Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 6421402998

Certificate GIA 6421402998

Diamond specifications and retailer prices

From $8,306 NZD
$4,665 USD
As of October 29, 2026
Save $9,780 NZD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $18,086 NZD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 6421402998. Listed at 23 retailers as of October 27, 2026, with prices from $8,306 to $18,086, a $9,780 spread on the same certified stone. NZ Jewellers lists it at $18,086. 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

1.01
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6421402998
Dimensions6.60 × 6.56 × 3.79 mm
L/W Ratio1.01
Top View
6.60 mm6.56 mm1.01 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6421402998
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $10,446 NZD|Low: $7,535 NZD|High: $16,123 NZD|Avg: $11,161 NZD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5$8,368 NZD
Retailer 6$9,043 NZD
Retailer 8$9,796 NZD
Retailer 1$10,446 NZD
Retailer 7$10,746 NZD
Retailer 3$11,501 NZD
Retailer 4$13,168 NZD
Retailer 2$16,016 NZD

43 data points across 8 retailers

23 retailers$8,306 NZD to $18,086 NZD

B
Cheapest Retailer
-
$8,306 NZD
$4,665 USD
B
Retailer 2
-
$8,368 NZD
$4,700 USD
View
Price last confirmed 11 days ago
B
Retailer 3
-
$8,543 NZD
$4,798 USD
View
B
Retailer 4
-
$9,043 NZD
$5,079 USD
View
Final sale: no returns
B
Retailer 5
-
$9,170 NZD
$5,150 USD
View
B
Retailer 6
-
$9,187 NZD
CA$7,167 CAD
View
B
Retailer 7
-
$9,202 NZD
$5,168 USD
View
B
Retailer 8
-
$9,796 NZD
$5,502 USD
View
B
Retailer 9
-
$9,796 NZD
$5,502 USD
View
B
Retailer 10
-
$9,796 NZD
$5,502 USD
View
B
Retailer 11
-
$10,446 NZD
£4,619 GBP
View
B
Retailer 12
-
$10,681 NZD
$5,999 USD
View
B
Retailer 13
-
$10,746 NZD
A$9,285 AUD
View
Price last confirmed 25 days ago
B
Retailer 14
-
$10,950 NZD
$6,150 USD
View
B
Retailer 15
-
$10,950 NZD
$6,150 USD
View
C
Retailer 16
-
$11,304 NZD
$6,349 USD
View
C
Retailer 17
-
$11,306 NZD
$6,350 USD
View
B
Retailer 18
-
$11,501 NZD
€6,152 EUR
View
C
Retailer 19
-
$11,926 NZD
$6,698 USD
View
B
Retailer 20
-
$13,168 NZD
ZAR 119,476 ZAR
View
B
Retailer 21
-
$16,016 NZD
£7,083 GBP
View
C
Retailer 22
-
$17,595 NZD
£7,781 GBP
View
Most Expensive
C
NZ Jewellers
7dbea5e0-5c78-45b1-ad5f-77723af63666 · Oct 27
$18,086 NZD
$10,158 USD
View
22 more retailers have this diamond
Prices start from $8,306 NZDSave up to $9,780 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
1.01ct Round
$8,306 NZD