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Radiant|Natural|GIA

1.00ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2556573529

Certificate GIA 2556573529

Diamond specifications and retailer prices

From $3,177 NZD
As of November 6, 2026
Save $5,812 NZD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,989 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556573529. Listed at 20 retailers as of November 5, 2026, with prices from $3,177 to $8,989, a $5,812 spread on the same certified stone. NZ Jewellers lists it at $8,989. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556573529
Dimensions6.87 × 4.90 × 3.24 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.87 mm4.90 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556573529
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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: $8,989 NZD|Low: $3,177 NZD|High: $9,151 NZD|Avg: $4,817 NZD|-1.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 16$3,177 NZD
Retailer 14$3,373 NZD
Retailer 8$3,770 NZD
Retailer 5$3,795 NZD
Retailer 6$3,884 NZD
Retailer 10$4,241 NZD
Retailer 2$4,257 NZD
Retailer 4$4,300 NZD
Retailer 11$4,351 NZD
Retailer 12$4,463 NZD
Retailer 17$4,551 NZD
Retailer 13$4,636 NZD
Retailer 15$4,871 NZD
Retailer 19$4,921 NZD
Retailer 18$4,977 NZD
Retailer 9$4,984 NZD
Retailer 3$5,248 NZD
Retailer 7$7,511 NZD
NZ Jewellers$8,989 NZD

17 data points across 19 retailers

20 retailers$3,177 NZD to $8,989 NZD

A
Cheapest Retailer
-
$3,177 NZD
A
Retailer 2
-
$3,373 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,770 NZD
View
A
Retailer 4
-
$3,795 NZD
View
A
Retailer 5
-
$3,884 NZD
View
B+
Retailer 6
-
$4,241 NZD
View
B+
Retailer 7
-
$4,257 NZD
View
A
Retailer 8
-
$4,300 NZD
View
Retailer 9
-
$4,351 NZD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,463 NZD
View
B+
Retailer 11
-
$4,551 NZD
View
B+
Retailer 12
-
$4,636 NZD
View
B+
Retailer 13
-
$4,871 NZD
View
B+
Retailer 14
-
$4,921 NZD
View
B+
Retailer 15
-
$4,977 NZD
View
B+
Retailer 16
-
$4,984 NZD
View
B+
Retailer 17
-
$5,248 NZD
View
Retailer 18
-
$5,421 NZD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$7,511 NZD
View
Most Expensive
B
NZ Jewellers
588a480b-b2d6-4fdf-9595-84da5724afaa · Nov 5
$8,989 NZD
$4,983 USD
View
19 more retailers have this diamond
Prices start from $3,177 NZDSave up to $5,812 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 Radiant
$3,177 NZD