CaratHunter
Plans
Radiant|Natural|GIA

1.25ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 7556386352

Certificate GIA 7556386352

Diamond specifications and retailer prices

From $3,545 AUD
As of November 7, 2026
Save $4,446 AUD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,992 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural radiant diamond

This 1.25ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556386352. Listed at 9 retailers as of November 5, 2026, with prices from $3,545 to $7,992, a $4,446 spread on the same certified stone. NZ Jewellers lists it at $7,992. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle56°
OriginNatural
Grading LabGIA
CertificateGIA 7556386352
Dimensions7.23 × 5.45 × 3.77 mm
L/W Ratio1.33
Key to symbols
Crystal, Needle, Cloud
Top View
7.23 mm5.45 mm1.25 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556386352
Side View
Table 64.0%CrownGirdle: MED-STKPavilion 56°Culet: NoneDepth 69.2%

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: Nov 7
Current: $7,992 AUD|Low: $2,701 AUD|High: $7,992 AUD|Avg: $4,731 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$2,701 AUD
Retailer 12$3,545 AUD
Retailer 3$3,589 AUD
Retailer 10$3,916 AUD
Retailer 11$4,107 AUD
Retailer 7$4,112 AUD
Retailer 6$4,234 AUD
Retailer 9$4,737 AUD
Retailer 8$4,899 AUD
Retailer 2$5,599 AUD
Retailer 5$7,650 AUD
NZ Jewellers$7,992 AUD

26 data points across 12 retailers

9 retailers$3,545 AUD to $7,992 AUD

Retailer 1
-
$2,701 AUD
Price last confirmed 64 days ago
A
Retailer 2
-
$3,545 AUD
View
A
Retailer 3
-
$4,107 AUD
View
A
Retailer 4
-
$4,112 AUD
View
B+
Retailer 5
-
$4,234 AUD
View
Final sale: no returns
Retailer 6
-
$4,899 AUD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$5,599 AUD
View
B
Retailer 8
-
$7,650 AUD
View
Most Expensive
B
NZ Jewellers
0ecd575d-4506-4c7a-94e4-4988bcf95470 · Nov 5
$7,992 AUD
$5,491 USD
View
8 more retailers have this diamond
Prices start from $3,545 AUDSave up to $4,446 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 Radiant
$3,545 AUD