Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6512873962

Certificate GIA 6512873962

Diamond specifications and retailer prices

From £1,569 GBP
As of November 4, 2026
Save £1,989 GBP (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,257 GBP at NZ Jewellers · As of September 28, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512873962. Listed at 20 retailers as of November 4, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512873962
Dimensions6.40 × 6.35 × 4.02 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
6.40 mm6.35 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512873962
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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: Nov 4
Current: £2,175 GBP|Low: £1,569 GBP|High: £3,684 GBP|Avg: £2,329 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£1,569 GBP
Retailer 4£1,632 GBP
Retailer 5£1,824 GBP
Retailer 10£1,880 GBP
Retailer 2£1,883 GBP
Retailer 6£2,142 GBP
Retailer 1£2,175 GBP
Retailer 3£2,365 GBP
Retailer 7£3,558 GBP
Retailer 9£3,670 GBP

34 data points across 10 retailers

20 retailers£1,569 GBP to £3,558 GBP

A
Cheapest Retailer
-
£1,569 GBP
A
Retailer 2
-
£1,632 GBP
View
A
Retailer 3
-
£1,824 GBP
View
A
Retailer 4
-
£1,880 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,883 GBP
View
A
Retailer 6
-
£1,936 GBP
View
Retailer 7
-
£2,037 GBP
View
Price last confirmed 39 days ago
Retailer 8
-
£2,037 GBP
View
Price last confirmed 29 days ago
A
Retailer 9
-
£2,066 GBP
View
A
Retailer 10
-
£2,080 GBP
View
Retailer 11
-
£2,115 GBP
View
Price last confirmed 38 days ago
A
Retailer 12
-
£2,141 GBP
View
A
Retailer 13
-
£2,142 GBP
View
A
Retailer 14
-
£2,175 GBP
View
Retailer 15
-
£2,349 GBP
View
Price last confirmed 38 days ago
B+
Retailer 16
-
£2,365 GBP
View
B
Retailer 17
-
£3,558 GBP
View
Retailer 18
-
£3,670 GBP
View
Price last confirmed 9 days ago
Retailer 19
-
£4,257 GBP
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
1999aaa4-a53a-4f7a-96b6-cbade5087583 · Sep 28
£4,257 GBP
$5,730 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from £1,569 GBPSave up to £1,989 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
£1,569 GBP