Round|Natural|GIA

1.25ct E IF Round Natural Diamond

EX • E/IF • GIA 1156206509

Certificate GIA 1156206509

Diamond specifications and retailer prices

From $14,168 AUD
$9,929 USD
As of November 2, 2026
Save $7,178 AUD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $21,345 AUD at MOH London · As of November 1, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1156206509. Listed at 7 retailers as of November 1, 2026, with prices from $14,168 to $21,345, a $7,178 spread on the same certified stone. MOH London lists it at $21,345. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1156206509
Dimensions7.07 × 7.01 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.07 mm7.01 mm1.25 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1156206509
Side View
Table 60.0%Crown 32°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 59.5%

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 2
Current: $21,345 AUD|Low: $14,168 AUD|High: $21,789 AUD|Avg: $17,089 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$14,168 AUD
Retailer 2$14,858 AUD
Retailer 5$15,039 AUD
Retailer 7$16,302 AUD
Retailer 4$16,719 AUD
Retailer 3$17,146 AUD
MOH London$21,345 AUD

41 data points across 7 retailers

7 retailers$14,168 AUD to $21,345 AUD

A
Cheapest Retailer
-
$14,168 AUD
$9,929 USD
A+
Retailer 2
-
$14,858 AUD
£8,199 GBP
View
Retailer 3
-
$15,039 AUD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$16,302 AUD
$11,425 USD
View
A
Retailer 5
-
$16,719 AUD
$11,717 USD
View
A
Retailer 6
-
$17,146 AUD
€11,444 EUR
View
Most Expensive
B+
MOH London
FAE68DF5E · Nov 1
$21,345 AUD
£11,779 GBP
View
6 more retailers have this diamond
Prices start from $14,168 AUDSave up to $7,178 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
$14,168 AUD