Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2556900054

Certificate GIA 2556900054

Diamond specifications and retailer prices

From $558 USD
₹53,130 INR
As of October 29, 2026
Save $785 USD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,417 USD 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 141% 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 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: Oct 29
Current: $558 USD|Low: $555 USD|High: $1,429 USD|Avg: $910 USD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 1$558 USD
Retailer 9$627 USD
Retailer 2$754 USD
Retailer 10$774 USD
Retailer 8$853 USD
Retailer 6$865 USD
Retailer 4$905 USD
Retailer 5$967 USD
Retailer 7$1,073 USD
Retailer 3$1,159 USD
Retailer 11$1,342 USD

30 data points across 11 retailers

19 retailers$558 USD to $1,342 USD

A
Cheapest Retailer
-
$558 USD
₹53,130 INR
A
Retailer 2
-
$627 USD
HK$4,900 HKD
View
A
Retailer 3
-
$700 USD
A$1,077 AUD
View
A
Retailer 4
-
$754 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$760 USD
View
Price last confirmed 48 days ago
A
Retailer 6
-
$771 USD
View
Price last confirmed 25 days ago
A
Retailer 7
-
$774 USD
SGD 1,046 SGD
View
A
Retailer 8
-
$809 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$853 USD
View
A
Retailer 10
-
$865 USD
£681 GBP
View
A
Retailer 11
-
$877 USD
View
Price last confirmed 48 days ago
A
Retailer 12
-
$889 USD
View
Price last confirmed 27 days ago
A
Retailer 13
-
$905 USD
View
A
Retailer 14
-
$967 USD
€921 EUR
View
B+
Retailer 15
-
$1,073 USD
ZAR 17,340 ZAR
View
B+
Retailer 16
-
$1,159 USD
A$1,783 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
$1,342 USD
£1,057 GBP
View
B
Retailer 18
-
$2,383 USD
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
83ea031d-cd19-41a3-ad6f-7760dab6db87 · Oct 3
$2,417 USD
View
Price last confirmed 26 days ago
18 more retailers have this diamond
Prices start from $558 USDSave up to $785 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
$558 USD