Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3565131209

Certificate GIA 3565131209

Diamond specifications and retailer prices

From €719 EUR
HK$6,300 HKD
As of November 1, 2026
Save €1,512 EUR (68%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,318 EUR at NZ Jewellers · As of October 17, 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 3565131209. Listed at 21 retailers as of October 28, 2026, with a 210% 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
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565131209
Dimensions5.55 × 5.51 × 3.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.55 mm5.51 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565131209
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: €1,115 EUR|Low: €719 EUR|High: €2,236 EUR|Avg: €1,264 EUR|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€719 EUR
Retailer 4€744 EUR
Retailer 2€876 EUR
Retailer 11€963 EUR
Retailer 10€1,074 EUR
Retailer 1€1,115 EUR
Retailer 3€1,243 EUR
Retailer 5€1,327 EUR
Retailer 8€1,419 EUR
Retailer 6€1,740 EUR
Retailer 9€2,231 EUR

31 data points across 11 retailers

21 retailers€719 EUR to €2,231 EUR

A
Cheapest Retailer
-
€719 EUR
HK$6,300 HKD
A
Retailer 2
-
€744 EUR
₹79,483 INR
View
A
Retailer 3
-
€876 EUR
$983 USD
View
Final sale: no returns
B+
Retailer 4
-
€883 EUR
$990 USD
View
Retailer 5
-
€898 EUR
$1,007 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
€931 EUR
$1,044 USD
View
Retailer 7
-
€950 EUR
$1,066 USD
View
Price last confirmed 17 days ago
Retailer 8
-
€950 EUR
$1,066 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
€963 EUR
SGD 1,460 SGD
View
Retailer 10
-
€987 EUR
$1,107 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
€993 EUR
SGD 1,505 SGD
View
B+
Retailer 12
-
€1,070 EUR
$1,200 USD
View
B+
Retailer 13
-
€1,074 EUR
$1,205 USD
View
Retailer 14
-
€1,097 EUR
$1,230 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
€1,115 EUR
£985 GBP
View
Retailer 16
-
€1,243 EUR
A$2,144 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
€1,327 EUR
View
B+
Retailer 18
-
€1,419 EUR
ZAR 25,715 ZAR
View
B
Retailer 19
-
€1,740 EUR
£1,537 GBP
View
B
Retailer 20
-
€2,231 EUR
£1,970 GBP
View
Most Expensive
NZ Jewellers
f57dc3e5-4c53-4dcd-91a2-8f1da97c217f · Oct 17
€2,318 EUR
$2,600 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from €719 EURSave up to €1,512 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
€719 EUR