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Radiant|Natural|GIA

1.02ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 1559406456

Certificate GIA 1559406456

Diamond specifications and retailer prices

From $3,790 AUD
$2,656 USD
As of November 1, 2026
Save $3,943 AUD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,732 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded G 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 1559406456. Listed at 14 retailers as of October 30, 2026, with prices from $3,790 to $7,732, a $3,943 spread on the same certified stone. NZ Jewellers lists it at $7,732. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.66°
Pavilion angle35.59°
OriginNatural
Grading LabGIA
CertificateGIA 1559406456
Dimensions6.65 × 5.11 × 3.45 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Cloud, Crystal, Needle
Top View
6.65 mm5.11 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559406456
Side View
Table 68.0%Crown 49.66°Girdle: SLI-POLPavilion 35.59°Culet: NoneDepth 67.6%

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: $7,732 AUD|Low: $3,741 AUD|High: $7,732 AUD|Avg: $4,885 AUD|+1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$3,790 AUD
Retailer 12$3,938 AUD
Retailer 4$4,017 AUD
Retailer 10$4,157 AUD
Retailer 5$4,226 AUD
Retailer 9$4,316 AUD
Retailer 2$4,609 AUD
Retailer 7$4,638 AUD
Retailer 6$5,193 AUD
Retailer 11$5,455 AUD
Retailer 8$7,245 AUD
NZ Jewellers$7,732 AUD

23 data points across 12 retailers

14 retailers$3,790 AUD to $7,732 AUD

B+
Cheapest Retailer
-
$3,790 AUD
$2,656 USD
Retailer 2
-
$3,924 AUD
$2,750 USD
View
Price last confirmed 35 days ago
B+
Retailer 3
-
$3,938 AUD
$2,760 USD
View
B+
Retailer 4
-
$4,017 AUD
$2,815 USD
View
B+
Retailer 5
-
$4,157 AUD
$2,913 USD
View
B+
Retailer 6
-
$4,226 AUD
£2,332 GBP
View
B+
Retailer 7
-
$4,316 AUD
$3,025 USD
View
Retailer 8
-
$4,379 AUD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$4,609 AUD
$3,230 USD
View
B+
Retailer 10
-
$4,638 AUD
£2,559 GBP
View
B+
Retailer 11
-
$5,193 AUD
€3,466 EUR
View
B
Retailer 12
-
$5,455 AUD
ZAR 61,766 ZAR
View
B
Retailer 13
-
$7,245 AUD
£3,998 GBP
View
Most Expensive
B
NZ Jewellers
4a1feb90-d5f7-4be9-8a11-bb382d051b86 · Oct 30
$7,732 AUD
$5,419 USD
View
13 more retailers have this diamond
Prices start from $3,790 AUDSave up to $3,943 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+
1.02ct Radiant
$3,790 AUD