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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6412359992

Certificate GIA 6412359992

Diamond specifications and retailer prices

From $3,469 NZD
As of October 31, 2026
Save $6,497 NZD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,965 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6412359992. Listed at 19 retailers as of October 31, 2026, with prices from $3,469 to $9,965, a $6,497 spread on the same certified stone. NZ Jewellers lists it at $9,965. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6412359992
Dimensions6.25 × 6.16 × 4.01 mm
L/W Ratio1.01
Top View
6.25 mm6.16 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412359992
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.7%

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: Oct 31
Current: $4,435 NZD|Low: $3,460 NZD|High: $8,452 NZD|Avg: $4,956 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,469 NZD
Retailer 8$3,483 NZD
Retailer 9$4,399 NZD
Retailer 6$4,410 NZD
Retailer 1$4,435 NZD
Retailer 2$4,855 NZD
Retailer 3$5,015 NZD
Retailer 5$5,390 NZD
Retailer 4$8,329 NZD

33 data points across 9 retailers

19 retailers$3,469 NZD to $9,965 NZD

A
Cheapest Retailer
-
$3,469 NZD
A
Retailer 2
-
$3,483 NZD
View
B+
Retailer 3
-
$4,216 NZD
View
B+
Retailer 4
-
$4,399 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,410 NZD
View
B+
Retailer 6
-
$4,435 NZD
View
Retailer 7
-
$4,513 NZD
View
Price last confirmed 109 days ago
Retailer 8
-
$4,767 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,767 NZD
View
B+
Retailer 10
-
$4,855 NZD
View
B+
Retailer 11
-
$4,951 NZD
View
B+
Retailer 12
-
$5,015 NZD
View
B+
Retailer 13
-
$5,016 NZD
View
B
Retailer 14
-
$5,390 NZD
View
B
Retailer 15
-
$5,500 NZD
View
B
Retailer 16
-
$6,669 NZD
View
B
Retailer 17
-
$8,329 NZD
View
C
Retailer 18
-
$9,108 NZD
View
Most Expensive
C
NZ Jewellers
9b80595b-a9cd-4fb4-99e6-9398ee5f40ac · Nov 5
$9,965 NZD
$5,602 USD
View
18 more retailers have this diamond
Prices start from $3,469 NZDSave up to $6,497 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
$3,469 NZD