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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552580188

Certificate GIA 6552580188

Diamond specifications and retailer prices

From €582 EUR
HK$5,100 HKD
As of November 1, 2026
Save €1,881 EUR (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,477 EUR at NZ Jewellers · As of September 11, 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 6552580188. Listed at 18 retailers as of November 1, 2026, with a 323% 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 6552580188
Dimensions5.53 × 5.50 × 3.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.53 mm5.50 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552580188
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: €2,463 EUR|Low: €582 EUR|High: €2,486 EUR|Avg: €954 EUR|-0.9%
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
November 2, 2026
Retailer 6€582 EUR
Retailer 2€586 EUR
Retailer 12€609 EUR
Retailer 3€721 EUR
Retailer 13€725 EUR
Retailer 11€730 EUR
Retailer 16€785 EUR
Retailer 15€816 EUR
Retailer 7€821 EUR
Retailer 4€912 EUR
Retailer 5€923 EUR
Retailer 9€1,015 EUR
Retailer 14€1,075 EUR
Retailer 8€1,203 EUR
Retailer 10€1,438 EUR
NZ Jewellers€2,463 EUR

31 data points across 16 retailers

18 retailers€582 EUR to €2,463 EUR

A
Cheapest Retailer
-
€582 EUR
HK$5,100 HKD
A
Retailer 2
-
€586 EUR
₹62,560 INR
View
A
Retailer 3
-
€609 EUR
$683 USD
View
Final sale: no returns
A
Retailer 4
-
€721 EUR
A$1,245 AUD
View
A
Retailer 5
-
€725 EUR
$813 USD
View
A
Retailer 6
-
€730 EUR
View
A
Retailer 7
-
€785 EUR
$881 USD
View
Retailer 8
-
€790 EUR
$886 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
€816 EUR
$915 USD
View
A
Retailer 10
-
€821 EUR
SGD 1,245 SGD
View
B+
Retailer 11
-
€912 EUR
$1,023 USD
View
B+
Retailer 12
-
€923 EUR
$1,035 USD
View
B+
Retailer 13
-
€1,015 EUR
View
B+
Retailer 14
-
€1,075 EUR
$1,206 USD
View
Retailer 15
-
€1,203 EUR
A$2,076 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
€1,438 EUR
£1,270 GBP
View
B
Retailer 17
-
€2,463 EUR
$2,762 USD
View
Most Expensive
NZ Jewellers
e8286dc9-425c-4c08-b5d3-007cf7aabede · Sep 11
€2,477 EUR
$2,778 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from €582 EURSave up to €1,881 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
€582 EUR