Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1132020656

Certificate GIA 1132020656

Diamond specifications and retailer prices

From £4,923 GBP
$6,596 USD
As of October 30, 2026
Save £2,033 GBP (29%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £10,146 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 1132020656. Listed at 25 retailers as of October 27, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1132020656
Dimensions6.49 × 6.40 × 3.98 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.49 mm6.40 mm1.01 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 1132020656
Side View
Table 61.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £6,161 GBP|Low: £4,637 GBP|High: £9,386 GBP|Avg: £6,564 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9£4,923 GBP
Retailer 7£5,008 GBP
Retailer 8£5,565 GBP
Retailer 10£6,028 GBP
Retailer 1£6,161 GBP
Retailer 5£6,309 GBP
Retailer 4£6,891 GBP
Retailer 2£7,327 GBP
Retailer 6£8,030 GBP
Retailer 3£9,323 GBP

42 data points across 10 retailers

25 retailers£4,923 GBP to £6,956 GBP

B
Cheapest Retailer
-
£4,923 GBP
$6,596 USD
Retailer 2
-
£5,008 GBP
$6,710 USD
View
Price last confirmed 9 days ago
B
Retailer 3
-
£5,036 GBP
$6,748 USD
View
B
Retailer 4
-
£5,210 GBP
$6,981 USD
View
B
Retailer 5
-
£5,348 GBP
$7,165 USD
View
B
Retailer 6
-
£5,502 GBP
CA$10,238 CAD
View
B
Retailer 7
-
£5,553 GBP
$7,440 USD
View
B
Retailer 8
-
£5,565 GBP
$7,456 USD
View
C
Retailer 9
-
£5,565 GBP
$7,456 USD
View
Final sale: no returns
B
Retailer 10
-
£5,662 GBP
$7,586 USD
View
B
Retailer 11
-
£6,028 GBP
$8,077 USD
View
B
Retailer 12
-
£6,121 GBP
$8,201 USD
View
B
Retailer 13
-
£6,161 GBP
View
Retailer 14
-
£6,309 GBP
A$13,006 AUD
View
Price last confirmed 7 days ago
B
Retailer 15
-
£6,602 GBP
$8,846 USD
View
B
Retailer 16
-
£6,627 GBP
$8,880 USD
View
B
Retailer 17
-
£6,627 GBP
$8,880 USD
View
B
Retailer 18
-
£6,844 GBP
$9,170 USD
View
B
Retailer 19
-
£6,891 GBP
€8,793 EUR
View
B
Retailer 20
-
£6,956 GBP
$9,320 USD
View
Retailer 21
-
£7,327 GBP
$9,818 USD
View
Price last confirmed 7 days ago
Retailer 22
-
£8,030 GBP
ZAR 173,820 ZAR
View
Price under review
Retailer 23
-
£9,323 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.01SI1E11566AC5N · Oct 29
£10,146 GBP
View
Price under review
23 more retailers have this diamond
Prices start from £4,923 GBPSave up to £2,033 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.

B
1.01ct Round
£4,923 GBP