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Marquise|Natural|GIA

1.25ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 5232854632

Certificate GIA 5232854632

Diamond specifications and retailer prices

From $3,890 AUD
As of November 2, 2026
Save $4,449 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,339 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.25ct natural marquise diamond

This 1.25ct natural marquise 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 5232854632. Listed at 7 retailers as of November 2, 2026, with prices from $3,890 to $8,339, a $4,449 spread on the same certified stone. NZ Jewellers lists it at $8,339. 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
SymmetryVery Good
FluorescenceFaint
Crown angle36.18°
Pavilion angle40.32°
OriginNatural
Grading LabGIA
CertificateGIA 5232854632
Dimensions10.76 × 5.57 × 3.50 mm
L/W Ratio1.93
Top View
10.76 mm5.57 mm1.25 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5232854632
Side View
Table 59.0%Crown 36.18°GirdlePavilion 40.32°CuletDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $8,339 AUD|Low: $3,889 AUD|High: $8,802 AUD|Avg: $5,246 AUD|-5.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 4$3,890 AUD
Retailer 6$3,989 AUD
Retailer 3$3,995 AUD
Retailer 5$4,142 AUD
Retailer 7$4,667 AUD
Retailer 9$4,752 AUD
Retailer 8$4,836 AUD
Retailer 2$6,951 AUD
NZ Jewellers$8,339 AUD

37 data points across 9 retailers

7 retailers$3,890 AUD to $8,339 AUD

A
Cheapest Retailer
-
$3,890 AUD
A
Retailer 2
-
$3,989 AUD
View
A
Retailer 3
-
$3,995 AUD
View
A
Retailer 4
-
$4,142 AUD
View
Retailer 5
-
$4,667 AUD
View
Price last confirmed 31 days ago
B
Retailer 6
-
$6,951 AUD
View
Most Expensive
B
NZ Jewellers
ba50560e-c790-4436-8c03-12132fd87dd9 · Nov 3
$8,339 AUD
$5,730 USD
View
6 more retailers have this diamond
Prices start from $3,890 AUDSave up to $4,449 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 Marquise
$3,890 AUD