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Radiant|Natural|GIA

1.25ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6562305044

Certificate GIA 6562305044

Diamond specifications and retailer prices

From $5,567 AUD
As of November 6, 2026
Save $5,081 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,648 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.25ct natural radiant diamond

This 1.25ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 6562305044. Listed at 8 retailers as of November 3, 2026, with prices from $5,567 to $10,648, a $5,081 spread on the same certified stone. NZ Jewellers lists it at $10,648. 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

1.25
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle49.53°
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 6562305044
Dimensions7.21 × 5.40 × 3.62 mm
L/W Ratio1.34
Girdle conditionThick
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.21 mm5.40 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562305044
Side View
Table 71.0%Crown 49.53°GirdlePavilion 35.73°Culet: NoneDepth 67.0%

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 6
Current: $10,648 AUD|Low: $5,567 AUD|High: $10,648 AUD|Avg: $7,295 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$5,567 AUD
Retailer 3$5,961 AUD
Retailer 6$6,111 AUD
Retailer 2$6,113 AUD
Retailer 5$6,113 AUD
Retailer 7$6,552 AUD
Retailer 4$10,221 AUD
NZ Jewellers$10,648 AUD

32 data points across 8 retailers

8 retailers$5,567 AUD to $10,648 AUD

A
Cheapest Retailer
-
$5,567 AUD
A
Retailer 2
-
$5,961 AUD
View
A
Retailer 3
-
$6,111 AUD
View
B+
Retailer 4
-
$6,113 AUD
View
B+
Retailer 5
-
$6,113 AUD
View
Retailer 6
-
$6,552 AUD
View
Price last confirmed 34 days ago
B
Retailer 7
-
$10,221 AUD
View
Most Expensive
B
NZ Jewellers
15c8cc81-2456-4590-bb2e-d54884a047cb · Nov 3
$10,648 AUD
$7,316 USD
View
7 more retailers have this diamond
Prices start from $5,567 AUDSave up to $5,081 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
1.25ct Radiant
$5,567 AUD