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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3565131209

Certificate GIA 3565131209

Diamond specifications and retailer prices

From $806 USD
HK$6,300 HKD
As of November 1, 2026
Save $1,696 USD (68%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,600 USD 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: $1,251 USD|Low: $806 USD|High: $2,508 USD|Avg: $1,418 USD|+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$806 USD
Retailer 4$835 USD
Retailer 2$983 USD
Retailer 11$1,080 USD
Retailer 10$1,205 USD
Retailer 1$1,251 USD
Retailer 3$1,394 USD
Retailer 5$1,488 USD
Retailer 8$1,592 USD
Retailer 6$1,952 USD
Retailer 9$2,502 USD

31 data points across 11 retailers

21 retailers$806 USD to $2,502 USD

A
Cheapest Retailer
-
$806 USD
HK$6,300 HKD
A
Retailer 2
-
$835 USD
₹79,483 INR
View
A
Retailer 3
-
$983 USD
View
Final sale: no returns
B+
Retailer 4
-
$990 USD
View
Retailer 5
-
$1,007 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$1,044 USD
View
Retailer 7
-
$1,066 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$1,066 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$1,080 USD
SGD 1,460 SGD
View
Retailer 10
-
$1,107 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$1,114 USD
SGD 1,505 SGD
View
B+
Retailer 12
-
$1,200 USD
View
B+
Retailer 13
-
$1,205 USD
View
Retailer 14
-
$1,230 USD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$1,251 USD
£985 GBP
View
Retailer 16
-
$1,394 USD
A$2,144 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$1,488 USD
€1,417 EUR
View
B+
Retailer 18
-
$1,592 USD
ZAR 25,715 ZAR
View
B
Retailer 19
-
$1,952 USD
£1,537 GBP
View
B
Retailer 20
-
$2,502 USD
£1,970 GBP
View
Most Expensive
NZ Jewellers
f57dc3e5-4c53-4dcd-91a2-8f1da97c217f · Oct 17
$2,600 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from $806 USDSave up to $1,696 USD

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
$806 USD