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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1569467255

Certificate GIA 1569467255

Diamond specifications and retailer prices

From $2,321 NZD
As of November 6, 2026
Save $2,997 NZD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,196 NZD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569467255. Listed at 20 retailers as of November 4, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569467255
Dimensions6.32 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.36 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569467255
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NDepth 62.6%

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: $2,914 NZD|Low: $2,163 NZD|High: $7,397 NZD|Avg: $3,065 NZD|+3.5%
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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 9$2,265 NZD
Retailer 2$2,321 NZD
Retailer 17$2,355 NZD
Retailer 4$2,547 NZD
Retailer 13$2,555 NZD
Retailer 6$2,558 NZD
Retailer 3$2,654 NZD
Retailer 16$2,759 NZD
Retailer 18$2,885 NZD
Retailer 1$2,914 NZD
Retailer 10$2,949 NZD
Retailer 11$3,042 NZD
Retailer 19$3,182 NZD
Retailer 5$3,255 NZD
Retailer 7$3,255 NZD
Retailer 12$3,360 NZD
Retailer 8$3,362 NZD
Retailer 20$3,705 NZD
Retailer 14$3,862 NZD
Retailer 15$5,319 NZD

27 data points across 20 retailers

20 retailers$2,321 NZD to $5,319 NZD

Retailer 1
-
$2,265 NZD
Price last confirmed 23 days ago
A
Retailer 2
-
$2,321 NZD
View
A
Retailer 3
-
$2,355 NZD
View
A
Retailer 4
-
$2,547 NZD
View
Final sale: no returns
A
Retailer 5
-
$2,558 NZD
View
A
Retailer 6
-
$2,654 NZD
View
A
Retailer 7
-
$2,759 NZD
View
B+
Retailer 8
-
$2,885 NZD
View
A
Retailer 9
-
$2,914 NZD
View
Retailer 10
-
$2,949 NZD
View
Price last confirmed 25 days ago
Retailer 11
-
$3,042 NZD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$3,182 NZD
View
B+
Retailer 13
-
$3,255 NZD
View
B+
Retailer 14
-
$3,255 NZD
View
B+
Retailer 15
-
$3,360 NZD
View
B+
Retailer 16
-
$3,362 NZD
View
B
Retailer 17
-
$3,705 NZD
View
B+
Retailer 18
-
$3,862 NZD
View
B
Retailer 19
-
$5,319 NZD
View
Most Expensive
NZ Jewellers
18c832b7-0cae-4bb5-a2ea-71ab1c5be941 · Oct 11
$7,196 NZD
$4,045 USD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from $2,321 NZDSave up to $2,997 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
$2,321 NZD