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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 $1,160 NZD
HK$5,100 HKD
As of November 1, 2026
Save $3,749 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,937 NZD 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: $4,909 NZD|Low: $1,160 NZD|High: $4,955 NZD|Avg: $1,902 NZD|-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$1,160 NZD
Retailer 2$1,167 NZD
Retailer 12$1,214 NZD
Retailer 3$1,438 NZD
Retailer 13$1,445 NZD
Retailer 11$1,454 NZD
Retailer 16$1,566 NZD
Retailer 15$1,626 NZD
Retailer 7$1,637 NZD
Retailer 4$1,818 NZD
Retailer 5$1,840 NZD
Retailer 9$2,023 NZD
Retailer 14$2,143 NZD
Retailer 8$2,399 NZD
Retailer 10$2,867 NZD
NZ Jewellers$4,909 NZD

31 data points across 16 retailers

18 retailers$1,160 NZD to $4,909 NZD

A
Cheapest Retailer
-
$1,160 NZD
HK$5,100 HKD
A
Retailer 2
-
$1,167 NZD
₹62,560 INR
View
A
Retailer 3
-
$1,214 NZD
$683 USD
View
Final sale: no returns
A
Retailer 4
-
$1,438 NZD
A$1,245 AUD
View
A
Retailer 5
-
$1,445 NZD
$813 USD
View
A
Retailer 6
-
$1,454 NZD
€779 EUR
View
A
Retailer 7
-
$1,566 NZD
$881 USD
View
Retailer 8
-
$1,575 NZD
$886 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$1,626 NZD
$915 USD
View
A
Retailer 10
-
$1,637 NZD
SGD 1,245 SGD
View
B+
Retailer 11
-
$1,818 NZD
$1,023 USD
View
B+
Retailer 12
-
$1,840 NZD
$1,035 USD
View
B+
Retailer 13
-
$2,023 NZD
€1,084 EUR
View
B+
Retailer 14
-
$2,143 NZD
$1,206 USD
View
Retailer 15
-
$2,399 NZD
A$2,076 AUD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$2,867 NZD
£1,270 GBP
View
B
Retailer 17
-
$4,909 NZD
$2,762 USD
View
Most Expensive
NZ Jewellers
e8286dc9-425c-4c08-b5d3-007cf7aabede · Sep 11
$4,937 NZD
$2,778 USD
View
Price last confirmed 52 days ago
17 more retailers have this diamond
Prices start from $1,160 NZDSave up to $3,749 NZD

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
$1,160 NZD