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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566302813

Certificate GIA 2566302813

Diamond specifications and retailer prices

From $2,663 NZD
As of November 6, 2026
Save $6,036 NZD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,699 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 2566302813. Listed at 19 retailers as of November 5, 2026, with prices from $2,663 to $8,699, a $6,036 spread on the same certified stone. NZ Jewellers lists it at $8,699. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566302813
Dimensions6.29 × 6.23 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.29 mm6.23 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566302813
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 42.2°Culet: NDepth 64.2%

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: $8,699 NZD|Low: $2,663 NZD|High: $8,699 NZD|Avg: $4,051 NZD|+14.1%
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 6, 2026
Retailer 8$2,663 NZD
Retailer 9$2,763 NZD
Retailer 4$3,079 NZD
Retailer 16$3,225 NZD
Retailer 11$3,238 NZD
Retailer 5$3,252 NZD
Retailer 2$3,271 NZD
Retailer 7$3,291 NZD
Retailer 6$3,567 NZD
Retailer 10$3,711 NZD
Retailer 12$3,713 NZD
Retailer 19$3,730 NZD
Retailer 13$3,864 NZD
Retailer 3$4,115 NZD
Retailer 15$4,122 NZD
Retailer 14$4,577 NZD
Retailer 18$5,166 NZD
Retailer 17$6,230 NZD
NZ Jewellers$8,699 NZD

26 data points across 19 retailers

19 retailers$2,663 NZD to $8,699 NZD

A
Cheapest Retailer
-
$2,663 NZD
Retailer 2
-
$2,763 NZD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$3,079 NZD
View
Retailer 4
-
$3,104 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$3,225 NZD
View
Retailer 6
-
$3,238 NZD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$3,252 NZD
View
A
Retailer 8
-
$3,271 NZD
View
A
Retailer 9
-
$3,291 NZD
View
Final sale: no returns
A
Retailer 10
-
$3,567 NZD
View
A
Retailer 11
-
$3,713 NZD
View
A
Retailer 12
-
$3,730 NZD
View
A
Retailer 13
-
$3,864 NZD
View
A
Retailer 14
-
$4,115 NZD
View
A
Retailer 15
-
$4,122 NZD
View
B+
Retailer 16
-
$4,577 NZD
View
B+
Retailer 17
-
$5,166 NZD
View
B
Retailer 18
-
$6,230 NZD
View
Most Expensive
C
NZ Jewellers
aea2bd82-e878-478a-9d37-d6a4df82a19c · Nov 5
$8,699 NZD
$4,890 USD
View
18 more retailers have this diamond
Prices start from $2,663 NZDSave up to $6,036 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
$2,663 NZD