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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6451475677

Certificate GIA 6451475677

Diamond specifications and retailer prices

From $4,715 NZD
As of November 6, 2026
Save $7,840 NZD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,556 NZD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451475677. Listed at 19 retailers as of November 6, 2026, with prices from $4,715 to $12,556, a $7,840 spread on the same certified stone. Diamond Quarter lists it at $12,556. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451475677
Dimensions6.46 × 6.42 × 3.93 mm
L/W Ratio1.01
Top View
6.46 mm6.42 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451475677
Side View
Table 57.0%Crown 33°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 61.0%

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 6
Current: $4,715 NZD|Low: $4,715 NZD|High: $11,006 NZD|Avg: $6,596 NZD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$4,715 NZD
Retailer 8$4,779 NZD
Retailer 2$5,670 NZD
Retailer 9$5,772 NZD
Retailer 3$5,879 NZD
Retailer 10$6,000 NZD
Retailer 4$6,660 NZD
Retailer 5$6,687 NZD
Retailer 7$6,943 NZD
Retailer 6$10,845 NZD

31 data points across 10 retailers

19 retailers$4,715 NZD to $12,556 NZD

A
Cheapest Retailer
-
$4,715 NZD
A
Retailer 2
-
$4,779 NZD
View
B+
Retailer 3
-
$5,670 NZD
View
B+
Retailer 4
-
$5,772 NZD
View
B+
Retailer 5
-
$5,879 NZD
View
B+
Retailer 6
-
$6,000 NZD
View
Final sale: no returns
Retailer 7
-
$6,086 NZD
View
Price last confirmed 110 days ago
Retailer 8
-
$6,503 NZD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$6,503 NZD
View
B+
Retailer 10
-
$6,660 NZD
View
B+
Retailer 11
-
$6,687 NZD
View
B+
Retailer 12
-
$6,752 NZD
View
B+
Retailer 13
-
$6,765 NZD
View
B+
Retailer 14
-
$6,943 NZD
View
B
Retailer 15
-
$7,502 NZD
View
B
Retailer 16
-
$7,607 NZD
View
B
Retailer 17
-
$10,845 NZD
View
B
Retailer 18
-
$11,328 NZD
View
Most Expensive
B
Diamond Quarter
1.0SI2F64778F74N · Nov 6
$12,556 NZD
£5,481 GBP
View
18 more retailers have this diamond
Prices start from $4,715 NZDSave up to $7,840 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
1.00ct Round
$4,715 NZD