CaratHunter
Plans
Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 3555658587

Certificate GIA 3555658587

Diamond specifications and retailer prices

From $2,477 AUD
$1,740 USD
As of October 28, 2026
Save $2,225 AUD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,703 AUD at MOH London · As of October 29, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555658587. Listed at 7 retailers as of October 28, 2026, with prices from $2,477 to $4,703, a $2,225 spread on the same certified stone. MOH London lists it at $4,703. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555658587
Dimensions6.86 × 6.89 × 4.23 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.86 mm6.89 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555658587
Side View
Table 60.0%Crown 35.5°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
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: Oct 28
Current: $4,703 AUD|Low: $2,477 AUD|High: $5,118 AUD|Avg: $3,242 AUD|-6.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$2,477 AUD
Retailer 4$2,679 AUD
Retailer 7$2,813 AUD
Retailer 8$2,833 AUD
Retailer 3$2,911 AUD
Retailer 6$2,927 AUD
Retailer 2$3,631 AUD
MOH London$4,703 AUD

42 data points across 8 retailers

7 retailers$2,477 AUD to $4,703 AUD

A
Cheapest Retailer
-
$2,477 AUD
$1,740 USD
A
Retailer 2
-
$2,679 AUD
$1,882 USD
View
A
Retailer 3
-
$2,813 AUD
$1,976 USD
View
A
Retailer 4
-
$2,911 AUD
£1,610 GBP
View
A
Retailer 5
-
$2,927 AUD
$2,056 USD
View
B+
Retailer 6
-
$3,631 AUD
€2,429 EUR
View
Most Expensive
B
MOH London
75CC8F013 · Oct 29
$4,703 AUD
£2,601 GBP
View
6 more retailers have this diamond
Prices start from $2,477 AUDSave up to $2,225 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
$2,477 AUD