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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 $692 SGD
₹51,564 INR
As of November 1, 2026
Save $1,024 SGD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,090 SGD 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,106 SGD|Low: $692 SGD|High: $1,766 SGD|Avg: $1,100 SGD|-2.6%
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 6$692 SGD
Retailer 9$785 SGD
Retailer 4$878 SGD
Retailer 3$964 SGD
Retailer 11$990 SGD
Retailer 7$1,069 SGD
Retailer 1$1,106 SGD
Retailer 8$1,138 SGD
Retailer 5$1,204 SGD
Retailer 10$1,363 SGD
Retailer 2$1,716 SGD

29 data points across 11 retailers

19 retailers$692 SGD to $1,716 SGD

A
Cheapest Retailer
-
$692 SGD
₹51,564 INR
A
Retailer 2
-
$785 SGD
HK$4,800 HKD
View
A
Retailer 3
-
$878 SGD
A$1,056 AUD
View
Retailer 4
-
$964 SGD
$754 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$972 SGD
$760 USD
View
Price last confirmed 52 days ago
Retailer 6
-
$986 SGD
$771 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$990 SGD
View
Retailer 8
-
$1,034 SGD
$809 USD
View
Price last confirmed 34 days ago
A
Retailer 9
-
$1,069 SGD
$836 USD
View
A
Retailer 10
-
$1,106 SGD
£681 GBP
View
Retailer 11
-
$1,121 SGD
$877 USD
View
Price last confirmed 52 days ago
Retailer 12
-
$1,136 SGD
$889 USD
View
Price last confirmed 31 days ago
A
Retailer 13
-
$1,138 SGD
$890 USD
View
A
Retailer 14
-
$1,204 SGD
€897 EUR
View
B+
Retailer 15
-
$1,363 SGD
ZAR 17,221 ZAR
View
Retailer 16
-
$1,481 SGD
A$1,783 AUD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$1,716 SGD
£1,057 GBP
View
Retailer 18
-
$3,046 SGD
$2,383 USD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
83ea031d-cd19-41a3-ad6f-7760dab6db87 · Oct 3
$3,090 SGD
$2,417 USD
View
Price last confirmed 30 days ago
18 more retailers have this diamond
Prices start from $692 SGDSave up to $1,024 SGD

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
$692 SGD