Radiant|Natural|GIA

0.83ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2457398628

Certificate GIA 2457398628

Diamond specifications and retailer prices

From $1,820 USD
As of October 30, 2026
Save $2,830 USD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,650 USD 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 $1,820 to $4,650, a $2,830 spread on the same certified stone. NZ Jewellers lists it at $4,650. 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
Color
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: Oct 30
Current: $4,650 USD|Low: $1,820 USD|High: $4,650 USD|Avg: $2,667 USD
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$1,820 USD
Retailer 3$1,845 USD
Retailer 11$2,015 USD
Retailer 13$2,015 USD
Retailer 12$2,108 USD
Retailer 7$2,147 USD
Retailer 4$2,285 USD
Retailer 15$2,325 USD
Retailer 2$2,441 USD
Retailer 6$2,735 USD
Retailer 9$2,777 USD
Retailer 10$2,813 USD
Retailer 8$3,313 USD
Retailer 14$3,918 USD
NZ Jewellers$4,650 USD

31 data points across 15 retailers

17 retailers$1,820 USD to $4,650 USD

B+
Cheapest Retailer
-
$1,820 USD
B+
Retailer 2
-
$1,845 USD
View
B+
Retailer 3
-
$1,984 USD
View
B+
Retailer 4
-
$2,015 USD
View
B+
Retailer 5
-
$2,015 USD
View
B
Retailer 6
-
$2,076 USD
View
B
Retailer 7
-
$2,108 USD
View
B
Retailer 8
-
$2,147 USD
View
B
Retailer 9
-
$2,285 USD
View
B
Retailer 10
-
$2,325 USD
View
B
Retailer 11
-
$2,441 USD
£1,922 GBP
View
Retailer 12
-
$2,735 USD
A$4,208 AUD
View
Price last confirmed 25 days ago
B
Retailer 13
-
$2,777 USD
€2,645 EUR
View
B
Retailer 14
-
$2,813 USD
£2,215 GBP
View
B
Retailer 15
-
$3,313 USD
ZAR 53,519 ZAR
View
B
Retailer 16
-
$3,918 USD
£3,085 GBP
View
Most Expensive
B
NZ Jewellers
87de0d4c-219a-4859-b998-2ce1d0763371 · Oct 30
$4,650 USD
View
16 more retailers have this diamond
Prices start from $1,820 USDSave up to $2,830 USD

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
$1,820 USD