Radiant|Natural|GIA

1.25ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 7518348685

Certificate GIA 7518348685

Diamond specifications and retailer prices

From $4,991 AUD
As of November 6, 2026
Save $4,423 AUD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,414 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 I 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 7518348685. Listed at 10 retailers as of November 6, 2026, with prices from $4,991 to $9,414, a $4,423 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,414. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7518348685
Dimensions6.98 × 5.37 × 3.71 mm
L/W Ratio1.30
Culet sizeNone
Top View
6.98 mm5.37 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518348685
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

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: $6,922 AUD|Low: $4,707 AUD|High: $7,495 AUD|Avg: $6,068 AUD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$4,991 AUD
Retailer 3$5,177 AUD
Retailer 5$5,606 AUD
Retailer 6$6,418 AUD
Retailer 1$6,922 AUD
Retailer 2$7,393 AUD

42 data points across 6 retailers

10 retailers$4,991 AUD to $9,414 AUD

A
Cheapest Retailer
-
$4,991 AUD
A
Retailer 2
-
$5,005 AUD
View
A
Retailer 3
-
$5,129 AUD
View
A
Retailer 4
-
$5,177 AUD
View
Final sale: no returns
B+
Retailer 5
-
$5,606 AUD
View
B
Retailer 6
-
$6,418 AUD
View
B
Retailer 7
-
$6,922 AUD
View
B
Retailer 8
-
$7,393 AUD
View
B
Retailer 9
-
$7,660 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
136895237 · Nov 6
$9,414 AUD
$6,468 USD
View
9 more retailers have this diamond
Prices start from $4,991 AUDSave up to $4,423 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
$4,991 AUD