Round|Natural|IGI

1.01ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 743558957

Shape and cutting style on the report: Round brilliant

Certificate IGI 743558957

Diamond specifications and retailer prices

From £408 GBP
As of November 5, 2026
Save £366 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £774 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 IGI 743558957. Listed at 8 retailers as of November 5, 2026, with prices from £408 to £774, a £366 spread on the same certified stone. Reve Diamonds lists it at £774. 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 angle32.8°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 743558957
Dimensions6.44 × 6.46 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT Faint Brown
Top View
6.44 mm6.46 mm1.01 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743558957
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.5%

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 5
Current: £663 GBP|Low: £408 GBP|High: £774 GBP|Avg: £615 GBP|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Reve Diamonds
November 6, 2026
Retailer 2£408 GBP
Retailer 6£490 GBP
Retailer 4£623 GBP
Retailer 5£661 GBP
Retailer 1£663 GBP
Retailer 7£687 GBP
Retailer 3£704 GBP
Reve Diamonds£774 GBP

38 data points across 8 retailers

8 retailers£408 GBP to £774 GBP

A
Cheapest Retailer
-
£408 GBP
A
Retailer 2
-
£490 GBP
View
B+
Retailer 3
-
£623 GBP
View
Final sale: no returns
A
Retailer 4
-
£661 GBP
View
B+
Retailer 5
-
£663 GBP
View
B+
Retailer 6
-
£687 GBP
View
B+
Retailer 7
-
£704 GBP
View
Most Expensive
B+
Reve Diamonds
EEB580AB1 · Nov 6
£774 GBP
$1,041 USD
View
7 more retailers have this diamond
Prices start from £408 GBPSave up to £366 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
£408 GBP