Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1156397254

Certificate GIA 1156397254

Diamond specifications and retailer prices

From $5,230 USD
As of November 1, 2026
Save $4,778 USD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,394 USD at NZ Jewellers · As of November 5, 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 1156397254. Listed at 19 retailers as of November 1, 2026, with a 91% 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1156397254
Dimensions6.45 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.45 mm6.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1156397254
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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: Nov 1
Current: $11,394 USD|Low: $4,747 USD|High: $11,394 USD|Avg: $7,203 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$5,230 USD
Retailer 6$5,697 USD
Retailer 7$6,172 USD
Retailer 9$6,172 USD
Retailer 10$6,172 USD
Retailer 2$6,426 USD
Retailer 3$6,988 USD
Retailer 8$7,121 USD
Retailer 4$10,008 USD
NZ Jewellers$11,394 USD

42 data points across 10 retailers

19 retailers$5,230 USD to $10,008 USD

B
Cheapest Retailer
-
$5,230 USD
B
Retailer 2
-
$5,232 USD
View
B
Retailer 3
-
$5,383 USD
View
B
Retailer 4
-
$5,697 USD
View
Final sale: no returns
B
Retailer 5
-
$5,745 USD
View
Retailer 6
-
$6,172 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$6,172 USD
View
B
Retailer 8
-
$6,172 USD
View
B
Retailer 9
-
$6,426 USD
View
B
Retailer 10
-
$6,733 USD
View
B
Retailer 11
-
$6,870 USD
View
B
Retailer 12
-
$6,870 USD
View
B
Retailer 13
-
$6,988 USD
View
B
Retailer 14
-
$7,100 USD
View
B
Retailer 15
-
$7,121 USD
View
Retailer 16
-
$7,509 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$10,008 USD
View
Retailer 18
-
$11,069 USD
View
Price under review
Most Expensive
NZ Jewellers
8ed12017-f089-4478-9b1f-27566ee2d8fe · Nov 5
$11,394 USD
View
Price under review
18 more retailers have this diamond
Prices start from $5,230 USDSave up to $4,778 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
$5,230 USD