Round|Natural|GIA

0.81ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6501748447

Shape and cutting style on the report: Round brilliant

Certificate GIA 6501748447

Diamond specifications and retailer prices

From £692 GBP
As of November 6, 2026
Save £178 GBP (20%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,878 GBP at NZ Jewellers · As of September 28, 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 GIA 6501748447. Listed at 9 retailers as of November 5, 2026, with a 26% 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

0.81
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6501748447
Dimensions5.92 × 5.95 × 3.71 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
5.92 mm5.95 mm0.81 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6501748447
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £692 GBP|Low: £676 GBP|High: £887 GBP|Avg: £793 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1£692 GBP
Retailer 4£713 GBP
Retailer 2£825 GBP
Retailer 3£870 GBP

43 data points across 4 retailers

9 retailers£692 GBP to £870 GBP

Retailer 1
-
£599 GBP
Price last confirmed 29 days ago
Retailer 2
-
£599 GBP
View
Price last confirmed 29 days ago
Retailer 3
-
£622 GBP
View
Price last confirmed 38 days ago
Retailer 4
-
£691 GBP
View
Price last confirmed 38 days ago
B+
Retailer 5
-
£692 GBP
View
B+
Retailer 6
-
£713 GBP
View
B+
Retailer 7
-
£825 GBP
View
B+
Retailer 8
-
£870 GBP
View
Most Expensive
NZ Jewellers
57d80364-7093-43ce-afb1-c331b698e274 · Sep 28
£1,878 GBP
$2,527 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from £692 GBPSave up to £178 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.

B+
0.81ct Round
£692 GBP