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Marquise|Natural|GIA

1.21ct I SI2 Marquise Natural Diamond

ID • I/SI2 • GIA 7541524288

Certificate GIA 7541524288

Diamond specifications and retailer prices

From $6,110 AUD
As of November 5, 2026
Save $6,821 AUD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,931 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541524288. Listed at 13 retailers as of November 5, 2026, with prices from $6,110 to $12,931, a $6,821 spread on the same certified stone. NZ Jewellers lists it at $12,931. 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

1.21
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7541524288
Dimensions10.86 × 5.65 × 3.46 mm
L/W Ratio1.92
Top View
10.86 mm5.65 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7541524288
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,931 AUD|Low: $6,110 AUD|High: $13,694 AUD|Avg: $8,711 AUD|-5.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 13$6,110 AUD
Retailer 5$6,324 AUD
Retailer 8$6,382 AUD
Retailer 4$6,548 AUD
Retailer 9$6,638 AUD
Retailer 10$7,005 AUD
Retailer 11$7,382 AUD
Retailer 15$7,418 AUD
Retailer 12$7,859 AUD
Retailer 2$8,082 AUD
Retailer 3$9,034 AUD
Retailer 6$9,955 AUD
Retailer 7$10,290 AUD
Retailer 14$11,193 AUD
NZ Jewellers$12,931 AUD

10 data points across 15 retailers

13 retailers$6,110 AUD to $12,931 AUD

B+
Cheapest Retailer
-
$6,110 AUD
B+
Retailer 2
-
$6,324 AUD
View
B+
Retailer 3
-
$6,382 AUD
View
B+
Retailer 4
-
$6,548 AUD
View
B+
Retailer 5
-
$6,638 AUD
View
B+
Retailer 6
-
$7,005 AUD
View
B
Retailer 7
-
$7,382 AUD
View
Retailer 8
-
$7,418 AUD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$7,859 AUD
View
B
Retailer 10
-
$8,082 AUD
View
Retailer 11
-
$9,034 AUD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$11,193 AUD
View
Most Expensive
B
NZ Jewellers
6f38669e-6afc-415b-911d-f0ae30f19878 · Nov 5
$12,931 AUD
$8,885 USD
View
12 more retailers have this diamond
Prices start from $6,110 AUDSave up to $6,821 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+
1.21ct Marquise
$6,110 AUD