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0.81ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 841666185

Shape and cutting style on the report: Round brilliant

Certificate IGI 841666185

Diamond specifications and retailer prices

From £395 GBP
As of November 5, 2026
Save £844 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,239 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 841666185. Listed at 6 retailers as of November 5, 2026, with prices from £395 to £1,239, a £844 spread on the same certified stone. NZ Jewellers lists it at £1,239. 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

0.81
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 841666185
Dimensions5.99 × 6.02 × 3.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.99 mm6.02 mm0.81 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 841666185
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

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: £1,239 GBP|Low: £395 GBP|High: £1,305 GBP|Avg: £643 GBP|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£395 GBP
Retailer 4£426 GBP
Retailer 2£496 GBP
Retailer 3£553 GBP
Retailer 6£580 GBP
NZ Jewellers£1,239 GBP

31 data points across 6 retailers

6 retailers£395 GBP to £1,239 GBP

A
Cheapest Retailer
-
£395 GBP
A
Retailer 2
-
£426 GBP
View
A
Retailer 3
-
£496 GBP
View
A
Retailer 4
-
£553 GBP
View
B+
Retailer 5
-
£580 GBP
View
Most Expensive
B
NZ Jewellers
d915faa0-0787-46ee-b26e-bb55c3d6cb60 · Nov 5
£1,239 GBP
$1,668 USD
View
5 more retailers have this diamond
Prices start from £395 GBPSave up to £844 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
0.81ct Round
£395 GBP