Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6525141139

Certificate GIA 6525141139

Diamond specifications and retailer prices

From $3,140 USD
As of November 6, 2026
Save $3,389 USD (52%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $6,802 USD at NZ Jewellers · As of September 19, 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 top-tier cut grade and certified by GIA 6525141139. Listed at 27 retailers as of November 2, 2026, with a 108% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6525141139
Dimensions6.41 × 6.38 × 3.97 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.41 mm6.38 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525141139
Side View
Table 56.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 6
Current: $3,906 USD|Low: $3,185 USD|High: $6,607 USD|Avg: $4,583 USD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$3,185 USD
Retailer 2$3,264 USD
Retailer 10$3,275 USD
Retailer 1$3,906 USD
Retailer 11$4,011 USD
Retailer 3$4,186 USD
Retailer 4$4,384 USD
Retailer 6$4,489 USD
Retailer 5$4,765 USD
Retailer 9$5,892 USD
Retailer 8$6,529 USD

41 data points across 11 retailers

27 retailers$3,140 USD to $6,529 USD

A
Cheapest Retailer
-
$3,140 USD
A
Retailer 2
-
$3,185 USD
View
B+
Retailer 3
-
$3,264 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,275 USD
View
B+
Retailer 5
-
$3,405 USD
View
Retailer 6
-
$3,537 USD
View
Price last confirmed 50 days ago
Retailer 7
-
$3,537 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$3,537 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$3,543 USD
View
Retailer 10
-
$3,673 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$3,850 USD
View
B+
Retailer 12
-
$3,850 USD
View
B+
Retailer 13
-
$3,906 USD
View
B+
Retailer 14
-
$3,980 USD
View
Retailer 15
-
$4,011 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$4,011 USD
View
Retailer 17
-
$4,081 USD
View
Price last confirmed 28 days ago
Retailer 18
-
$4,081 USD
View
Price last confirmed 45 days ago
Retailer 19
-
$4,186 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$4,384 USD
View
Retailer 21
-
$4,420 USD
View
Price last confirmed 22 days ago
B+
Retailer 22
-
$4,489 USD
View
B+
Retailer 23
-
$4,765 USD
View
Retailer 24
-
$5,892 USD
View
Price last confirmed 9 days ago
B
Retailer 25
-
$6,529 USD
View
Retailer 26
-
$6,802 USD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
37a89e36-efdf-4afa-ac96-8d390fc205f2 · Sep 19
$6,802 USD
View
Price last confirmed 47 days ago
26 more retailers have this diamond
Prices start from $3,140 USDSave up to $3,389 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
$3,140 USD