Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516595059

Certificate GIA 2516595059

Diamond specifications and retailer prices

From $1,779 USD
As of November 4, 2026
Save $2,277 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,853 USD at NZ Jewellers · As of October 17, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516595059. Listed at 18 retailers as of November 4, 2026, with a 128% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516595059
Dimensions6.53 × 6.47 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.53 mm6.47 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2516595059
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: $2,475 USD|Low: $1,779 USD|High: $4,116 USD|Avg: $2,459 USD
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 11$1,779 USD
Retailer 5$1,866 USD
Retailer 4$2,036 USD
Retailer 6$2,075 USD
Retailer 3$2,142 USD
Retailer 10$2,165 USD
Retailer 2$2,190 USD
Retailer 1$2,475 USD
Retailer 8$2,508 USD
Retailer 7$2,880 USD
Retailer 9$4,056 USD

28 data points across 11 retailers

18 retailers$1,779 USD to $4,056 USD

A
Cheapest Retailer
-
$1,779 USD
A
Retailer 2
-
$1,866 USD
View
A
Retailer 3
-
$2,036 USD
View
A
Retailer 4
-
$2,075 USD
View
A
Retailer 5
-
$2,142 USD
View
Final sale: no returns
A
Retailer 6
-
$2,165 USD
View
A
Retailer 7
-
$2,190 USD
View
A
Retailer 8
-
$2,223 USD
View
Retailer 9
-
$2,321 USD
View
Price last confirmed 21 days ago
Retailer 10
-
$2,321 USD
View
Price last confirmed 17 days ago
A
Retailer 11
-
$2,390 USD
View
Retailer 12
-
$2,428 USD
View
Price last confirmed 22 days ago
A
Retailer 13
-
$2,475 USD
View
A
Retailer 14
-
$2,508 USD
View
Retailer 15
-
$2,678 USD
View
Price last confirmed 19 days ago
A
Retailer 16
-
$2,880 USD
View
B
Retailer 17
-
$4,056 USD
View
Most Expensive
NZ Jewellers
14b96735-5840-4dde-8432-30cea7101ad0 · Oct 17
$4,853 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from $1,779 USDSave up to $2,277 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
$1,779 USD