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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2557581317

Certificate GIA 2557581317

Diamond specifications and retailer prices

From HK$5,323 HKD
As of November 1, 2026
Save HK$7,780 HKD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$22,095 HKD 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: HK$21,161 HKD|Low: HK$4,921 HKD|High: HK$21,883 HKD|Avg: HK$9,060 HKD|-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 14HK$5,323 HKD
Retailer 12HK$5,492 HKD
Retailer 3HK$5,641 HKD
Retailer 6HK$5,883 HKD
Retailer 11HK$6,206 HKD
Retailer 8HK$6,355 HKD
Retailer 13HK$6,481 HKD
Retailer 18HK$6,557 HKD
Retailer 9HK$6,950 HKD
Retailer 2HK$7,217 HKD
Retailer 4HK$7,532 HKD
Retailer 16HK$7,798 HKD
Retailer 10HK$9,235 HKD
Retailer 7HK$10,109 HKD
Retailer 5HK$10,225 HKD
Retailer 17HK$12,356 HKD
Retailer 15HK$13,103 HKD
NZ JewellersHK$21,161 HKD

26 data points across 18 retailers

21 retailersHK$5,323 HKD to HK$13,103 HKD

A
Cheapest Retailer
-
HK$5,323 HKD
A
Retailer 2
-
HK$5,492 HKD
$700 USD
View
A
Retailer 3
-
HK$5,641 HKD
$719 USD
View
Final sale: no returns
A
Retailer 4
-
HK$5,883 HKD
$750 USD
View
A
Retailer 5
-
HK$6,206 HKD
$791 USD
View
Retailer 6
-
HK$6,355 HKD
$810 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
HK$6,481 HKD
A$1,271 AUD
View
A
Retailer 8
-
HK$6,557 HKD
€796 EUR
View
Retailer 9
-
HK$6,950 HKD
SGD 1,197 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
HK$7,217 HKD
£724 GBP
View
A
Retailer 11
-
HK$7,532 HKD
$960 USD
View
A
Retailer 12
-
HK$7,798 HKD
$994 USD
View
B+
Retailer 13
-
HK$8,711 HKD
A$1,708 AUD
View
Retailer 14
-
HK$10,109 HKD
$1,288 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
HK$10,225 HKD
ZAR 21,053 ZAR
View
Retailer 16
-
HK$10,495 HKD
A$2,058 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
HK$12,356 HKD
£1,240 GBP
View
B
Retailer 18
-
HK$13,103 HKD
$1,670 USD
View
Retailer 19
-
HK$21,130 HKD
$2,693 USD
View
Price last confirmed 52 days ago
Retailer 20
-
HK$21,161 HKD
$2,697 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
2642d381-e9c3-4b06-98d3-de2bed1e91f8 · Sep 28
HK$22,095 HKD
$2,816 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from HK$5,323 HKDSave up to HK$7,780 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$5,323 HKD