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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 6431284794

Certificate GIA 6431284794

Diamond specifications and retailer prices

From $3,337 NZD
₹179,093 INR
As of October 30, 2026
Save $6,289 NZD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,626 NZD at NZ Jewellers · As of October 30, 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 6431284794. Listed at 19 retailers as of October 30, 2026, with prices from $3,337 to $9,626, a $6,289 spread on the same certified stone. NZ Jewellers lists it at $9,626. 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
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6431284794
Dimensions6.31 × 6.25 × 4.01 mm
L/W Ratio1.01
Top View
6.31 mm6.25 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6431284794
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°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 30
Current: $3,337 NZD|Low: $3,181 NZD|High: $8,164 NZD|Avg: $4,482 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 1$3,337 NZD
Retailer 2$3,339 NZD
Retailer 7$4,019 NZD
Retailer 3$4,076 NZD
Retailer 8$4,123 NZD
Retailer 9$4,249 NZD
Retailer 10$4,817 NZD
Retailer 4$4,892 NZD
Retailer 6$5,174 NZD
Retailer 5$8,110 NZD

32 data points across 10 retailers

19 retailers$3,337 NZD to $9,626 NZD

A
Cheapest Retailer
-
$3,337 NZD
₹179,093 INR
A
Retailer 2
-
$3,339 NZD
HK$14,700 HKD
View
Retailer 3
-
$4,019 NZD
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$4,074 NZD
$2,296 USD
View
A
Retailer 5
-
$4,076 NZD
£1,809 GBP
View
A
Retailer 6
-
$4,079 NZD
$2,299 USD
View
A
Retailer 7
-
$4,123 NZD
$2,324 USD
View
B+
Retailer 8
-
$4,249 NZD
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
$4,604 NZD
$2,595 USD
View
B+
Retailer 10
-
$4,670 NZD
SGD 3,557 SGD
View
B+
Retailer 11
-
$4,817 NZD
$2,715 USD
View
A
Retailer 12
-
$4,892 NZD
£2,171 GBP
View
B+
Retailer 13
-
$4,980 NZD
$2,807 USD
View
B+
Retailer 14
-
$5,174 NZD
€2,777 EUR
View
B+
Retailer 15
-
$5,312 NZD
$2,994 USD
View
B
Retailer 16
-
$7,947 NZD
$4,479 USD
View
B
Retailer 17
-
$8,110 NZD
£3,599 GBP
View
B
Retailer 18
-
$9,003 NZD
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
$9,626 NZD
$5,425 USD
View
18 more retailers have this diamond
Prices start from $3,337 NZDSave up to $6,289 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
$3,337 NZD