CaratHunter
Plans
Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From $2,800 NZD
As of November 6, 2026
Save $5,621 NZD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,421 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 5, 2026, with prices from $2,800 to $8,421, a $5,621 spread on the same certified stone. NZ Jewellers lists it at $8,421. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,421 NZD|Low: $2,800 NZD|High: $8,421 NZD|Avg: $3,995 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 11$2,800 NZD
Retailer 4$2,850 NZD
Retailer 9$2,900 NZD
Retailer 5$3,127 NZD
Retailer 13$3,127 NZD
Retailer 10$3,271 NZD
Retailer 3$3,419 NZD
Retailer 12$3,609 NZD
Retailer 2$3,727 NZD
Retailer 6$4,067 NZD
Retailer 7$4,373 NZD
Retailer 8$6,030 NZD
NZ Jewellers$8,421 NZD

40 data points across 13 retailers

16 retailers$2,800 NZD to $8,421 NZD

B+
Cheapest Retailer
-
$2,800 NZD
B+
Retailer 2
-
$2,814 NZD
View
B+
Retailer 3
-
$2,850 NZD
View
B+
Retailer 4
-
$2,900 NZD
View
B+
Retailer 5
-
$2,935 NZD
View
B+
Retailer 6
-
$3,127 NZD
View
Retailer 7
-
$3,127 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,271 NZD
View
B+
Retailer 9
-
$3,419 NZD
View
B
Retailer 10
-
$3,609 NZD
View
B
Retailer 11
-
$3,727 NZD
View
B
Retailer 12
-
$4,067 NZD
View
B
Retailer 13
-
$4,373 NZD
View
B
Retailer 14
-
$4,951 NZD
View
B
Retailer 15
-
$6,030 NZD
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
$8,421 NZD
$4,734 USD
View
15 more retailers have this diamond
Prices start from $2,800 NZDSave up to $5,621 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.

B+
1.00ct Round
$2,800 NZD