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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 HK$4,246 HKD
₹51,548 INR
As of November 2, 2026
Save HK$6,286 HKD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$18,963 HKD 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: HK$4,246 HKD|Low: HK$4,246 HKD|High: HK$10,841 HKD|Avg: HK$6,749 HKD|-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 1HK$4,246 HKD
Retailer 9HK$4,820 HKD
Retailer 5HK$5,386 HKD
Retailer 3HK$5,916 HKD
Retailer 11HK$6,073 HKD
Retailer 7HK$6,560 HKD
Retailer 4HK$6,787 HKD
Retailer 8HK$6,983 HKD
Retailer 6HK$7,389 HKD
Retailer 10HK$8,363 HKD
Retailer 2HK$10,532 HKD

29 data points across 11 retailers

19 retailersHK$4,246 HKD to HK$10,532 HKD

A
Cheapest Retailer
-
HK$4,246 HKD
₹51,548 INR
A
Retailer 2
-
HK$4,820 HKD
View
A
Retailer 3
-
HK$5,386 HKD
A$1,056 AUD
View
Retailer 4
-
HK$5,916 HKD
$754 USD
View
Price last confirmed 18 days ago
Retailer 5
-
HK$5,963 HKD
$760 USD
View
Price last confirmed 52 days ago
Retailer 6
-
HK$6,049 HKD
$771 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
HK$6,073 HKD
SGD 1,046 SGD
View
Retailer 8
-
HK$6,347 HKD
$809 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
HK$6,560 HKD
$836 USD
View
A
Retailer 10
-
HK$6,787 HKD
£681 GBP
View
Retailer 11
-
HK$6,881 HKD
$877 USD
View
Price last confirmed 52 days ago
Retailer 12
-
HK$6,975 HKD
$889 USD
View
Price last confirmed 31 days ago
A
Retailer 13
-
HK$6,983 HKD
$890 USD
View
A
Retailer 14
-
HK$7,389 HKD
€897 EUR
View
B+
Retailer 15
-
HK$8,363 HKD
ZAR 17,221 ZAR
View
Retailer 16
-
HK$9,092 HKD
A$1,783 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
HK$10,532 HKD
£1,057 GBP
View
Retailer 18
-
HK$18,696 HKD
$2,383 USD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
83ea031d-cd19-41a3-ad6f-7760dab6db87 · Oct 3
HK$18,963 HKD
$2,417 USD
View
Price last confirmed 30 days ago
18 more retailers have this diamond
Prices start from HK$4,246 HKDSave up to HK$6,286 HKD

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
HK$4,246 HKD