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Radiant|Natural|GIA

0.81ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 2477454934

Certificate GIA 2477454934

Diamond specifications and retailer prices

From £910 GBP
$1,219 USD
As of November 2, 2026
Save £1,496 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,406 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477454934. Listed at 13 retailers as of October 30, 2026, with prices from £910 to £2,406, a £1,496 spread on the same certified stone. NZ Jewellers lists it at £2,406. 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
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477454934
Dimensions5.71 × 4.68 × 3.29 mm
L/W Ratio1.22
Top View
5.71 mm4.68 mm0.81 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2477454934
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,406 GBP|Low: £910 GBP|High: £2,406 GBP|Avg: £1,239 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 4£910 GBP
Retailer 6£914 GBP
Retailer 3£952 GBP
Retailer 11£987 GBP
Retailer 13£987 GBP
Retailer 14£1,032 GBP
Retailer 5£1,058 GBP
Retailer 7£1,127 GBP
Retailer 12£1,138 GBP
Retailer 2£1,244 GBP
Retailer 9£1,376 GBP
Retailer 10£1,459 GBP
Retailer 8£1,807 GBP
NZ Jewellers£2,406 GBP

21 data points across 14 retailers

13 retailers£910 GBP to £2,406 GBP

A
Cheapest Retailer
-
£910 GBP
$1,219 USD
Final sale: no returns
A
Retailer 2
-
£952 GBP
$1,275 USD
View
B+
Retailer 3
-
£987 GBP
$1,322 USD
View
B+
Retailer 4
-
£987 GBP
$1,322 USD
View
B+
Retailer 5
-
£1,032 GBP
$1,383 USD
View
B+
Retailer 6
-
£1,098 GBP
€1,401 EUR
View
B+
Retailer 7
-
£1,127 GBP
View
B+
Retailer 8
-
£1,138 GBP
$1,525 USD
View
B+
Retailer 9
-
£1,244 GBP
View
B+
Retailer 10
-
£1,376 GBP
€1,756 EUR
View
B+
Retailer 11
-
£1,459 GBP
ZAR 31,586 ZAR
View
B
Retailer 12
-
£1,807 GBP
View
Most Expensive
B
NZ Jewellers
3caa7b0d-4bb0-44a6-946c-3c07eed31b8a · Oct 30
£2,406 GBP
$3,224 USD
View
12 more retailers have this diamond
Prices start from £910 GBPSave up to £1,496 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 Radiant
£910 GBP