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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2557549221

Certificate GIA 2557549221

Diamond specifications and retailer prices

From $2,815 SGD
HK$17,200 HKD
As of October 30, 2026
Save $4,802 SGD (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,617 SGD at NZ Jewellers · As of October 30, 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 very-good cut grade and certified by GIA 2557549221. Listed at 24 retailers as of October 30, 2026, with prices from $2,815 to $7,617, a $4,802 spread on the same certified stone. NZ Jewellers lists it at $7,617. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557549221
Dimensions6.19 × 6.25 × 4.04 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.19 mm6.25 mm1.01 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557549221
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.9%

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 30
Current: $7,617 SGD|Low: $2,815 SGD|High: $7,617 SGD|Avg: $4,171 SGD
NZ Jewellers
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 4$2,815 SGD
Retailer 19$2,872 SGD
Retailer 18$3,223 SGD
Retailer 7$3,232 SGD
Retailer 11$3,262 SGD
Retailer 8$3,362 SGD
Retailer 2$3,567 SGD
Retailer 13$3,591 SGD
Retailer 3$3,643 SGD
Retailer 23$3,643 SGD
Retailer 5$3,707 SGD
Retailer 24$3,783 SGD
Retailer 20$3,825 SGD
Retailer 21$3,871 SGD
Retailer 9$3,953 SGD
Retailer 17$4,167 SGD
Retailer 22$4,201 SGD
Retailer 10$4,203 SGD
Retailer 6$4,262 SGD
Retailer 12$4,750 SGD
Retailer 14$5,349 SGD
Retailer 15$5,499 SGD
Retailer 16$6,532 SGD
NZ Jewellers$7,617 SGD

26 data points across 24 retailers

24 retailers$2,815 SGD to $7,617 SGD

A
Cheapest Retailer
-
$2,815 SGD
HK$17,200 HKD
A
Retailer 2
-
$2,872 SGD
₹213,977 INR
View
A
Retailer 3
-
$3,223 SGD
$2,521 USD
View
A
Retailer 4
-
$3,232 SGD
View
A
Retailer 5
-
$3,262 SGD
$2,552 USD
View
A
Retailer 6
-
$3,362 SGD
$2,630 USD
View
Final sale: no returns
A
Retailer 7
-
$3,567 SGD
$2,790 USD
View
A
Retailer 8
-
$3,591 SGD
$2,809 USD
View
A
Retailer 9
-
$3,643 SGD
$2,850 USD
View
B+
Retailer 10
-
$3,643 SGD
$2,850 USD
View
B+
Retailer 11
-
$3,707 SGD
$2,900 USD
View
A
Retailer 12
-
$3,783 SGD
$2,959 USD
View
B+
Retailer 13
-
$3,825 SGD
$2,992 USD
View
A
Retailer 14
-
$3,871 SGD
£2,385 GBP
View
B+
Retailer 15
-
$3,953 SGD
View
Retailer 16
-
$4,167 SGD
A$5,015 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$4,201 SGD
€3,130 EUR
View
B+
Retailer 18
-
$4,203 SGD
$3,288 USD
View
B+
Retailer 19
-
$4,262 SGD
£2,625 GBP
View
B+
Retailer 20
-
$4,750 SGD
ZAR 60,024 ZAR
View
B+
Retailer 21
-
$5,349 SGD
$4,184 USD
View
B
Retailer 22
-
$5,499 SGD
$4,302 USD
View
B
Retailer 23
-
$6,532 SGD
£4,023 GBP
View
Most Expensive
B
NZ Jewellers
8e746f9b-09f5-4e50-81ab-44df82275715 · Oct 30
$7,617 SGD
$5,958 USD
View
23 more retailers have this diamond
Prices start from $2,815 SGDSave up to $4,802 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
$2,815 SGD