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Round|Natural|GIA

0.81ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 1458338700

Certificate GIA 1458338700

Diamond specifications and retailer prices

From £616 GBP
As of November 4, 2026
Save £487 GBP (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,103 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 1458338700. Listed at 4 retailers as of November 4, 2026, with prices from £616 to £1,103, a £487 spread on the same certified stone. 77 Diamonds lists it at £1,103. 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 angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1458338700
Dimensions5.99 × 5.94 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.99 mm5.94 mm0.81 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1458338700
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

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 4
Current: £1,103 GBP|Low: £616 GBP|High: £1,246 GBP|Avg: £823 GBP|-9.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£616 GBP
Retailer 4£726 GBP
Retailer 2£770 GBP
77 Diamonds£1,103 GBP

40 data points across 4 retailers

4 retailers£616 GBP to £1,103 GBP

B+
Cheapest Retailer
-
£616 GBP
B+
Retailer 2
-
£726 GBP
View
B
Retailer 3
-
£770 GBP
View
Most Expensive
B
77 Diamonds
RBZ3F2FHT4T · Nov 6
£1,103 GBP
View
3 more retailers have this diamond
Prices start from £616 GBPSave up to £487 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
£616 GBP