Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

ID • E/SI1 • GIA 56

Certificate GIA 56

Diamond specifications and retailer prices

From $2,410 USD
As of November 4, 2026
Save $5,751 USD (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,121 USD at Aurelinne · As of September 7, 2026
View at Aurelinne

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 top-tier cut grade and certified by GIA. Listed at 20 retailers as of November 4, 2026, with a 239% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 56
Dimensions6.51 × 6.54 × 3.92 mm
L/W Ratio1.00
Top View
6.51 mm6.54 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 56
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,056 USD|Low: $2,495 USD|High: $8,161 USD|Avg: $4,072 USD|-26.2%
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 3$2,505 USD
Retailer 2$2,518 USD
Retailer 8$2,576 USD
Retailer 7$2,648 USD
Retailer 6$2,750 USD
Aurelinne$3,056 USD
Retailer 9$3,588 USD
Retailer 4$4,331 USD
Retailer 5$5,537 USD
Retailer 10$8,161 USD

26 data points across 10 retailers

20 retailers$2,410 USD to $8,161 USD

A
Cheapest Retailer
-
$2,410 USD
A
Retailer 2
-
$2,505 USD
View
A
Retailer 3
-
$2,518 USD
View
A
Retailer 4
-
$2,576 USD
View
A
Retailer 5
-
$2,648 USD
View
A
Retailer 6
-
$2,750 USD
View
A
Retailer 7
-
$3,056 USD
View
Retailer 8
-
$3,270 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$3,588 USD
View
Price last confirmed 60 days ago
Retailer 10
-
$3,588 USD
View
Price last confirmed 23 days ago
Retailer 11
-
$4,141 USD
View
Price last confirmed 60 days ago
Retailer 12
-
$4,141 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$4,331 USD
View
B
Retailer 14
-
$5,537 USD
View
Retailer 15
-
$6,252 USD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$6,456 USD
View
B
Retailer 17
-
$7,008 USD
View
Retailer 18
-
$7,905 USD
View
Price last confirmed 60 days ago
B
Retailer 19
-
$8,161 USD
View
Most Expensive
Aurelinne
4223806a-9c63-426d-bce4-c8fafefb5b04 · Sep 7
$9,121 USD
View
Price last confirmed 60 days ago
19 more retailers have this diamond
Prices start from $2,410 USDSave up to $5,751 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.

A
1.01ct Round
$2,410 USD