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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6401807782

Certificate GIA 6401807782

Diamond specifications and retailer prices

From $3,094 NZD
As of November 6, 2026
Save $5,578 NZD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,671 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 very-good cut grade and certified by GIA 6401807782. Listed at 19 retailers as of November 5, 2026, with prices from $3,094 to $8,671, a $5,578 spread on the same certified stone. NZ Jewellers lists it at $8,671. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6401807782
Dimensions6.29 × 6.20 × 3.99 mm
L/W Ratio1.01
Top View
6.29 mm6.20 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6401807782
Side View
Table 58.0%Crown 37.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.9%

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: $3,749 NZD|Low: $2,854 NZD|High: $7,353 NZD|Avg: $4,243 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$3,094 NZD
Retailer 4$3,301 NZD
Retailer 7$3,395 NZD
Retailer 8$3,467 NZD
Retailer 1$3,749 NZD
Retailer 9$3,931 NZD
Retailer 2$4,481 NZD
Retailer 5$5,060 NZD
Retailer 3$7,246 NZD

41 data points across 9 retailers

19 retailers$3,094 NZD to $8,671 NZD

A
Cheapest Retailer
-
$3,094 NZD
A
Retailer 2
-
$3,301 NZD
View
A
Retailer 3
-
$3,366 NZD
View
A
Retailer 4
-
$3,395 NZD
View
B+
Retailer 5
-
$3,467 NZD
View
Final sale: no returns
A
Retailer 6
-
$3,657 NZD
View
A
Retailer 7
-
$3,749 NZD
View
A
Retailer 8
-
$3,758 NZD
View
Retailer 9
-
$3,758 NZD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$3,931 NZD
View
B+
Retailer 11
-
$4,335 NZD
View
B+
Retailer 12
-
$4,365 NZD
View
B+
Retailer 13
-
$4,365 NZD
View
B+
Retailer 14
-
$4,481 NZD
View
B+
Retailer 15
-
$4,510 NZD
View
B+
Retailer 16
-
$5,060 NZD
View
B
Retailer 17
-
$7,246 NZD
View
B
Retailer 18
-
$8,339 NZD
View
Most Expensive
B
NZ Jewellers
63dd54fe-2527-4189-b675-5507dba8d58d · Nov 5
$8,671 NZD
$4,807 USD
View
18 more retailers have this diamond
Prices start from $3,094 NZDSave up to $5,578 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
$3,094 NZD