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Radiant|Natural|GIA

0.83ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2457398628

Certificate GIA 2457398628

Diamond specifications and retailer prices

From $2,597 AUD
$1,820 USD
As of November 1, 2026
Save $4,038 AUD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,635 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.83ct natural radiant diamond

This 0.83ct 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 2457398628. Listed at 17 retailers as of October 30, 2026, with prices from $2,597 to $6,635, a $4,038 spread on the same certified stone. NZ Jewellers lists it at $6,635. 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

0.83
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2457398628
Dimensions6.48 × 4.89 × 3.28 mm
L/W Ratio1.33
Top View
6.48 mm4.89 mm0.83 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2457398628
Side View
Table 69.0%CrownGirdle: Very ThinPavilionCulet: NoneDepth 67.1%

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: $6,635 AUD|Low: $2,597 AUD|High: $6,635 AUD|Avg: $3,818 AUD
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
Retailer 15
November 1, 2026
Retailer 5$2,597 AUD
Retailer 3$2,633 AUD
Retailer 12$2,875 AUD
Retailer 14$2,875 AUD
Retailer 13$3,008 AUD
Retailer 7$3,064 AUD
Retailer 4$3,260 AUD
Retailer 15$3,318 AUD
Retailer 9$3,483 AUD
Retailer 6$3,903 AUD
Retailer 11$3,963 AUD
Retailer 2$4,001 AUD
Retailer 10$4,727 AUD
Retailer 8$5,560 AUD
NZ Jewellers$6,635 AUD

30 data points across 15 retailers

17 retailers$2,597 AUD to $6,635 AUD

B+
Cheapest Retailer
-
$2,597 AUD
$1,820 USD
B+
Retailer 2
-
$2,633 AUD
$1,845 USD
View
B+
Retailer 3
-
$2,831 AUD
$1,984 USD
View
B+
Retailer 4
-
$2,875 AUD
$2,015 USD
View
B+
Retailer 5
-
$2,875 AUD
$2,015 USD
View
B
Retailer 6
-
$2,962 AUD
$2,076 USD
View
B
Retailer 7
-
$3,008 AUD
$2,108 USD
View
B
Retailer 8
-
$3,064 AUD
$2,147 USD
View
B
Retailer 9
-
$3,260 AUD
$2,285 USD
View
B
Retailer 10
-
$3,318 AUD
$2,325 USD
View
B
Retailer 11
-
$3,483 AUD
£1,922 GBP
View
Retailer 12
-
$3,903 AUD
View
Price last confirmed 26 days ago
B
Retailer 13
-
$3,963 AUD
€2,645 EUR
View
B
Retailer 14
-
$4,001 AUD
£2,208 GBP
View
B
Retailer 15
-
$4,727 AUD
ZAR 53,519 ZAR
View
B
Retailer 16
-
$5,560 AUD
£3,068 GBP
View
Most Expensive
B
NZ Jewellers
87de0d4c-219a-4859-b998-2ce1d0763371 · Oct 30
$6,635 AUD
$4,650 USD
View
16 more retailers have this diamond
Prices start from $2,597 AUDSave up to $4,038 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+
0.83ct Radiant
$2,597 AUD