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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 7421531215

Certificate GIA 7421531215

Diamond specifications and retailer prices

From $3,474 NZD
As of November 6, 2026
Save $6,050 NZD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,524 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 standard cut grade and certified by GIA 7421531215. Listed at 19 retailers as of November 5, 2026, with prices from $3,474 to $9,524, a $6,050 spread on the same certified stone. Diamond Quarter lists it at $9,524. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7421531215
Dimensions6.42 × 6.32 × 3.87 mm
L/W Ratio1.02
Top View
6.42 mm6.32 mm1.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421531215
Side View
Table 62.0%Crown 31°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 60.8%

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: $3,894 NZD|Low: $3,474 NZD|High: $8,877 NZD|Avg: $4,819 NZD|-13.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$3,474 NZD
Retailer 2$3,576 NZD
Retailer 4$3,743 NZD
Retailer 14$3,846 NZD
Retailer 16$3,846 NZD
Retailer 1$3,894 NZD
Retailer 13$3,944 NZD
Retailer 15$4,024 NZD
Retailer 6$4,438 NZD
Retailer 9$4,440 NZD
Retailer 11$4,465 NZD
Retailer 5$4,536 NZD
Retailer 8$4,536 NZD
Retailer 3$4,679 NZD
Retailer 10$5,273 NZD
Retailer 12$7,436 NZD
Retailer 7$8,877 NZD

36 data points across 17 retailers

19 retailers$3,474 NZD to $9,524 NZD

A
Cheapest Retailer
-
$3,474 NZD
A
Retailer 2
-
$3,576 NZD
View
A
Retailer 3
-
$3,743 NZD
View
Retailer 4
-
$3,846 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,846 NZD
View
A
Retailer 6
-
$3,894 NZD
View
A
Retailer 7
-
$3,944 NZD
View
B+
Retailer 8
-
$4,024 NZD
View
B+
Retailer 9
-
$4,438 NZD
View
B+
Retailer 10
-
$4,440 NZD
View
Final sale: no returns
B+
Retailer 11
-
$4,465 NZD
View
B+
Retailer 12
-
$4,483 NZD
View
B+
Retailer 13
-
$4,536 NZD
View
B+
Retailer 14
-
$4,536 NZD
View
B+
Retailer 15
-
$4,679 NZD
View
B+
Retailer 16
-
$5,273 NZD
View
B
Retailer 17
-
$7,436 NZD
View
C
Retailer 18
-
$8,877 NZD
View
Most Expensive
C
Diamond Quarter
1.0SI2G74156F91N · Nov 5
$9,524 NZD
£4,216 GBP
View
18 more retailers have this diamond
Prices start from $3,474 NZDSave up to $6,050 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
$3,474 NZD