Round|Natural|GIA

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 €2,564 EUR
As of November 6, 2026
Save €389 EUR (13%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,953 EUR 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 €2,564 to €2,953, a €389 spread on the same certified stone. Yorxs lists it at €2,953. 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

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 6
Current: €2,564 EUR|Low: €2,564 EUR|High: €3,187 EUR|Avg: €2,838 EUR
Retailer 1
Yorxs
November 6, 2026
Retailer 1€2,564 EUR
Yorxs€2,953 EUR

13 data points across 2 retailers

2 retailers€2,564 EUR to €2,953 EUR

B
Cheapest Retailer
-
€2,564 EUR
Most Expensive
B
Yorxs
623497327 · Nov 6
€2,953 EUR
View
1 more retailer has this diamond
Prices start from €2,564 EURSave up to €389 EUR

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
€2,564 EUR