Round|Natural|GIA

1.64ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5202542856

Certificate GIA 5202542856

Diamond specifications and retailer prices

From €9,051 EUR
$10,152 USD
As of November 2, 2026
Save €3,287 EUR (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €12,339 EUR at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.64ct natural round diamond

This 1.64ct 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 5202542856. Listed at 4 retailers as of November 1, 2026, with prices from €9,051 to €12,339, a €3,287 spread on the same certified stone. Yorxs lists it at €12,339. 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

1.64
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5202542856
Dimensions7.50 × 7.55 × 4.62 mm
L/W Ratio1.01
Top View
7.50 mm7.55 mm1.64 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5202542856
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

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 2
Current: €11,866 EUR|Low: €8,939 EUR|High: €12,394 EUR|Avg: €10,631 EUR|+1.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 3, 2026
Retailer 2€9,051 EUR
Retailer 3€9,366 EUR
Retailer 1€11,866 EUR
Yorxs€12,339 EUR

38 data points across 4 retailers

4 retailers€9,051 EUR to €12,339 EUR

B+
Cheapest Retailer
-
€9,051 EUR
$10,152 USD
B+
Retailer 2
-
€9,366 EUR
$10,505 USD
View
B
Retailer 3
-
€11,866 EUR
£10,479 GBP
View
Most Expensive
B
Yorxs
MK3754 · Nov 1
€12,339 EUR
View
3 more retailers have this diamond
Prices start from €9,051 EURSave up to €3,287 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+
1.64ct Round
€9,051 EUR