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Radiant|Natural|GIA

0.81ct J SI1 Radiant Natural Diamond

J/SI1 • GIA 6432008336

Certificate GIA 6432008336

Diamond specifications and retailer prices

From £823 GBP
€1,050 EUR
As of October 31, 2026
Save £320 GBP (28%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,143 GBP at Belgium Diamonds · As of October 29, 2026
View at Belgium Diamonds

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6432008336. Listed at 2 retailers as of October 29, 2026, with prices from £823 to £1,143, a £320 spread on the same certified stone. Belgium Diamonds lists it at £1,143. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432008336
Dimensions5.92 × 4.70 × 3.53 mm
L/W Ratio1.26
Top View
5.92 mm4.70 mm0.81 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6432008336
Side View
Table 63.0%CrownGirdlePavilionCuletDepth 75.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £1,143 GBP|Low: £805 GBP|High: £1,143 GBP|Avg: £980 GBP
Belgium Diamonds
Retailer 2
October 31, 2026
Retailer 2£823 GBP
Belgium Diamonds£1,143 GBP

11 data points across 2 retailers

2 retailers£823 GBP to £1,143 GBP

B+
Cheapest Retailer
-
£823 GBP
€1,050 EUR
Most Expensive
C
Belgium Diamonds
377327094 · Oct 29
£1,143 GBP
€1,458 EUR
View
1 more retailer has this diamond
Prices start from £823 GBPSave up to £320 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 Radiant
£823 GBP