Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2557581317

Certificate GIA 2557581317

Diamond specifications and retailer prices

From $678 USD
HK$5,300 HKD
As of November 1, 2026
Save $992 USD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,816 USD at NZ Jewellers · As of September 28, 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 2557581317. Listed at 21 retailers as of November 1, 2026, with a 146% 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
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557581317
Dimensions5.53 × 5.56 × 3.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.53 mm5.56 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557581317
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: $2,697 USD|Low: $627 USD|High: $2,789 USD|Avg: $1,155 USD|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 14$678 USD
Retailer 12$700 USD
Retailer 3$719 USD
Retailer 6$750 USD
Retailer 11$791 USD
Retailer 8$810 USD
Retailer 13$826 USD
Retailer 18$836 USD
Retailer 9$886 USD
Retailer 2$920 USD
Retailer 4$960 USD
Retailer 16$994 USD
Retailer 10$1,177 USD
Retailer 7$1,288 USD
Retailer 5$1,303 USD
Retailer 17$1,575 USD
Retailer 15$1,670 USD
NZ Jewellers$2,697 USD

26 data points across 18 retailers

21 retailers$678 USD to $1,670 USD

A
Cheapest Retailer
-
$678 USD
HK$5,300 HKD
A
Retailer 2
-
$700 USD
View
A
Retailer 3
-
$719 USD
View
Final sale: no returns
A
Retailer 4
-
$750 USD
View
A
Retailer 5
-
$791 USD
View
Retailer 6
-
$810 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$826 USD
A$1,271 AUD
View
A
Retailer 8
-
$836 USD
€796 EUR
View
Retailer 9
-
$886 USD
SGD 1,197 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$920 USD
£724 GBP
View
A
Retailer 11
-
$960 USD
View
A
Retailer 12
-
$994 USD
View
B+
Retailer 13
-
$1,110 USD
A$1,708 AUD
View
B+
Retailer 14
-
$1,288 USD
View
B+
Retailer 15
-
$1,303 USD
ZAR 21,053 ZAR
View
Retailer 16
-
$1,338 USD
A$2,058 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$1,575 USD
£1,240 GBP
View
B
Retailer 18
-
$1,670 USD
View
Retailer 19
-
$2,693 USD
View
Price last confirmed 52 days ago
Retailer 20
-
$2,697 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
2642d381-e9c3-4b06-98d3-de2bed1e91f8 · Sep 28
$2,816 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from $678 USDSave up to $992 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
$678 USD