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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6415951080

Certificate GIA 6415951080

Diamond specifications and retailer prices

From $3,280 NZD
As of November 6, 2026
Save $6,265 NZD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,546 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6415951080. Listed at 19 retailers as of November 5, 2026, with prices from $3,280 to $9,546, a $6,265 spread on the same certified stone. NZ Jewellers lists it at $9,546. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6415951080
Dimensions6.33 × 6.25 × 4.00 mm
L/W Ratio1.01
Top View
6.33 mm6.25 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415951080
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 63.6%

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: $3,280 NZD|Low: $3,280 NZD|High: $8,094 NZD|Avg: $4,738 NZD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,280 NZD
Retailer 6$3,346 NZD
Retailer 8$4,125 NZD
Retailer 2$4,188 NZD
Retailer 9$4,214 NZD
Retailer 7$4,230 NZD
Retailer 3$4,803 NZD
Retailer 5$5,136 NZD
Retailer 4$7,977 NZD

28 data points across 9 retailers

19 retailers$3,280 NZD to $9,546 NZD

A
Cheapest Retailer
-
$3,280 NZD
A
Retailer 2
-
$3,346 NZD
View
B+
Retailer 3
-
$4,038 NZD
View
B+
Retailer 4
-
$4,125 NZD
View
A
Retailer 5
-
$4,188 NZD
View
B+
Retailer 6
-
$4,214 NZD
View
Final sale: no returns
B+
Retailer 7
-
$4,230 NZD
View
Retailer 8
-
$4,335 NZD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
$4,566 NZD
View
B+
Retailer 10
-
$4,639 NZD
View
B+
Retailer 11
-
$4,776 NZD
View
B+
Retailer 12
-
$4,803 NZD
View
B+
Retailer 13
-
$4,815 NZD
View
B+
Retailer 14
-
$5,136 NZD
View
B+
Retailer 15
-
$5,267 NZD
View
B
Retailer 16
-
$7,036 NZD
View
B
Retailer 17
-
$7,977 NZD
View
B
Retailer 18
-
$8,523 NZD
View
Most Expensive
C
NZ Jewellers
0bf9288f-91fa-4ac4-bf02-aa7357af922c · Nov 5
$9,546 NZD
$5,366 USD
View
18 more retailers have this diamond
Prices start from $3,280 NZDSave up to $6,265 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
$3,280 NZD