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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 6392299025

Certificate GIA 6392299025

Diamond specifications and retailer prices

From $3,752 NZD
As of October 31, 2026
Save $7,176 NZD (66%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,928 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 E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6392299025. Listed at 24 retailers as of October 31, 2026, with prices from $3,752 to $10,928, a $7,176 spread on the same certified stone. NZ Jewellers lists it at $10,928. 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
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6392299025
Dimensions6.18 × 6.14 × 4.04 mm
L/W Ratio1.01
Top View
6.18 mm6.14 mm1.00 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6392299025
Side View
Table 58.0%Crown 38.5°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.5%

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: Oct 31
Current: $5,000 NZD|Low: $3,741 NZD|High: $8,788 NZD|Avg: $5,318 NZD|-1.9%
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$3,752 NZD
Retailer 11$3,802 NZD
Retailer 2$4,680 NZD
Retailer 9$4,728 NZD
Retailer 3$4,824 NZD
Retailer 1$5,000 NZD
Retailer 4$5,294 NZD
Retailer 5$5,500 NZD
Retailer 8$5,829 NZD
Retailer 6$6,379 NZD
Retailer 7$8,717 NZD

31 data points across 11 retailers

24 retailers$3,752 NZD to $10,928 NZD

A
Cheapest Retailer
-
$3,752 NZD
A
Retailer 2
-
$3,802 NZD
View
B+
Retailer 3
-
$4,502 NZD
View
B+
Retailer 4
-
$4,680 NZD
View
B+
Retailer 5
-
$4,728 NZD
View
B+
Retailer 6
-
$4,824 NZD
View
Final sale: no returns
B+
Retailer 7
-
$4,935 NZD
View
B+
Retailer 8
-
$5,000 NZD
View
B+
Retailer 9
-
$5,105 NZD
View
B+
Retailer 10
-
$5,226 NZD
View
Retailer 11
-
$5,226 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$5,258 NZD
View
Price last confirmed 109 days ago
B+
Retailer 13
-
$5,294 NZD
View
B+
Retailer 14
-
$5,427 NZD
View
B+
Retailer 15
-
$5,479 NZD
View
B+
Retailer 16
-
$5,500 NZD
View
B+
Retailer 17
-
$5,829 NZD
View
Retailer 18
-
$5,877 NZD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$6,030 NZD
View
B
Retailer 20
-
$6,379 NZD
View
B
Retailer 21
-
$8,717 NZD
View
B
Retailer 22
-
$9,850 NZD
View
C
Retailer 23
-
$10,298 NZD
View
Most Expensive
C
NZ Jewellers
21b345b7-76c4-4d88-b70b-daf06d2a06a4 · Nov 5
$10,928 NZD
$6,143 USD
View
23 more retailers have this diamond
Prices start from $3,752 NZDSave up to $7,176 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
$3,752 NZD