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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 £1,643 GBP
HK$17,200 HKD
As of October 30, 2026
Save £2,804 GBP (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,447 GBP 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 £1,643 to £4,447, a £2,804 spread on the same certified stone. NZ Jewellers lists it at £4,447. 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: £4,447 GBP|Low: £1,643 GBP|High: £4,447 GBP|Avg: £2,437 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 18
Retailer 19
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Retailer 22
Retailer 23
Retailer 24
October 30, 2026
Retailer 4£1,643 GBP
Retailer 18£1,677 GBP
Retailer 13£1,881 GBP
Retailer 7£1,887 GBP
Retailer 11£1,905 GBP
Retailer 3£1,963 GBP
Retailer 8£1,963 GBP
Retailer 2£2,096 GBP
Retailer 22£2,127 GBP
Retailer 24£2,127 GBP
Retailer 5£2,164 GBP
Retailer 23£2,208 GBP
Retailer 19£2,233 GBP
Retailer 20£2,260 GBP
Retailer 9£2,308 GBP
Retailer 17£2,433 GBP
Retailer 21£2,453 GBP
Retailer 10£2,454 GBP
Retailer 6£2,488 GBP
Retailer 12£2,773 GBP
Retailer 14£3,123 GBP
Retailer 15£3,211 GBP
Retailer 16£3,813 GBP
NZ Jewellers£4,447 GBP

25 data points across 24 retailers

24 retailers£1,643 GBP to £4,447 GBP

A
Cheapest Retailer
-
£1,643 GBP
HK$17,200 HKD
A
Retailer 2
-
£1,677 GBP
₹213,977 INR
View
A
Retailer 3
-
£1,881 GBP
$2,521 USD
View
A
Retailer 4
-
£1,887 GBP
SGD 3,416 SGD
View
A
Retailer 5
-
£1,905 GBP
$2,552 USD
View
A
Retailer 6
-
£1,963 GBP
$2,630 USD
View
Final sale: no returns
A
Retailer 7
-
£1,963 GBP
$2,630 USD
View
A
Retailer 8
-
£2,096 GBP
$2,809 USD
View
A
Retailer 9
-
£2,127 GBP
$2,850 USD
View
B+
Retailer 10
-
£2,127 GBP
$2,850 USD
View
B+
Retailer 11
-
£2,164 GBP
$2,900 USD
View
A
Retailer 12
-
£2,208 GBP
$2,959 USD
View
B+
Retailer 13
-
£2,233 GBP
$2,992 USD
View
A
Retailer 14
-
£2,260 GBP
View
B+
Retailer 15
-
£2,308 GBP
SGD 4,179 SGD
View
Retailer 16
-
£2,433 GBP
A$5,015 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
£2,453 GBP
€3,130 EUR
View
B+
Retailer 18
-
£2,454 GBP
$3,288 USD
View
B+
Retailer 19
-
£2,488 GBP
View
B+
Retailer 20
-
£2,773 GBP
ZAR 60,024 ZAR
View
B+
Retailer 21
-
£3,123 GBP
$4,184 USD
View
B
Retailer 22
-
£3,211 GBP
$4,302 USD
View
B
Retailer 23
-
£3,813 GBP
View
Most Expensive
B
NZ Jewellers
8e746f9b-09f5-4e50-81ab-44df82275715 · Oct 30
£4,447 GBP
$5,958 USD
View
23 more retailers have this diamond
Prices start from £1,643 GBPSave up to £2,804 GBP

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
£1,643 GBP