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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 $3,229 NZD
$1,820 USD
As of November 1, 2026
Save $5,021 NZD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,250 NZD 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 $3,229 to $8,250, a $5,021 spread on the same certified stone. NZ Jewellers lists it at $8,250. 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: $8,250 NZD|Low: $3,229 NZD|High: $8,250 NZD|Avg: $4,748 NZD
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$3,229 NZD
Retailer 3$3,274 NZD
Retailer 12$3,575 NZD
Retailer 14$3,575 NZD
Retailer 13$3,740 NZD
Retailer 7$3,809 NZD
Retailer 4$4,054 NZD
Retailer 15$4,125 NZD
Retailer 9$4,331 NZD
Retailer 6$4,853 NZD
Retailer 11$4,928 NZD
Retailer 2$4,976 NZD
Retailer 10$5,878 NZD
Retailer 8$6,913 NZD
NZ Jewellers$8,250 NZD

30 data points across 15 retailers

17 retailers$3,229 NZD to $8,250 NZD

B+
Cheapest Retailer
-
$3,229 NZD
$1,820 USD
B+
Retailer 2
-
$3,274 NZD
$1,845 USD
View
B+
Retailer 3
-
$3,520 NZD
$1,984 USD
View
B+
Retailer 4
-
$3,575 NZD
$2,015 USD
View
B+
Retailer 5
-
$3,575 NZD
$2,015 USD
View
B
Retailer 6
-
$3,683 NZD
$2,076 USD
View
B
Retailer 7
-
$3,740 NZD
$2,108 USD
View
B
Retailer 8
-
$3,809 NZD
$2,147 USD
View
B
Retailer 9
-
$4,054 NZD
$2,285 USD
View
B
Retailer 10
-
$4,125 NZD
$2,325 USD
View
B
Retailer 11
-
$4,331 NZD
£1,922 GBP
View
Retailer 12
-
$4,853 NZD
A$4,208 AUD
View
Price last confirmed 26 days ago
B
Retailer 13
-
$4,928 NZD
€2,645 EUR
View
B
Retailer 14
-
$4,976 NZD
£2,208 GBP
View
B
Retailer 15
-
$5,878 NZD
ZAR 53,519 ZAR
View
B
Retailer 16
-
$6,913 NZD
£3,068 GBP
View
Most Expensive
B
NZ Jewellers
87de0d4c-219a-4859-b998-2ce1d0763371 · Oct 30
$8,250 NZD
$4,650 USD
View
16 more retailers have this diamond
Prices start from $3,229 NZDSave up to $5,021 NZD

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
$3,229 NZD