Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 5446385330

Certificate GIA 5446385330

Diamond specifications and retailer prices

From $3,015 NZD
As of October 31, 2026
Save $5,664 NZD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,679 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5446385330. Listed at 19 retailers as of October 31, 2026, with prices from $3,015 to $8,679, a $5,664 spread on the same certified stone. NZ Jewellers lists it at $8,679. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 5446385330
Dimensions6.28 × 6.24 × 3.99 mm
L/W Ratio1.01
Top View
6.28 mm6.24 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5446385330
Side View
Table 55.0%Crown 38°Girdle: MED-THKPavilion 40°Culet: NoneDepth 63.8%

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: $4,216 NZD|Low: $2,884 NZD|High: $7,359 NZD|Avg: $4,320 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,015 NZD
Retailer 9$3,028 NZD
Retailer 3$3,412 NZD
Retailer 10$3,832 NZD
Retailer 7$3,898 NZD
Retailer 1$4,216 NZD
Retailer 2$4,342 NZD
Retailer 4$4,485 NZD
Retailer 6$5,113 NZD
Retailer 5$7,253 NZD

44 data points across 10 retailers

19 retailers$3,015 NZD to $8,679 NZD

A
Cheapest Retailer
-
$3,015 NZD
A
Retailer 2
-
$3,028 NZD
View
B+
Retailer 3
-
$3,412 NZD
View
B+
Retailer 4
-
$3,672 NZD
View
B+
Retailer 5
-
$3,832 NZD
View
Final sale: no returns
A
Retailer 6
-
$3,898 NZD
View
B+
Retailer 7
-
$4,010 NZD
View
Retailer 8
-
$4,147 NZD
View
Price last confirmed 109 days ago
Retailer 9
-
$4,152 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,152 NZD
View
B+
Retailer 11
-
$4,216 NZD
View
B+
Retailer 12
-
$4,342 NZD
View
B+
Retailer 13
-
$4,399 NZD
View
B+
Retailer 14
-
$4,485 NZD
View
B+
Retailer 15
-
$4,791 NZD
View
B+
Retailer 16
-
$5,113 NZD
View
B
Retailer 17
-
$6,196 NZD
View
B
Retailer 18
-
$7,253 NZD
View
Most Expensive
C
NZ Jewellers
f6636306-9ff9-4a72-ade3-2fcc32f6cb24 · Nov 5
$8,679 NZD
$4,879 USD
View
18 more retailers have this diamond
Prices start from $3,015 NZDSave up to $5,664 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
$3,015 NZD