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1.63ct M SI1 Round Natural Diamond

FR • M/SI1 • GIA 2557707752

Shape and cutting style on the report: Rose

Certificate GIA 2557707752

Diamond specifications and retailer prices

From HK$22,578 HKD
As of November 6, 2026
Save HK$3,427 HKD (13%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$26,006 HKD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.63ct natural round diamond

This 1.63ct 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 2557707752. Listed at 2 retailers as of November 6, 2026, with prices from HK$22,578 to HK$26,006, a HK$3,427 spread on the same certified stone. Yorxs lists it at HK$26,006. 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

1.63
Carat
M
Colour
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557707752
Dimensions8.43 × 8.57 × 2.47 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
8.43 mm8.57 mm1.63 ctM / SI1
OriginNatural
CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557707752
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 29.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: HK$22,578 HKD|Low: HK$22,578 HKD|High: HK$28,065 HKD|Avg: HK$24,988 HKD
Retailer 1
Yorxs
November 6, 2026
Retailer 1HK$22,578 HKD
YorxsHK$26,006 HKD

13 data points across 2 retailers

2 retailersHK$22,578 HKD to HK$26,006 HKD

B
Cheapest Retailer
-
HK$22,578 HKD
Most Expensive
B
Yorxs
623497327 · Nov 6
HK$26,006 HKD
€3,157 EUR
View
1 more retailer has this diamond
Prices start from HK$22,578 HKDSave up to HK$3,427 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
1.63ct Round
HK$22,578 HKD