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Round|Natural|GIA

1.25ct I IF Round Natural Diamond

EX • I/IF • GIA 2131247795

Certificate GIA 2131247795

Diamond specifications and retailer prices

From $11,731 AUD
As of November 6, 2026
Save $6,038 AUD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $17,768 AUD at MOH London · As of November 2, 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 2131247795. Listed at 7 retailers as of November 2, 2026, with prices from $11,731 to $17,768, a $6,038 spread on the same certified stone. MOH London lists it at $17,768. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2131247795
Dimensions6.87 × 6.94 × 4.31 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Minor details of polish are not shown.
Top View
6.87 mm6.94 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2131247795
Side View
Table 56.0%Crown 35°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $17,768 AUD|Low: $11,731 AUD|High: $17,983 AUD|Avg: $13,934 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$11,731 AUD
Retailer 4$12,039 AUD
Retailer 3$13,823 AUD
MOH London$17,768 AUD

42 data points across 4 retailers

7 retailers$11,731 AUD to $17,768 AUD

B+
Cheapest Retailer
-
$11,731 AUD
B+
Retailer 2
-
$12,039 AUD
View
B+
Retailer 3
-
$12,822 AUD
View
B+
Retailer 4
-
$12,822 AUD
View
B+
Retailer 5
-
$13,259 AUD
View
B+
Retailer 6
-
$13,823 AUD
View
Most Expensive
B
MOH London
6785A8F60 · Nov 2
$17,768 AUD
£9,613 GBP
View
6 more retailers have this diamond
Prices start from $11,731 AUDSave up to $6,038 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.

B+
1.25ct Round
$11,731 AUD