Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7361299633

Certificate GIA 7361299633

Diamond specifications and retailer prices

From $3,478 NZD
As of November 6, 2026
Save $5,722 NZD (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,200 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7361299633. Listed at 24 retailers as of November 5, 2026, with prices from $3,478 to $9,200, a $5,722 spread on the same certified stone. NZ Jewellers lists it at $9,200. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7361299633
Dimensions6.37 × 6.34 × 3.94 mm
L/W Ratio1.00
Top View
6.37 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7361299633
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,629 NZD|Low: $3,166 NZD|High: $7,802 NZD|Avg: $5,038 NZD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$3,680 NZD
Retailer 9$3,698 NZD
Retailer 3$4,171 NZD
Retailer 8$4,317 NZD
Retailer 1$4,629 NZD
Retailer 4$5,096 NZD
Retailer 5$5,110 NZD
Retailer 6$5,370 NZD
Retailer 11$5,417 NZD
Retailer 2$6,330 NZD
Retailer 7$7,688 NZD

41 data points across 11 retailers

24 retailers$3,478 NZD to $9,200 NZD

B+
Cheapest Retailer
-
$3,478 NZD
B+
Retailer 2
-
$3,597 NZD
View
B+
Retailer 3
-
$3,601 NZD
View
B+
Retailer 4
-
$3,658 NZD
View
B+
Retailer 5
-
$3,680 NZD
View
Final sale: no returns
B+
Retailer 6
-
$3,698 NZD
View
B+
Retailer 7
-
$3,754 NZD
View
B+
Retailer 8
-
$3,846 NZD
View
Retailer 9
-
$3,987 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,987 NZD
View
B+
Retailer 11
-
$4,014 NZD
View
B+
Retailer 12
-
$4,171 NZD
View
B
Retailer 13
-
$4,317 NZD
View
B
Retailer 14
-
$4,349 NZD
View
B
Retailer 15
-
$4,600 NZD
View
B+
Retailer 16
-
$4,629 NZD
View
B
Retailer 17
-
$5,087 NZD
View
B
Retailer 18
-
$5,096 NZD
View
B
Retailer 19
-
$5,110 NZD
View
B
Retailer 20
-
$5,370 NZD
View
Retailer 21
-
$5,417 NZD
View
Price last confirmed 30 days ago
B
Retailer 22
-
$6,330 NZD
View
B
Retailer 23
-
$7,688 NZD
View
Most Expensive
B
NZ Jewellers
06bb5a5e-1e19-4d5d-9736-dc067e22ac14 · Nov 5
$9,200 NZD
$5,100 USD
View
23 more retailers have this diamond
Prices start from $3,478 NZDSave up to $5,722 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.

B+
1.00ct Round
$3,478 NZD