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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 $1,664 USD
As of November 6, 2026
Save $3,007 USD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,671 USD 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 $1,664 to $4,671, a $3,007 spread on the same certified stone. NZ Jewellers lists it at $4,671. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,671 USD|Low: $1,638 USD|High: $4,772 USD|Avg: $2,451 USD|-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$1,664 USD
Retailer 16$1,794 USD
Retailer 4$2,018 USD
Retailer 2$2,020 USD
Retailer 7$2,062 USD
Retailer 8$2,116 USD
Retailer 6$2,220 USD
Retailer 9$2,234 USD
Retailer 18$2,234 USD
Retailer 10$2,253 USD
Retailer 11$2,307 USD
Retailer 5$2,337 USD
Retailer 17$2,373 USD
Retailer 12$2,413 USD
Retailer 3$2,578 USD
Retailer 13$2,770 USD
Retailer 14$3,914 USD
NZ Jewellers$4,671 USD

31 data points across 18 retailers

18 retailers$1,664 USD to $4,671 USD

A
Cheapest Retailer
-
$1,664 USD
A
Retailer 2
-
$1,794 USD
View
A
Retailer 3
-
$2,018 USD
View
A
Retailer 4
-
$2,020 USD
View
B+
Retailer 5
-
$2,062 USD
View
Final sale: no returns
A
Retailer 6
-
$2,116 USD
View
B+
Retailer 7
-
$2,220 USD
View
Retailer 8
-
$2,234 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,234 USD
View
A
Retailer 10
-
$2,307 USD
View
B+
Retailer 11
-
$2,337 USD
View
A
Retailer 12
-
$2,373 USD
View
A
Retailer 13
-
$2,413 USD
View
B+
Retailer 14
-
$2,578 USD
View
B+
Retailer 15
-
$2,770 USD
View
B
Retailer 16
-
$3,914 USD
View
B
Retailer 17
-
$4,571 USD
View
Most Expensive
B
NZ Jewellers
bed3291e-ec80-4058-af36-13a7973dc738 · Nov 5
$4,671 USD
View
17 more retailers have this diamond
Prices start from $1,664 USDSave up to $3,007 USD

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
$1,664 USD