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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2497631263

Certificate GIA 2497631263

Diamond specifications and retailer prices

From £1,423 GBP
HK$14,900 HKD
As of October 27, 2026
Save £2,764 GBP (66%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,187 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 2497631263. Listed at 25 retailers as of October 27, 2026, with prices from £1,423 to £4,187, a £2,764 spread on the same certified stone. Diamond Quarter lists it at £4,187. 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
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497631263
Dimensions6.24 × 6.15 × 4.05 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.24 mm6.15 mm1.01 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2497631263
Side View
Table 57.0%Crown 38°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 65.3%

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 27
Current: £1,661 GBP|Low: £1,423 GBP|High: £3,818 GBP|Avg: £2,007 GBP|-2.2%
Retailer 1
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
October 28, 2026
Retailer 12£1,423 GBP
Retailer 18£1,448 GBP
Retailer 8£1,616 GBP
Retailer 16£1,629 GBP
Retailer 5£1,649 GBP
Retailer 1£1,661 GBP
Retailer 17£1,685 GBP
Retailer 3£1,763 GBP
Retailer 15£1,881 GBP
Retailer 10£1,884 GBP
Retailer 4£1,928 GBP
Retailer 19£1,993 GBP
Retailer 13£2,102 GBP
Retailer 2£2,107 GBP
Retailer 14£2,241 GBP
Retailer 6£2,285 GBP
Retailer 7£2,697 GBP
Retailer 9£2,773 GBP
Retailer 11£3,292 GBP
Retailer 20£3,818 GBP

23 data points across 20 retailers

25 retailers£1,423 GBP to £4,187 GBP

A
Cheapest Retailer
-
£1,423 GBP
HK$14,900 HKD
A
Retailer 2
-
£1,448 GBP
₹184,795 INR
View
A
Retailer 3
-
£1,616 GBP
$2,165 USD
View
A
Retailer 4
-
£1,629 GBP
SGD 2,950 SGD
View
A
Retailer 5
-
£1,649 GBP
$2,210 USD
View
A
Retailer 6
-
£1,661 GBP
$2,225 USD
View
A
Retailer 7
-
£1,763 GBP
View
A
Retailer 8
-
£1,876 GBP
$2,514 USD
View
A
Retailer 9
-
£1,876 GBP
$2,514 USD
View
A
Retailer 10
-
£1,881 GBP
$2,520 USD
View
A
Retailer 11
-
£1,884 GBP
$2,524 USD
View
A
Retailer 12
-
£1,928 GBP
View
A
Retailer 13
-
£1,963 GBP
$2,630 USD
View
A
Retailer 14
-
£1,981 GBP
$2,654 USD
View
A
Retailer 15
-
£1,993 GBP
SGD 3,609 SGD
View
A
Retailer 16
-
£2,082 GBP
$2,790 USD
View
Retailer 17
-
£2,102 GBP
A$4,334 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
£2,107 GBP
$2,823 USD
View
A
Retailer 19
-
£2,241 GBP
€2,860 EUR
View
B+
Retailer 20
-
£2,285 GBP
ZAR 49,454 ZAR
View
B+
Retailer 21
-
£2,697 GBP
$3,614 USD
View
B+
Retailer 22
-
£2,773 GBP
$3,715 USD
View
B+
Retailer 23
-
£3,292 GBP
View
B
Retailer 24
-
£3,818 GBP
$5,116 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1E2463C867N · Oct 29
£4,187 GBP
View
24 more retailers have this diamond
Prices start from £1,423 GBPSave up to £2,764 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
£1,423 GBP