CaratHunter
Plans
Round|Natural|GIA

0.65ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6552580188

Certificate GIA 6552580188

Diamond specifications and retailer prices

From $931 AUD
HK$5,100 HKD
As of November 1, 2026
Save $3,010 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,964 AUD 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: $3,941 AUD|Low: $931 AUD|High: $3,978 AUD|Avg: $1,527 AUD|-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 6$931 AUD
Retailer 2$937 AUD
Retailer 12$975 AUD
Retailer 3$1,155 AUD
Retailer 13$1,160 AUD
Retailer 11$1,168 AUD
Retailer 16$1,257 AUD
Retailer 15$1,306 AUD
Retailer 7$1,315 AUD
Retailer 4$1,460 AUD
Retailer 5$1,477 AUD
Retailer 9$1,624 AUD
Retailer 14$1,721 AUD
Retailer 8$1,926 AUD
Retailer 10$2,301 AUD
NZ Jewellers$3,941 AUD

31 data points across 16 retailers

18 retailers$931 AUD to $3,941 AUD

A
Cheapest Retailer
-
$931 AUD
HK$5,100 HKD
A
Retailer 2
-
$937 AUD
₹62,560 INR
View
A
Retailer 3
-
$975 AUD
$683 USD
View
Final sale: no returns
A
Retailer 4
-
$1,155 AUD
View
A
Retailer 5
-
$1,160 AUD
$813 USD
View
A
Retailer 6
-
$1,168 AUD
€779 EUR
View
A
Retailer 7
-
$1,257 AUD
$881 USD
View
Retailer 8
-
$1,264 AUD
$886 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$1,306 AUD
$915 USD
View
A
Retailer 10
-
$1,315 AUD
SGD 1,245 SGD
View
B+
Retailer 11
-
$1,460 AUD
$1,023 USD
View
B+
Retailer 12
-
$1,477 AUD
$1,035 USD
View
B+
Retailer 13
-
$1,624 AUD
€1,084 EUR
View
B+
Retailer 14
-
$1,721 AUD
$1,206 USD
View
Retailer 15
-
$1,926 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$2,301 AUD
£1,270 GBP
View
B
Retailer 17
-
$3,941 AUD
$2,762 USD
View
Most Expensive
NZ Jewellers
e8286dc9-425c-4c08-b5d3-007cf7aabede · Sep 11
$3,964 AUD
$2,778 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from $931 AUDSave up to $3,010 AUD

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
$931 AUD