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Radiant|Natural|GIA

0.81ct I SI2 Radiant Natural Diamond

I/SI2 • GIA 2568025201

Certificate GIA 2568025201

Diamond specifications and retailer prices

From $1,518 AUD
$1,066 USD
As of November 1, 2026
Save $2,182 AUD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,700 AUD 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 SI2 clarity (slightly-included) and certified by GIA 2568025201. Listed at 5 retailers as of October 30, 2026, with prices from $1,518 to $3,700, a $2,182 spread on the same certified stone. NZ Jewellers lists it at $3,700. 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
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2568025201
Dimensions6.36 × 4.58 × 3.16 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
6.36 mm4.58 mm0.81 ctI / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2568025201
Side View
Table 61.0%CrownGirdle: ETK-ETKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $3,700 AUD|Low: $1,518 AUD|High: $3,700 AUD|Avg: $2,363 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$1,518 AUD
Retailer 4$1,576 AUD
Retailer 2$2,013 AUD
Retailer 3$2,779 AUD
NZ Jewellers$3,700 AUD

12 data points across 5 retailers

5 retailers$1,518 AUD to $3,700 AUD

B+
Cheapest Retailer
-
$1,518 AUD
$1,066 USD
B+
Retailer 2
-
$1,576 AUD
$1,107 USD
View
B+
Retailer 3
-
$2,013 AUD
£1,114 GBP
View
B
Retailer 4
-
$2,779 AUD
£1,537 GBP
View
Most Expensive
C
NZ Jewellers
03115e57-e944-495a-a065-d2e2e5161458 · Oct 30
$3,700 AUD
$2,599 USD
View
4 more retailers have this diamond
Prices start from $1,518 AUDSave up to $2,182 AUD

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
$1,518 AUD