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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 1439308520

Certificate GIA 1439308520

Diamond specifications and retailer prices

From $2,109 USD
As of November 6, 2026
Save $4,012 USD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,121 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 1439308520. Listed at 18 retailers as of November 5, 2026, with prices from $2,109 to $6,121, a $4,012 spread on the same certified stone. NZ Jewellers lists it at $6,121. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 1439308520
Dimensions6.33 × 6.23 × 4.02 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Knot, Cloud, Needle, Indented Natural, Natural
Top View
6.33 mm6.23 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1439308520
Side View
Table 60.0%Crown 35°Girdle: THN-THKPavilion 42°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: $2,109 USD|Low: $2,040 USD|High: $4,955 USD|Avg: $2,973 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,109 USD
Retailer 6$2,150 USD
Retailer 8$2,581 USD
Retailer 7$2,702 USD
Retailer 2$2,983 USD
Retailer 9$3,040 USD
Retailer 3$3,081 USD
Retailer 5$3,307 USD
Retailer 4$4,883 USD

42 data points across 9 retailers

18 retailers$2,109 USD to $6,121 USD

A
Cheapest Retailer
-
$2,109 USD
A
Retailer 2
-
$2,150 USD
View
B+
Retailer 3
-
$2,522 USD
View
B+
Retailer 4
-
$2,581 USD
View
B+
Retailer 5
-
$2,702 USD
View
Final sale: no returns
Retailer 6
-
$2,760 USD
View
Price last confirmed 109 days ago
Retailer 7
-
$2,928 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,928 USD
View
B+
Retailer 9
-
$2,983 USD
View
B+
Retailer 10
-
$3,040 USD
View
B+
Retailer 11
-
$3,070 USD
View
B+
Retailer 12
-
$3,081 USD
View
B+
Retailer 13
-
$3,307 USD
View
B
Retailer 14
-
$3,378 USD
View
B
Retailer 15
-
$4,217 USD
View
B
Retailer 16
-
$4,883 USD
View
B
Retailer 17
-
$5,211 USD
View
Most Expensive
C
NZ Jewellers
1efb18db-5499-4377-abda-6f3a6570f74b · Nov 5
$6,121 USD
View
17 more retailers have this diamond
Prices start from $2,109 USDSave up to $4,012 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
$2,109 USD