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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 €1,623 EUR
$1,820 USD
As of November 1, 2026
Save €2,523 EUR (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,146 EUR 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 €1,623 to €4,146, a €2,523 spread on the same certified stone. NZ Jewellers lists it at €4,146. 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: €4,146 EUR|Low: €1,623 EUR|High: €4,146 EUR|Avg: €2,386 EUR
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€1,623 EUR
Retailer 3€1,645 EUR
Retailer 12€1,797 EUR
Retailer 14€1,797 EUR
Retailer 13€1,879 EUR
Retailer 7€1,914 EUR
Retailer 4€2,037 EUR
Retailer 15€2,073 EUR
Retailer 9€2,176 EUR
Retailer 6€2,439 EUR
Retailer 11€2,476 EUR
Retailer 2€2,500 EUR
Retailer 10€2,954 EUR
Retailer 8€3,474 EUR
NZ Jewellers€4,146 EUR

30 data points across 15 retailers

17 retailers€1,623 EUR to €4,146 EUR

B+
Cheapest Retailer
-
€1,623 EUR
$1,820 USD
B+
Retailer 2
-
€1,645 EUR
$1,845 USD
View
B+
Retailer 3
-
€1,769 EUR
$1,984 USD
View
B+
Retailer 4
-
€1,797 EUR
$2,015 USD
View
B+
Retailer 5
-
€1,797 EUR
$2,015 USD
View
B
Retailer 6
-
€1,851 EUR
$2,076 USD
View
B
Retailer 7
-
€1,879 EUR
$2,108 USD
View
B
Retailer 8
-
€1,914 EUR
$2,147 USD
View
B
Retailer 9
-
€2,037 EUR
$2,285 USD
View
B
Retailer 10
-
€2,073 EUR
$2,325 USD
View
B
Retailer 11
-
€2,176 EUR
£1,922 GBP
View
Retailer 12
-
€2,439 EUR
A$4,208 AUD
View
Price last confirmed 26 days ago
B
Retailer 13
-
€2,476 EUR
View
B
Retailer 14
-
€2,500 EUR
£2,208 GBP
View
B
Retailer 15
-
€2,954 EUR
ZAR 53,519 ZAR
View
B
Retailer 16
-
€3,474 EUR
£3,068 GBP
View
Most Expensive
B
NZ Jewellers
87de0d4c-219a-4859-b998-2ce1d0763371 · Oct 30
€4,146 EUR
$4,650 USD
View
16 more retailers have this diamond
Prices start from €1,623 EURSave up to €2,523 EUR

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
€1,623 EUR