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Radiant|Natural|GIA

1.25ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2546935405

Certificate GIA 2546935405

Diamond specifications and retailer prices

From $4,967 AUD
As of November 6, 2026
Save $5,319 AUD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,286 AUD at MOH London · As of November 4, 2026
View at MOH London

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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546935405. Listed at 11 retailers as of November 4, 2026, with prices from $4,967 to $10,286, a $5,319 spread on the same certified stone. MOH London lists it at $10,286. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546935405
Dimensions7.21 × 5.35 × 3.60 mm
L/W Ratio1.35
Top View
7.21 mm5.35 mm1.25 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546935405
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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: $10,286 AUD|Low: $4,967 AUD|High: $10,369 AUD|Avg: $6,414 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 8$4,967 AUD
Retailer 4$4,980 AUD
Retailer 5$5,103 AUD
Retailer 9$5,197 AUD
Retailer 3$5,753 AUD
Retailer 7$6,139 AUD
Retailer 11$6,506 AUD
Retailer 12$6,506 AUD
Retailer 2$6,559 AUD
Retailer 13$6,724 AUD
Retailer 6$7,217 AUD
Retailer 10$7,325 AUD
MOH London$10,286 AUD

25 data points across 13 retailers

11 retailers$4,967 AUD to $10,286 AUD

A
Cheapest Retailer
-
$4,967 AUD
A
Retailer 2
-
$4,980 AUD
View
A
Retailer 3
-
$5,103 AUD
View
A
Retailer 4
-
$6,139 AUD
View
A
Retailer 5
-
$6,506 AUD
View
A
Retailer 6
-
$6,506 AUD
View
A
Retailer 7
-
$6,559 AUD
View
A
Retailer 8
-
$6,724 AUD
View
A
Retailer 9
-
$7,217 AUD
View
Retailer 10
-
$7,325 AUD
View
Price last confirmed 15 days ago
Most Expensive
B+
MOH London
F65523EFA · Nov 4
$10,286 AUD
£5,565 GBP
View
10 more retailers have this diamond
Prices start from $4,967 AUDSave up to $5,319 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
$4,967 AUD