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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2225951226

Certificate GIA 2225951226

Diamond specifications and retailer prices

From $5,247 AUD
£2,902 GBP
As of November 1, 2026
Save $3,202 AUD (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,449 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2225951226. Listed at 3 retailers as of November 1, 2026, with prices from $5,247 to $8,449, a $3,202 spread on the same certified stone. MOH London lists it at $8,449. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2225951226
Dimensions6.87 × 6.84 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal
Top View
6.87 mm6.84 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225951226
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,449 AUD|Low: $3,885 AUD|High: $8,449 AUD|Avg: $5,102 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$3,885 AUD
Retailer 6$4,484 AUD
Retailer 7$4,745 AUD
Retailer 8$5,017 AUD
Retailer 3$5,247 AUD
Retailer 2$5,544 AUD
Retailer 5$6,126 AUD
MOH London$8,449 AUD

81 data points across 8 retailers

3 retailers$5,247 AUD to $8,449 AUD

B
Cheapest Retailer
-
$5,247 AUD
£2,902 GBP
B
Retailer 2
-
$5,544 AUD
€3,709 EUR
View
Most Expensive
C
MOH London
3400675A7 · Nov 1
$8,449 AUD
£4,673 GBP
View
2 more retailers have this diamond
Prices start from $5,247 AUDSave up to $3,202 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
$5,247 AUD