Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6492554464

Certificate GIA 6492554464

Diamond specifications and retailer prices

From £2,068 GBP
$2,771 USD
As of October 30, 2026
Save £3,646 GBP (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,714 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 top-tier cut grade and certified by GIA 6492554464. Listed at 24 retailers as of October 29, 2026, with prices from £2,068 to £5,714, a £3,646 spread on the same certified stone. Diamond Quarter lists it at £5,714. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492554464
Dimensions6.40 × 6.36 × 3.96 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.36 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492554464
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: £2,068 GBP|Low: £2,068 GBP|High: £4,770 GBP|Avg: £2,806 GBP|-1.4%
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
October 30, 2026
Retailer 1£2,068 GBP
Retailer 18£2,259 GBP
Retailer 17£2,317 GBP
Retailer 2£2,330 GBP
Retailer 7£2,348 GBP
Retailer 5£2,455 GBP
Retailer 3£2,552 GBP
Retailer 12£2,718 GBP
Retailer 4£2,866 GBP
Retailer 8£2,866 GBP
Retailer 11£2,917 GBP
Retailer 15£2,963 GBP
Retailer 6£2,973 GBP
Retailer 10£3,019 GBP
Retailer 9£3,180 GBP
Retailer 16£3,237 GBP
Retailer 14£3,420 GBP
Retailer 13£4,722 GBP

30 data points across 18 retailers

24 retailers£2,068 GBP to £5,714 GBP

A
Cheapest Retailer
-
£2,068 GBP
$2,771 USD
A
Retailer 2
-
£2,259 GBP
$3,027 USD
View
Retailer 3
-
£2,317 GBP
$3,105 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
£2,330 GBP
$3,122 USD
View
A
Retailer 5
-
£2,348 GBP
$3,146 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,455 GBP
$3,290 USD
View
Retailer 7
-
£2,544 GBP
$3,409 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£2,552 GBP
$3,420 USD
View
Retailer 9
-
£2,553 GBP
$3,421 USD
View
Price last confirmed 43 days ago
B+
Retailer 10
-
£2,718 GBP
View
B+
Retailer 11
-
£2,866 GBP
$3,840 USD
View
B+
Retailer 12
-
£2,866 GBP
$3,840 USD
View
B+
Retailer 13
-
£2,917 GBP
View
Retailer 14
-
£2,947 GBP
$3,948 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
£2,963 GBP
$3,970 USD
View
B+
Retailer 16
-
£2,973 GBP
$3,984 USD
View
Retailer 17
-
£3,019 GBP
A$6,224 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
£3,180 GBP
$4,261 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£3,237 GBP
View
B+
Retailer 20
-
£3,420 GBP
ZAR 74,028 ZAR
View
B
Retailer 21
-
£4,722 GBP
View
Retailer 22
-
£4,893 GBP
$6,556 USD
View
Price last confirmed 13 days ago
Retailer 23
-
£4,911 GBP
$6,580 USD
View
Price last confirmed 42 days ago
Most Expensive
B
Diamond Quarter
1.01SI1E6464056EN · Oct 29
£5,714 GBP
View
23 more retailers have this diamond
Prices start from £2,068 GBPSave up to £3,646 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
£2,068 GBP