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Radiant|Natural|GIA

1.30ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2245055745

Certificate GIA 2245055745

Diamond specifications and retailer prices

From $5,290 AUD
As of November 6, 2026
Save $7,268 AUD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,559 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245055745. Listed at 9 retailers as of November 5, 2026, with prices from $5,290 to $12,559, a $7,268 spread on the same certified stone. NZ Jewellers lists it at $12,559. 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

1.30
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle60.68°
OriginNatural
Grading LabGIA
CertificateGIA 2245055745
Dimensions7.14 × 5.51 × 3.83 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle, Cloud
Top View
7.14 mm5.51 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245055745
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 60.68°Culet: NoneDepth 69.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $12,559 AUD|Low: $5,290 AUD|High: $12,759 AUD|Avg: $8,377 AUD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 7$5,290 AUD
Retailer 5$6,725 AUD
Retailer 2$7,038 AUD
Retailer 6$7,209 AUD
Retailer 8$7,209 AUD
Retailer 9$7,645 AUD
Retailer 3$7,657 AUD
Retailer 4$11,419 AUD
NZ Jewellers$12,559 AUD

45 data points across 9 retailers

9 retailers$5,290 AUD to $12,559 AUD

A
Cheapest Retailer
-
$5,290 AUD
B+
Retailer 2
-
$6,725 AUD
View
B+
Retailer 3
-
$7,038 AUD
View
B+
Retailer 4
-
$7,209 AUD
View
B+
Retailer 5
-
$7,209 AUD
View
B+
Retailer 6
-
$7,645 AUD
View
Retailer 7
-
$7,657 AUD
View
B
Retailer 8
-
$11,419 AUD
View
Most Expensive
B
NZ Jewellers
dccf0359-6b44-4101-a283-4ab68cfd0063 · Nov 5
$12,559 AUD
$8,629 USD
View
8 more retailers have this diamond
Prices start from $5,290 AUDSave up to $7,268 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
1.30ct Radiant
$5,290 AUD