Round|Natural|GIA

1.63ct F SI1 Round Natural Diamond

VG • F/SI1 • GIA 16273768

Certificate GIA 16273768

Diamond specifications and retailer prices

From €6,653 EUR
HK$58,300 HKD
As of November 1, 2026
Save €5,024 EUR (43%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €11,677 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.63ct natural round diamond

This 1.63ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 16273768. Listed at 7 retailers as of November 1, 2026, with prices from €6,653 to €11,677, a €5,024 spread on the same certified stone. MOH London lists it at €11,677. 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
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 16273768
Dimensions7.63 × 7.71 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeVery Small
Key to symbols
Crystal, Feather, Cloud, Needle, Extra Facet
Top View
7.63 mm7.71 mm1.63 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 16273768
Side View
Table 58.0%Crown 31.5°Girdle: THN-MEDPavilion 42°Culet: Very SmallDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €11,677 EUR|Low: €6,653 EUR|High: €11,818 EUR|Avg: €8,995 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6€6,653 EUR
Retailer 2€8,096 EUR
Retailer 4€8,207 EUR
Retailer 3€9,259 EUR
Retailer 5€9,842 EUR
MOH London€11,677 EUR

41 data points across 6 retailers

7 retailers€6,653 EUR to €11,677 EUR

B+
Cheapest Retailer
-
€6,653 EUR
HK$58,300 HKD
B+
Retailer 2
-
€6,989 EUR
A$12,060 AUD
View
B+
Retailer 3
-
€8,096 EUR
£7,150 GBP
View
Retailer 4
-
€8,207 EUR
A$14,162 AUD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
€9,259 EUR
View
Retailer 6
-
€9,842 EUR
$11,039 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
48F2040E4 · Nov 2
€11,677 EUR
£10,313 GBP
View
6 more retailers have this diamond
Prices start from €6,653 EURSave up to €5,024 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
€6,653 EUR