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Radiant|Natural|GIA

1.02ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5186516272

Certificate GIA 5186516272

Diamond specifications and retailer prices

From $1,595 AUD
As of November 4, 2026
Save $1,761 AUD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,357 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic 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 5186516272. Listed at 9 retailers as of November 4, 2026, with prices from $1,595 to $3,357, a $1,761 spread on the same certified stone. MOH London lists it at $3,357. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5186516272
Dimensions6.31 × 5.03 × 3.55 mm
L/W Ratio1.25
Girdle conditionPolished
Culet sizeNone
Top View
6.31 mm5.03 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5186516272
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,357 AUD|Low: $1,595 AUD|High: $3,405 AUD|Avg: $2,195 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,595 AUD
Retailer 6$1,608 AUD
Retailer 5$1,665 AUD
Retailer 9$1,822 AUD
Retailer 4$2,077 AUD
Retailer 3$2,241 AUD
Retailer 7$2,401 AUD
Retailer 2$2,551 AUD
MOH London$3,357 AUD

37 data points across 9 retailers

9 retailers$1,595 AUD to $3,357 AUD

A
Cheapest Retailer
-
$1,595 AUD
Retailer 2
-
$1,608 AUD
View
Price last confirmed 10 days ago
Retailer 3
-
$1,665 AUD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$1,822 AUD
View
A
Retailer 5
-
$2,077 AUD
View
A
Retailer 6
-
$2,241 AUD
View
Retailer 7
-
$2,401 AUD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$2,551 AUD
View
Most Expensive
B+
MOH London
5336C7C66 · Nov 4
$3,357 AUD
£1,816 GBP
View
8 more retailers have this diamond
Prices start from $1,595 AUDSave up to $1,761 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.

A
1.02ct Radiant
$1,595 AUD