CaratHunter
Plans
Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2557581317

Certificate GIA 2557581317

Diamond specifications and retailer prices

From $868 SGD
HK$5,300 HKD
As of November 1, 2026
Save $1,268 SGD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,601 SGD 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,449 SGD|Low: $802 SGD|High: $3,567 SGD|Avg: $1,477 SGD|-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$868 SGD
Retailer 12$895 SGD
Retailer 3$920 SGD
Retailer 6$959 SGD
Retailer 11$1,012 SGD
Retailer 8$1,036 SGD
Retailer 13$1,056 SGD
Retailer 18$1,069 SGD
Retailer 9$1,133 SGD
Retailer 2$1,176 SGD
Retailer 4$1,228 SGD
Retailer 16$1,271 SGD
Retailer 10$1,505 SGD
Retailer 7$1,648 SGD
Retailer 5$1,667 SGD
Retailer 17$2,014 SGD
Retailer 15$2,136 SGD
NZ Jewellers$3,449 SGD

26 data points across 18 retailers

21 retailers$868 SGD to $2,136 SGD

A
Cheapest Retailer
-
$868 SGD
HK$5,300 HKD
A
Retailer 2
-
$895 SGD
$700 USD
View
A
Retailer 3
-
$920 SGD
$719 USD
View
Final sale: no returns
A
Retailer 4
-
$959 SGD
$750 USD
View
A
Retailer 5
-
$1,012 SGD
$791 USD
View
Retailer 6
-
$1,036 SGD
$810 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$1,056 SGD
A$1,271 AUD
View
A
Retailer 8
-
$1,069 SGD
€796 EUR
View
Retailer 9
-
$1,133 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$1,176 SGD
£724 GBP
View
A
Retailer 11
-
$1,228 SGD
$960 USD
View
A
Retailer 12
-
$1,271 SGD
$994 USD
View
B+
Retailer 13
-
$1,420 SGD
A$1,708 AUD
View
B+
Retailer 14
-
$1,648 SGD
$1,288 USD
View
B+
Retailer 15
-
$1,667 SGD
ZAR 21,053 ZAR
View
Retailer 16
-
$1,711 SGD
A$2,058 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$2,014 SGD
£1,240 GBP
View
B
Retailer 18
-
$2,136 SGD
$1,670 USD
View
Retailer 19
-
$3,444 SGD
$2,693 USD
View
Price last confirmed 52 days ago
Retailer 20
-
$3,449 SGD
$2,697 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
2642d381-e9c3-4b06-98d3-de2bed1e91f8 · Sep 28
$3,601 SGD
$2,816 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from $868 SGDSave up to $1,268 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
$868 SGD