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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

ID • E/SI1 • GIA 56

Certificate GIA 56

Diamond specifications and retailer prices

From $3,078 SGD
As of November 4, 2026
Save $7,346 SGD (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,650 SGD 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,903 SGD|Low: $3,187 SGD|High: $10,424 SGD|Avg: $5,201 SGD|-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$3,200 SGD
Retailer 2$3,216 SGD
Retailer 8$3,290 SGD
Retailer 7$3,382 SGD
Retailer 6$3,513 SGD
Aurelinne$3,903 SGD
Retailer 9$4,583 SGD
Retailer 4$5,532 SGD
Retailer 5$7,072 SGD
Retailer 10$10,424 SGD

26 data points across 10 retailers

20 retailers$3,078 SGD to $10,424 SGD

A
Cheapest Retailer
-
$3,078 SGD
A
Retailer 2
-
$3,200 SGD
View
A
Retailer 3
-
$3,216 SGD
View
A
Retailer 4
-
$3,290 SGD
View
A
Retailer 5
-
$3,382 SGD
View
A
Retailer 6
-
$3,513 SGD
View
A
Retailer 7
-
$3,903 SGD
View
Retailer 8
-
$4,177 SGD
View
Price last confirmed 30 days ago
Retailer 9
-
$4,583 SGD
View
Price last confirmed 60 days ago
Retailer 10
-
$4,583 SGD
View
Price last confirmed 23 days ago
Retailer 11
-
$5,289 SGD
View
Price last confirmed 60 days ago
Retailer 12
-
$5,289 SGD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$5,532 SGD
View
B
Retailer 14
-
$7,072 SGD
View
Retailer 15
-
$7,986 SGD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$8,246 SGD
View
B
Retailer 17
-
$8,951 SGD
View
Retailer 18
-
$10,097 SGD
View
Price last confirmed 60 days ago
B
Retailer 19
-
$10,424 SGD
View
Most Expensive
Aurelinne
4223806a-9c63-426d-bce4-c8fafefb5b04 · Sep 7
$11,650 SGD
$9,121 USD
View
Price last confirmed 60 days ago
19 more retailers have this diamond
Prices start from $3,078 SGDSave up to $7,346 SGD

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
$3,078 SGD