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Round|Natural|GIA

1.64ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1246015875

Certificate GIA 1246015875

Diamond specifications and retailer prices

From €7,033 EUR
£6,211 GBP
As of November 3, 2026
Save €3,420 EUR (33%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €12,545 EUR at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

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 1246015875. Listed at 12 retailers as of November 2, 2026, with a 49% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1246015875
Dimensions7.52 × 7.46 × 4.68 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
7.52 mm7.46 mm1.64 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246015875
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: €7,033 EUR|Low: €6,901 EUR|High: €10,579 EUR|Avg: €8,056 EUR|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8€6,924 EUR
Retailer 1€7,033 EUR
Retailer 6€7,194 EUR
Retailer 3€7,382 EUR
Retailer 7€7,520 EUR
Retailer 2€8,212 EUR
Retailer 5€9,215 EUR
Retailer 4€10,453 EUR

33 data points across 8 retailers

12 retailers€7,033 EUR to €10,453 EUR

Retailer 1
-
€6,924 EUR
$7,766 USD
Price last confirmed 26 days ago
A
Retailer 2
-
€7,033 EUR
£6,211 GBP
View
Retailer 3
-
€7,194 EUR
A$12,414 AUD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
€7,382 EUR
View
Retailer 5
-
€7,501 EUR
$8,413 USD
View
Price last confirmed 26 days ago
B+
Retailer 6
-
€7,520 EUR
$8,435 USD
View
Retailer 7
-
€7,616 EUR
$8,542 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
€8,212 EUR
£7,252 GBP
View
Retailer 9
-
€8,655 EUR
$9,707 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
€9,215 EUR
ZAR 166,966 ZAR
View
B+
Retailer 11
-
€10,453 EUR
£9,232 GBP
View
Most Expensive
NZ Jewellers
c6a083a2-f418-4e6c-a807-ce508d6ce042 · Sep 27
€12,545 EUR
$14,071 USD
View
Price last confirmed 37 days ago
11 more retailers have this diamond
Prices start from €7,033 EURSave up to €3,420 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
1.64ct Round
€7,033 EUR