Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542853858

Certificate GIA 6542853858

Diamond specifications and retailer prices

From £1,635 GBP
As of November 2, 2026
Save £2,069 GBP (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,079 GBP at NZ Jewellers · As of September 25, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542853858. Listed at 9 retailers as of November 2, 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542853858
Dimensions6.48 × 6.51 × 3.96 mm
L/W Ratio1.00
Top View
6.48 mm6.51 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542853858
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.9%

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 2
Current: £3,705 GBP|Low: £1,635 GBP|High: £3,915 GBP|Avg: £2,406 GBP|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£1,635 GBP
Retailer 8£1,801 GBP
Retailer 3£1,936 GBP
Retailer 5£2,017 GBP
Retailer 6£2,297 GBP
Retailer 4£2,595 GBP
Retailer 7£3,433 GBP
Retailer 1£3,705 GBP

33 data points across 8 retailers

9 retailers£1,635 GBP to £3,705 GBP

A
Cheapest Retailer
-
£1,635 GBP
Retailer 2
-
£1,936 GBP
View
Price last confirmed 5 days ago
A
Retailer 3
-
£2,017 GBP
View
Retailer 4
-
£2,297 GBP
View
Price last confirmed 11 days ago
Retailer 5
-
£2,316 GBP
View
Price last confirmed 43 days ago
B+
Retailer 6
-
£2,595 GBP
View
Retailer 7
-
£3,433 GBP
View
Price last confirmed 16 days ago
B
Retailer 8
-
£3,705 GBP
View
Most Expensive
NZ Jewellers
676a5d2b-4746-406b-b738-03be645d6a96 · Sep 25
£4,079 GBP
$5,490 USD
View
Price last confirmed 41 days ago
8 more retailers have this diamond
Prices start from £1,635 GBPSave up to £2,069 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
£1,635 GBP