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Round|Natural|GIA

1.63ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1555467481

Certificate GIA 1555467481

Diamond specifications and retailer prices

From €6,740 EUR
$7,560 USD
As of November 2, 2026
4 retailers carry this diamond
Most expensive: €13,574 EUR at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

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 top-tier cut grade and certified by GIA 1555467481. Listed at 4 retailers as of November 2, 2026. 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

1.63
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555467481
Dimensions7.45 × 7.50 × 4.66 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
7.45 mm7.50 mm1.63 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555467481
Side View
Table 59.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €6,740 EUR|Low: €6,740 EUR|High: €11,326 EUR|Avg: €8,501 EUR|-10.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 1€6,740 EUR
Retailer 9€7,158 EUR
Retailer 4€7,475 EUR
Retailer 3€7,539 EUR
Retailer 8€7,568 EUR
Retailer 6€8,210 EUR
Retailer 5€8,542 EUR
Retailer 2€9,026 EUR
Retailer 10€10,244 EUR
Retailer 7€11,311 EUR

9 data points across 10 retailers

4 retailers

A
Cheapest Retailer
-
€6,740 EUR
$7,560 USD
Retailer 2
-
€8,116 EUR
$9,103 USD
View
Price last confirmed 40 days ago
Retailer 3
-
€9,365 EUR
$10,504 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
7331f3d3-251a-4957-8f60-c378b63c3350 · Sep 21
€13,574 EUR
$15,225 USD
View
Price last confirmed 42 days ago
3 more retailers have this diamond
Prices start from €6,740 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.

A
1.63ct Round
€6,740 EUR