Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 6421402998

Certificate GIA 6421402998

Diamond specifications and retailer prices

From $4,665 USD
As of October 27, 2026
Save $5,493 USD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,158 USD 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 $4,665 to $10,158, a $5,493 spread on the same certified stone. NZ Jewellers lists it at $10,158. 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
Color
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

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,995 USD|Low: $4,232 USD|High: $9,055 USD|Avg: $6,269 USD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5$4,700 USD
Retailer 6$5,079 USD
Retailer 8$5,502 USD
Retailer 2$5,849 USD
Retailer 7$6,035 USD
Retailer 3$6,460 USD
Retailer 4$7,396 USD
Retailer 1$8,995 USD

43 data points across 8 retailers

23 retailers$4,665 USD to $10,158 USD

B
Cheapest Retailer
-
$4,665 USD
B
Retailer 2
-
$4,700 USD
View
Price last confirmed 11 days ago
B
Retailer 3
-
$4,798 USD
View
B
Retailer 4
-
$5,079 USD
View
Final sale: no returns
B
Retailer 5
-
$5,150 USD
View
B
Retailer 6
-
$5,160 USD
CA$7,167 CAD
View
B
Retailer 7
-
$5,168 USD
View
B
Retailer 8
-
$5,502 USD
View
B
Retailer 9
-
$5,502 USD
View
B
Retailer 10
-
$5,502 USD
View
B
Retailer 11
-
$5,849 USD
£4,606 GBP
View
B
Retailer 12
-
$5,999 USD
View
B
Retailer 13
-
$6,035 USD
A$9,285 AUD
View
Price last confirmed 25 days ago
B
Retailer 14
-
$6,150 USD
View
B
Retailer 15
-
$6,150 USD
View
C
Retailer 16
-
$6,349 USD
View
C
Retailer 17
-
$6,350 USD
View
B
Retailer 18
-
$6,460 USD
€6,152 EUR
View
C
Retailer 19
-
$6,698 USD
View
B
Retailer 20
-
$7,396 USD
ZAR 119,476 ZAR
View
B
Retailer 21
-
$8,995 USD
£7,083 GBP
View
C
Retailer 22
-
$9,882 USD
£7,781 GBP
View
Most Expensive
C
NZ Jewellers
7dbea5e0-5c78-45b1-ad5f-77723af63666 · Oct 27
$10,158 USD
View
22 more retailers have this diamond
Prices start from $4,665 USDSave up to $5,493 USD

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
$4,665 USD