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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2557581317

Certificate GIA 2557581317

Diamond specifications and retailer prices

From €605 EUR
HK$5,300 HKD
As of November 1, 2026
Save €884 EUR (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,511 EUR at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.65ct natural round diamond

This 0.65ct natural round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557581317. Listed at 21 retailers as of November 1, 2026, with a 146% 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

0.65
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557581317
Dimensions5.53 × 5.56 × 3.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.53 mm5.56 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557581317
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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 1
Current: €2,405 EUR|Low: €559 EUR|High: €2,487 EUR|Avg: €1,029 EUR|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 14€605 EUR
Retailer 12€624 EUR
Retailer 3€641 EUR
Retailer 6€669 EUR
Retailer 11€705 EUR
Retailer 8€722 EUR
Retailer 13€736 EUR
Retailer 18€745 EUR
Retailer 9€790 EUR
Retailer 2€820 EUR
Retailer 4€856 EUR
Retailer 16€886 EUR
Retailer 10€1,049 EUR
Retailer 7€1,149 EUR
Retailer 5€1,162 EUR
Retailer 17€1,404 EUR
Retailer 15€1,489 EUR
NZ Jewellers€2,405 EUR

26 data points across 18 retailers

21 retailers€605 EUR to €1,489 EUR

A
Cheapest Retailer
-
€605 EUR
HK$5,300 HKD
A
Retailer 2
-
€624 EUR
$700 USD
View
A
Retailer 3
-
€641 EUR
$719 USD
View
Final sale: no returns
A
Retailer 4
-
€669 EUR
$750 USD
View
A
Retailer 5
-
€705 EUR
$791 USD
View
Retailer 6
-
€722 EUR
$810 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
€736 EUR
A$1,271 AUD
View
A
Retailer 8
-
€745 EUR
View
Retailer 9
-
€790 EUR
SGD 1,197 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
€820 EUR
£724 GBP
View
A
Retailer 11
-
€856 EUR
$960 USD
View
A
Retailer 12
-
€886 EUR
$994 USD
View
B+
Retailer 13
-
€990 EUR
A$1,708 AUD
View
B+
Retailer 14
-
€1,149 EUR
$1,288 USD
View
B+
Retailer 15
-
€1,162 EUR
ZAR 21,053 ZAR
View
Retailer 16
-
€1,193 EUR
A$2,058 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
€1,404 EUR
£1,240 GBP
View
B
Retailer 18
-
€1,489 EUR
$1,670 USD
View
Retailer 19
-
€2,401 EUR
$2,693 USD
View
Price last confirmed 52 days ago
Retailer 20
-
€2,405 EUR
$2,697 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
2642d381-e9c3-4b06-98d3-de2bed1e91f8 · Sep 28
€2,511 EUR
$2,816 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from €605 EURSave up to €884 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
0.65ct Round
€605 EUR