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Round|Natural|GIA

1.25ct I IF Round Natural Diamond

EX • I/IF • GIA 5241008627

Certificate GIA 5241008627

Diamond specifications and retailer prices

From $5,180 AUD
As of November 6, 2026
Save $4,605 AUD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,170 AUD at MOH London · As of October 19, 2026
View at MOH London

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5241008627. Listed at 6 retailers as of November 2, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5241008627
Dimensions6.79 × 6.84 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.79 mm6.84 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241008627
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A+
Exceptional
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: $13,170 AUD|Low: $5,162 AUD|High: $13,170 AUD|Avg: $9,109 AUD|+5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$5,180 AUD
Retailer 2$5,833 AUD
Retailer 5$7,983 AUD
Retailer 6$8,268 AUD
Retailer 7$9,258 AUD
Retailer 3$9,785 AUD
MOH London$13,170 AUD

31 data points across 7 retailers

6 retailers$5,180 AUD to $9,785 AUD

A+
Cheapest Retailer
-
$5,180 AUD
A
Retailer 2
-
$5,833 AUD
View
Retailer 3
-
$7,983 AUD
View
Price last confirmed 17 days ago
Retailer 4
-
$8,268 AUD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$9,785 AUD
View
Most Expensive
MOH London
8B871E421 · Oct 19
$13,170 AUD
£7,125 GBP
View
Price last confirmed 18 days ago
5 more retailers have this diamond
Prices start from $5,180 AUDSave up to $4,605 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 Round
$5,180 AUD