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Radiant|Natural|GIA

1.30ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6525939789

Certificate GIA 6525939789

Diamond specifications and retailer prices

From $3,644 AUD
$2,560 USD
As of October 28, 2026
Save $4,628 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,273 AUD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6525939789. Listed at 17 retailers as of October 28, 2026, with prices from $3,644 to $8,273, a $4,628 spread on the same certified stone. NZ Jewellers lists it at $8,273. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
Crown angle44.22°
Pavilion angle30.12°
OriginNatural
Grading LabGIA
CertificateGIA 6525939789
Dimensions6.98 × 5.51 × 3.61 mm
L/W Ratio1.27
Top View
6.98 mm5.51 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6525939789
Side View
Table 65.0%Crown 44.22°Girdle: STK-VTHPavilion 30.12°Culet: NoneDepth 65.5%

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: Oct 28
Current: $8,273 AUD|Low: $3,115 AUD|High: $8,273 AUD|Avg: $5,247 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$3,738 AUD
Retailer 8$3,970 AUD
Retailer 10$4,302 AUD
Retailer 12$4,302 AUD
Retailer 9$4,467 AUD
Retailer 4$4,469 AUD
Retailer 2$4,962 AUD
Retailer 11$4,964 AUD
Retailer 6$5,224 AUD
Retailer 3$6,852 AUD
Retailer 5$7,984 AUD
NZ Jewellers$8,273 AUD

40 data points across 12 retailers

17 retailers$3,644 AUD to $8,273 AUD

A
Cheapest Retailer
-
$3,644 AUD
$2,560 USD
A
Retailer 2
-
$3,738 AUD
$2,626 USD
View
A
Retailer 3
-
$3,852 AUD
$2,706 USD
View
A
Retailer 4
-
$3,970 AUD
$2,789 USD
View
Final sale: no returns
A
Retailer 5
-
$4,060 AUD
$2,852 USD
View
A
Retailer 6
-
$4,302 AUD
$3,022 USD
View
A
Retailer 7
-
$4,302 AUD
$3,022 USD
View
A
Retailer 8
-
$4,467 AUD
$3,138 USD
View
Retailer 9
-
$4,469 AUD
$3,139 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$4,672 AUD
$3,282 USD
View
A
Retailer 11
-
$4,697 AUD
$3,299 USD
View
A
Retailer 12
-
$4,962 AUD
£2,744 GBP
View
A
Retailer 13
-
$4,964 AUD
$3,487 USD
View
A
Retailer 14
-
$5,224 AUD
€3,495 EUR
View
B+
Retailer 15
-
$6,852 AUD
$4,813 USD
View
B
Retailer 16
-
$7,984 AUD
£4,416 GBP
View
Most Expensive
B
NZ Jewellers
af92950c-f80a-4e86-b2d0-96cefe6c7778 · Oct 30
$8,273 AUD
$5,811 USD
View
16 more retailers have this diamond
Prices start from $3,644 AUDSave up to $4,628 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
$3,644 AUD