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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2205449268

Certificate GIA 2205449268

Diamond specifications and retailer prices

From £2,473 GBP
$3,313 USD
As of October 26, 2026
Save £4,033 GBP (62%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,506 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 2205449268. Listed at 22 retailers as of October 26, 2026, with prices from £2,473 to £6,506, a £4,033 spread on the same certified stone. Diamond Quarter lists it at £6,506. 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
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2205449268
Dimensions6.53 × 6.50 × 3.91 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.53 mm6.50 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2205449268
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £3,482 GBP|Low: £2,372 GBP|High: £5,287 GBP|Avg: £3,397 GBP|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 8£2,473 GBP
Retailer 7£2,564 GBP
Retailer 5£2,742 GBP
Retailer 3£3,314 GBP
Retailer 1£3,482 GBP
Retailer 6£3,498 GBP
Retailer 2£3,994 GBP
Retailer 4£5,230 GBP

41 data points across 8 retailers

22 retailers£2,473 GBP to £6,506 GBP

B+
Cheapest Retailer
-
£2,473 GBP
$3,313 USD
B+
Retailer 2
-
£2,563 GBP
$3,434 USD
View
B+
Retailer 3
-
£2,614 GBP
$3,503 USD
View
B+
Retailer 4
-
£2,836 GBP
$3,800 USD
View
B+
Retailer 5
-
£2,964 GBP
$3,971 USD
View
B+
Retailer 6
-
£2,971 GBP
$3,981 USD
View
B+
Retailer 7
-
£2,971 GBP
$3,981 USD
View
B+
Retailer 8
-
£2,971 GBP
$3,981 USD
View
Retailer 9
-
£3,145 GBP
$4,214 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£3,314 GBP
View
B+
Retailer 11
-
£3,351 GBP
$4,490 USD
View
B+
Retailer 12
-
£3,351 GBP
$4,490 USD
View
B+
Retailer 13
-
£3,429 GBP
$4,594 USD
View
B+
Retailer 14
-
£3,482 GBP
€4,443 EUR
View
Retailer 15
-
£3,498 GBP
A$7,211 AUD
View
Price last confirmed 21 days ago
Retailer 16
-
£3,709 GBP
$4,970 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£3,739 GBP
$5,010 USD
View
B
Retailer 18
-
£3,994 GBP
ZAR 86,447 ZAR
View
B
Retailer 19
-
£4,743 GBP
$6,355 USD
View
B
Retailer 20
-
£5,230 GBP
View
B
Retailer 21
-
£5,714 GBP
$7,656 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1E22680F3CN · Oct 29
£6,506 GBP
View
21 more retailers have this diamond
Prices start from £2,473 GBPSave up to £4,033 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
£2,473 GBP