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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 $1,206 NZD
HK$5,300 HKD
As of November 1, 2026
Save $1,762 NZD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,005 NZD 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: $4,793 NZD|Low: $1,115 NZD|High: $4,957 NZD|Avg: $2,052 NZD|-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$1,206 NZD
Retailer 12$1,244 NZD
Retailer 3$1,278 NZD
Retailer 6$1,333 NZD
Retailer 11$1,406 NZD
Retailer 8$1,440 NZD
Retailer 13$1,468 NZD
Retailer 18$1,485 NZD
Retailer 9$1,574 NZD
Retailer 2$1,635 NZD
Retailer 4$1,706 NZD
Retailer 16$1,766 NZD
Retailer 10$2,092 NZD
Retailer 7$2,290 NZD
Retailer 5$2,316 NZD
Retailer 17$2,799 NZD
Retailer 15$2,968 NZD
NZ Jewellers$4,793 NZD

26 data points across 18 retailers

21 retailers$1,206 NZD to $2,968 NZD

A
Cheapest Retailer
-
$1,206 NZD
HK$5,300 HKD
A
Retailer 2
-
$1,244 NZD
$700 USD
View
A
Retailer 3
-
$1,278 NZD
$719 USD
View
Final sale: no returns
A
Retailer 4
-
$1,333 NZD
$750 USD
View
A
Retailer 5
-
$1,406 NZD
$791 USD
View
Retailer 6
-
$1,440 NZD
$810 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$1,468 NZD
A$1,271 AUD
View
A
Retailer 8
-
$1,485 NZD
€796 EUR
View
Retailer 9
-
$1,574 NZD
SGD 1,197 SGD
View
Price last confirmed 10 days ago
A
Retailer 10
-
$1,635 NZD
£724 GBP
View
A
Retailer 11
-
$1,706 NZD
$960 USD
View
A
Retailer 12
-
$1,766 NZD
$994 USD
View
B+
Retailer 13
-
$1,973 NZD
A$1,708 AUD
View
Retailer 14
-
$2,290 NZD
$1,288 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$2,316 NZD
ZAR 21,053 ZAR
View
Retailer 16
-
$2,377 NZD
A$2,058 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$2,799 NZD
£1,240 GBP
View
B
Retailer 18
-
$2,968 NZD
$1,670 USD
View
Retailer 19
-
$4,786 NZD
$2,693 USD
View
Price last confirmed 52 days ago
Retailer 20
-
$4,793 NZD
$2,697 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
2642d381-e9c3-4b06-98d3-de2bed1e91f8 · Sep 28
$5,005 NZD
$2,816 USD
View
Price last confirmed 35 days ago
20 more retailers have this diamond
Prices start from $1,206 NZDSave up to $1,762 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
$1,206 NZD