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Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552580188

Certificate GIA 6552580188

Diamond specifications and retailer prices

From HK$5,122 HKD
As of November 1, 2026
Save HK$16,549 HKD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$21,796 HKD at NZ Jewellers · As of September 11, 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 6552580188. Listed at 18 retailers as of November 1, 2026, with a 323% 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 6552580188
Dimensions5.53 × 5.50 × 3.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.53 mm5.50 mm0.65 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552580188
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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$21,671 HKD|Low: HK$5,122 HKD|High: HK$21,875 HKD|Avg: HK$8,395 HKD|-0.9%
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
November 2, 2026
Retailer 6HK$5,122 HKD
Retailer 2HK$5,154 HKD
Retailer 12HK$5,359 HKD
Retailer 3HK$6,349 HKD
Retailer 13HK$6,379 HKD
Retailer 11HK$6,420 HKD
Retailer 16HK$6,912 HKD
Retailer 15HK$7,179 HKD
Retailer 7HK$7,229 HKD
Retailer 4HK$8,027 HKD
Retailer 5HK$8,121 HKD
Retailer 9HK$8,930 HKD
Retailer 14HK$9,462 HKD
Retailer 8HK$10,589 HKD
Retailer 10HK$12,655 HKD
NZ JewellersHK$21,671 HKD

31 data points across 16 retailers

18 retailersHK$5,122 HKD to HK$21,671 HKD

A
Cheapest Retailer
-
HK$5,122 HKD
A
Retailer 2
-
HK$5,154 HKD
₹62,560 INR
View
A
Retailer 3
-
HK$5,359 HKD
$683 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,349 HKD
A$1,245 AUD
View
A
Retailer 5
-
HK$6,379 HKD
$813 USD
View
A
Retailer 6
-
HK$6,420 HKD
€779 EUR
View
A
Retailer 7
-
HK$6,912 HKD
$881 USD
View
Retailer 8
-
HK$6,952 HKD
$886 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
HK$7,179 HKD
$915 USD
View
A
Retailer 10
-
HK$7,229 HKD
SGD 1,245 SGD
View
B+
Retailer 11
-
HK$8,027 HKD
$1,023 USD
View
B+
Retailer 12
-
HK$8,121 HKD
$1,035 USD
View
B+
Retailer 13
-
HK$8,930 HKD
€1,084 EUR
View
B+
Retailer 14
-
HK$9,462 HKD
$1,206 USD
View
Retailer 15
-
HK$10,589 HKD
A$2,076 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
HK$12,655 HKD
£1,270 GBP
View
B
Retailer 17
-
HK$21,671 HKD
$2,762 USD
View
Most Expensive
NZ Jewellers
e8286dc9-425c-4c08-b5d3-007cf7aabede · Sep 11
HK$21,796 HKD
$2,778 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from HK$5,122 HKDSave up to HK$16,549 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$5,122 HKD