CaratHunter
Plans
Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1559987010

Certificate GIA 1559987010

Diamond specifications and retailer prices

From $3,159 NZD
As of November 6, 2026
Save $6,620 NZD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,779 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 top-tier cut grade and certified by GIA 1559987010. Listed at 14 retailers as of November 5, 2026, with prices from $3,159 to $9,779, a $6,620 spread on the same certified stone. NZ Jewellers lists it at $9,779. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559987010
Dimensions6.41 × 6.39 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.41 mm6.39 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559987010
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: $9,779 NZD|Low: $3,159 NZD|High: $9,779 NZD|Avg: $5,326 NZD
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
November 6, 2026
Retailer 7$3,159 NZD
Retailer 6$3,830 NZD
Retailer 8$3,833 NZD
Retailer 2$4,436 NZD
Retailer 9$4,492 NZD
Retailer 10$4,580 NZD
Retailer 3$4,678 NZD
Retailer 5$4,678 NZD
Retailer 13$4,762 NZD
Retailer 12$4,892 NZD
Retailer 11$4,937 NZD
Retailer 4$8,206 NZD
NZ Jewellers$9,779 NZD

27 data points across 13 retailers

14 retailers$3,159 NZD to $9,779 NZD

A
Cheapest Retailer
-
$3,159 NZD
A
Retailer 2
-
$3,830 NZD
View
A
Retailer 3
-
$3,833 NZD
View
A
Retailer 4
-
$4,436 NZD
View
A
Retailer 5
-
$4,492 NZD
View
A
Retailer 6
-
$4,521 NZD
View
A
Retailer 7
-
$4,580 NZD
View
A
Retailer 8
-
$4,678 NZD
View
Retailer 9
-
$4,678 NZD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$4,762 NZD
View
A
Retailer 11
-
$4,892 NZD
View
A
Retailer 12
-
$4,937 NZD
View
Retailer 13
-
$8,206 NZD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
6264d278-0ac1-4cc1-ba5e-a9c4b8e8aaaa · Nov 5
$9,779 NZD
$5,421 USD
View
13 more retailers have this diamond
Prices start from $3,159 NZDSave up to $6,620 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
$3,159 NZD