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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 $3,804 NZD
As of November 6, 2026
Save $7,237 NZD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,042 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 1439308520. Listed at 18 retailers as of November 5, 2026, with prices from $3,804 to $11,042, a $7,237 spread on the same certified stone. NZ Jewellers lists it at $11,042. 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
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: $3,804 NZD|Low: $3,680 NZD|High: $8,938 NZD|Avg: $5,363 NZD|-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$3,804 NZD
Retailer 6$3,878 NZD
Retailer 8$4,656 NZD
Retailer 7$4,874 NZD
Retailer 2$5,381 NZD
Retailer 9$5,484 NZD
Retailer 3$5,558 NZD
Retailer 5$5,965 NZD
Retailer 4$8,808 NZD

42 data points across 9 retailers

18 retailers$3,804 NZD to $11,042 NZD

A
Cheapest Retailer
-
$3,804 NZD
A
Retailer 2
-
$3,878 NZD
View
B+
Retailer 3
-
$4,549 NZD
View
B+
Retailer 4
-
$4,656 NZD
View
B+
Retailer 5
-
$4,874 NZD
View
Final sale: no returns
Retailer 6
-
$4,979 NZD
View
Price last confirmed 110 days ago
Retailer 7
-
$5,282 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$5,282 NZD
View
B+
Retailer 9
-
$5,381 NZD
View
B+
Retailer 10
-
$5,484 NZD
View
B+
Retailer 11
-
$5,538 NZD
View
B+
Retailer 12
-
$5,558 NZD
View
B+
Retailer 13
-
$5,965 NZD
View
B
Retailer 14
-
$6,094 NZD
View
B
Retailer 15
-
$7,607 NZD
View
B
Retailer 16
-
$8,808 NZD
View
B
Retailer 17
-
$9,400 NZD
View
Most Expensive
C
NZ Jewellers
1efb18db-5499-4377-abda-6f3a6570f74b · Nov 5
$11,042 NZD
$6,121 USD
View
17 more retailers have this diamond
Prices start from $3,804 NZDSave up to $7,237 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
$3,804 NZD