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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 1438221036

Certificate GIA 1438221036

Diamond specifications and retailer prices

From $3,647 NZD
As of November 5, 2026
Save $6,925 NZD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,572 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1438221036. Listed at 18 retailers as of November 5, 2026, with prices from $3,647 to $10,572, a $6,925 spread on the same certified stone. NZ Jewellers lists it at $10,572. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1438221036
Dimensions6.36 × 6.29 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.36 mm6.29 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1438221036
Side View
Table 61.0%Crown 36°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 63.1%

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 5
Current: $5,141 NZD|Low: $3,512 NZD|High: $8,966 NZD|Avg: $5,156 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 4$3,647 NZD
Retailer 8$3,688 NZD
Retailer 9$4,458 NZD
Retailer 6$4,590 NZD
Retailer 10$4,666 NZD
Retailer 1$5,141 NZD
Retailer 2$5,251 NZD
Retailer 3$5,321 NZD
Retailer 7$5,692 NZD
Retailer 5$8,834 NZD

40 data points across 10 retailers

18 retailers$3,647 NZD to $10,572 NZD

A
Cheapest Retailer
-
$3,647 NZD
A
Retailer 2
-
$3,688 NZD
View
A
Retailer 3
-
$4,458 NZD
View
B+
Retailer 4
-
$4,474 NZD
View
A
Retailer 5
-
$4,590 NZD
View
B+
Retailer 6
-
$4,666 NZD
View
Final sale: no returns
B+
Retailer 7
-
$5,057 NZD
View
Retailer 8
-
$5,057 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$5,141 NZD
View
B+
Retailer 10
-
$5,251 NZD
View
B+
Retailer 11
-
$5,308 NZD
View
B+
Retailer 12
-
$5,321 NZD
View
B+
Retailer 13
-
$5,692 NZD
View
B+
Retailer 14
-
$5,835 NZD
View
B
Retailer 15
-
$7,968 NZD
View
B
Retailer 16
-
$8,834 NZD
View
B
Retailer 17
-
$9,195 NZD
View
Most Expensive
B
NZ Jewellers
172b5417-a935-4794-9546-224095700267 · Nov 5
$10,572 NZD
$5,943 USD
View
17 more retailers have this diamond
Prices start from $3,647 NZDSave up to $6,925 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
$3,647 NZD