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Round|Natural|GIA

1.01ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2566681663

Certificate GIA 2566681663

Diamond specifications and retailer prices

From £808 GBP
As of November 4, 2026
Save £1,834 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,642 GBP at NZ Jewellers · As of November 2, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566681663. Listed at 15 retailers as of November 2, 2026, with prices from £808 to £2,642, a £1,834 spread on the same certified stone. NZ Jewellers lists it at £2,642. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566681663
Dimensions6.44 × 6.46 × 3.98 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
6.44 mm6.46 mm1.01 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566681663
Side View
Table 57.0%Crown 33.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £2,642 GBP|Low: £799 GBP|High: £2,642 GBP|Avg: £1,217 GBP
NZ Jewellers
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
November 3, 2026
Retailer 14£808 GBP
Retailer 5£950 GBP
Retailer 12£962 GBP
Retailer 6£1,004 GBP
Retailer 11£1,071 GBP
Retailer 2£1,083 GBP
Retailer 4£1,083 GBP
Retailer 7£1,088 GBP
Retailer 9£1,133 GBP
Retailer 3£1,184 GBP
Retailer 15£1,199 GBP
Retailer 8£1,201 GBP
Retailer 10£1,250 GBP
Retailer 13£1,502 GBP
NZ Jewellers£2,642 GBP

9 data points across 15 retailers

15 retailers£808 GBP to £2,642 GBP

A
Cheapest Retailer
-
£808 GBP
B+
Retailer 2
-
£950 GBP
View
B+
Retailer 3
-
£962 GBP
View
B+
Retailer 4
-
£1,004 GBP
View
B+
Retailer 5
-
£1,071 GBP
View
Retailer 6
-
£1,083 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£1,083 GBP
View
B+
Retailer 8
-
£1,088 GBP
View
B+
Retailer 9
-
£1,133 GBP
View
B+
Retailer 10
-
£1,184 GBP
View
B+
Retailer 11
-
£1,199 GBP
View
B+
Retailer 12
-
£1,201 GBP
View
B+
Retailer 13
-
£1,250 GBP
View
B
Retailer 14
-
£1,502 GBP
View
Most Expensive
C
NZ Jewellers
3cb0290d-1a57-49e9-8717-6669845523ae · Nov 2
£2,642 GBP
$3,556 USD
View
14 more retailers have this diamond
Prices start from £808 GBPSave up to £1,834 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
£808 GBP