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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2556900054

Certificate GIA 2556900054

Diamond specifications and retailer prices

From $772 AUD
₹51,548 INR
As of November 2, 2026
Save $1,143 AUD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,449 AUD at NZ Jewellers · As of October 3, 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 2556900054. Listed at 19 retailers as of October 29, 2026, with a 148% 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556900054
Dimensions5.55 × 5.58 × 3.40 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
5.55 mm5.58 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556900054
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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 2
Current: $772 AUD|Low: $772 AUD|High: $1,972 AUD|Avg: $1,227 AUD|-8.5%
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 1$772 AUD
Retailer 9$877 AUD
Retailer 5$980 AUD
Retailer 3$1,076 AUD
Retailer 11$1,104 AUD
Retailer 7$1,193 AUD
Retailer 4$1,234 AUD
Retailer 8$1,270 AUD
Retailer 6$1,344 AUD
Retailer 10$1,521 AUD
Retailer 2$1,915 AUD

29 data points across 11 retailers

19 retailers$772 AUD to $1,915 AUD

A
Cheapest Retailer
-
$772 AUD
₹51,548 INR
A
Retailer 2
-
$877 AUD
HK$4,800 HKD
View
A
Retailer 3
-
$980 AUD
View
Retailer 4
-
$1,076 AUD
$754 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$1,084 AUD
$760 USD
View
Price last confirmed 53 days ago
Retailer 6
-
$1,100 AUD
$771 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$1,104 AUD
SGD 1,046 SGD
View
Retailer 8
-
$1,154 AUD
$809 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
$1,193 AUD
$836 USD
View
A
Retailer 10
-
$1,234 AUD
£681 GBP
View
Retailer 11
-
$1,251 AUD
$877 USD
View
Price last confirmed 52 days ago
Retailer 12
-
$1,269 AUD
$889 USD
View
Price last confirmed 31 days ago
A
Retailer 13
-
$1,270 AUD
$890 USD
View
A
Retailer 14
-
$1,344 AUD
€897 EUR
View
B+
Retailer 15
-
$1,521 AUD
ZAR 17,221 ZAR
View
Retailer 16
-
$1,654 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$1,915 AUD
£1,057 GBP
View
Retailer 18
-
$3,400 AUD
$2,383 USD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
83ea031d-cd19-41a3-ad6f-7760dab6db87 · Oct 3
$3,449 AUD
$2,417 USD
View
Price last confirmed 30 days ago
18 more retailers have this diamond
Prices start from $772 AUDSave up to $1,143 AUD

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
$772 AUD