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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6492554464

Certificate GIA 6492554464

Diamond specifications and retailer prices

From $2,791 USD
As of October 28, 2026
Save $4,865 USD (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,656 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

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 6492554464. Listed at 24 retailers as of October 28, 2026, with prices from $2,791 to $7,656, a $4,865 spread on the same certified stone. Diamond Quarter lists it at $7,656. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492554464
Dimensions6.40 × 6.36 × 3.96 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.36 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492554464
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 28
Current: $3,642 USD|Low: $2,791 USD|High: $6,392 USD|Avg: $3,752 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 9$2,791 USD
Retailer 17$3,027 USD
Retailer 16$3,105 USD
Retailer 18$3,122 USD
Retailer 6$3,146 USD
Retailer 4$3,290 USD
Retailer 2$3,420 USD
Retailer 1$3,642 USD
Retailer 3$3,840 USD
Retailer 7$3,840 USD
Retailer 12$3,885 USD
Retailer 14$3,970 USD
Retailer 5$3,984 USD
Retailer 10$4,045 USD
Retailer 8$4,261 USD
Retailer 15$4,337 USD
Retailer 13$4,582 USD
Retailer 11$6,327 USD

30 data points across 18 retailers

24 retailers$2,791 USD to $7,656 USD

A
Cheapest Retailer
-
$2,791 USD
A
Retailer 2
-
$3,027 USD
View
A
Retailer 3
-
$3,105 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$3,122 USD
View
A
Retailer 5
-
$3,146 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,290 USD
View
B+
Retailer 7
-
$3,409 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$3,420 USD
View
B+
Retailer 9
-
$3,421 USD
View
Price last confirmed 41 days ago
B+
Retailer 10
-
$3,642 USD
£2,868 GBP
View
B+
Retailer 11
-
$3,840 USD
View
B+
Retailer 12
-
$3,840 USD
View
B+
Retailer 13
-
$3,885 USD
£3,059 GBP
View
B+
Retailer 14
-
$3,948 USD
View
Price last confirmed 41 days ago
B+
Retailer 15
-
$3,970 USD
View
B+
Retailer 16
-
$3,984 USD
View
B+
Retailer 17
-
$4,045 USD
A$6,224 AUD
View
Price last confirmed 20 days ago
B+
Retailer 18
-
$4,261 USD
View
B+
Retailer 19
-
$4,337 USD
£3,415 GBP
View
B+
Retailer 20
-
$4,582 USD
ZAR 74,028 ZAR
View
B
Retailer 21
-
$6,327 USD
£4,982 GBP
View
B
Retailer 22
-
$6,556 USD
View
Price last confirmed 12 days ago
B
Retailer 23
-
$6,580 USD
View
Price last confirmed 41 days ago
Most Expensive
B
Diamond Quarter
1.01SI1E6464056EN · Oct 28
$7,656 USD
£6,028 GBP
View
23 more retailers have this diamond
Prices start from $2,791 USDSave up to $4,865 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
$2,791 USD