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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6421088086

Certificate GIA 6421088086

Diamond specifications and retailer prices

From $3,002 NZD
As of November 6, 2026
Save $5,424 NZD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,426 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 6421088086. Listed at 18 retailers as of November 5, 2026, with prices from $3,002 to $8,426, a $5,424 spread on the same certified stone. NZ Jewellers lists it at $8,426. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421088086
Dimensions6.30 × 6.21 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.21 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421088086
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.1%

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: $8,426 NZD|Low: $2,955 NZD|High: $8,608 NZD|Avg: $4,421 NZD|-2.1%
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 6, 2026
Retailer 15$3,002 NZD
Retailer 16$3,236 NZD
Retailer 4$3,640 NZD
Retailer 2$3,644 NZD
Retailer 7$3,720 NZD
Retailer 8$3,817 NZD
Retailer 6$4,005 NZD
Retailer 9$4,030 NZD
Retailer 18$4,030 NZD
Retailer 10$4,064 NZD
Retailer 11$4,162 NZD
Retailer 5$4,216 NZD
Retailer 17$4,281 NZD
Retailer 12$4,353 NZD
Retailer 3$4,650 NZD
Retailer 13$4,997 NZD
Retailer 14$7,060 NZD
NZ Jewellers$8,426 NZD

31 data points across 18 retailers

18 retailers$3,002 NZD to $8,426 NZD

A
Cheapest Retailer
-
$3,002 NZD
A
Retailer 2
-
$3,236 NZD
View
A
Retailer 3
-
$3,640 NZD
View
A
Retailer 4
-
$3,644 NZD
View
B+
Retailer 5
-
$3,720 NZD
View
Final sale: no returns
A
Retailer 6
-
$3,817 NZD
View
B+
Retailer 7
-
$4,005 NZD
View
Retailer 8
-
$4,030 NZD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$4,030 NZD
View
A
Retailer 10
-
$4,162 NZD
View
B+
Retailer 11
-
$4,216 NZD
View
A
Retailer 12
-
$4,281 NZD
View
A
Retailer 13
-
$4,353 NZD
View
B+
Retailer 14
-
$4,650 NZD
View
B+
Retailer 15
-
$4,997 NZD
View
B
Retailer 16
-
$7,060 NZD
View
B
Retailer 17
-
$8,246 NZD
View
Most Expensive
B
NZ Jewellers
bed3291e-ec80-4058-af36-13a7973dc738 · Nov 5
$8,426 NZD
$4,671 USD
View
17 more retailers have this diamond
Prices start from $3,002 NZDSave up to $5,424 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
$3,002 NZD