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Radiant|Natural|GIA

1.25ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 7556386352

Certificate GIA 7556386352

Diamond specifications and retailer prices

From $4,394 NZD
As of November 7, 2026
Save $5,511 NZD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,905 NZD 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 $4,394 to $9,905, a $5,511 spread on the same certified stone. NZ Jewellers lists it at $9,905. 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: $9,905 NZD|Low: $3,348 NZD|High: $9,905 NZD|Avg: $5,863 NZD
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$3,348 NZD
Retailer 12$4,394 NZD
Retailer 3$4,448 NZD
Retailer 10$4,854 NZD
Retailer 11$5,091 NZD
Retailer 7$5,096 NZD
Retailer 6$5,248 NZD
Retailer 9$5,872 NZD
Retailer 8$6,072 NZD
Retailer 2$6,940 NZD
Retailer 5$9,481 NZD
NZ Jewellers$9,905 NZD

26 data points across 12 retailers

9 retailers$4,394 NZD to $9,905 NZD

Retailer 1
-
$3,348 NZD
Price last confirmed 64 days ago
A
Retailer 2
-
$4,394 NZD
View
A
Retailer 3
-
$5,091 NZD
View
A
Retailer 4
-
$5,096 NZD
View
B+
Retailer 5
-
$5,248 NZD
View
Final sale: no returns
Retailer 6
-
$6,072 NZD
View
Price last confirmed 31 days ago
B+
Retailer 7
-
$6,940 NZD
View
B
Retailer 8
-
$9,481 NZD
View
Most Expensive
B
NZ Jewellers
0ecd575d-4506-4c7a-94e4-4988bcf95470 · Nov 5
$9,905 NZD
$5,491 USD
View
8 more retailers have this diamond
Prices start from $4,394 NZDSave up to $5,511 NZD

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
$4,394 NZD