: HK$50,156 HKD|Avg: HK$41,981 HKD|+1.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5HK$35,586 HKD
Retailer 4HK$37,924 HKD
Retailer 3HK$43,290 HKD
Retailer 2HK$44,427 HKD
Cape DiamondsHK$49,786 HKD

39 data points across 5 retailers

7 retailersHK$35,586 HKD to HK$49,786 HKD

B
Cheapest Retailer
-
HK$35,586 HKD
B
Retailer 2
-
HK$37,924 HKD
View
B
Retailer 3
-
HK$38,324 HKD
View
C
Retailer 4
-
HK$41,995 HKD
View
C
Retailer 5
-
HK$43,290 HKD
View
C
Retailer 6
-
HK$44,427 HKD
View
Most Expensive
C
Cape Diamonds
cert_6127528766 · Nov 5
HK$49,786 HKD
ZAR 102,521 ZAR
View
6 more retailers have this diamond
Prices start from HK$35,586 HKDSave up to HK$14,200 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.

B
1.55ct Round
HK$35,586 HKD