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Marquise|Natural|GIA

1.21ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2241069318

Certificate GIA 2241069318

Diamond specifications and retailer prices

From $3,785 AUD
As of November 5, 2026
Save $3,727 AUD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,513 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2241069318. Listed at 11 retailers as of November 5, 2026, with prices from $3,785 to $7,513, a $3,727 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,513. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.79°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2241069318
Dimensions10.52 × 5.55 × 3.56 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.52 mm5.55 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2241069318
Side View
Table 58.0%Crown 39.79°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.1%

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 5
Current: $4,516 AUD|Low: $3,765 AUD|High: $7,811 AUD|Avg: $5,428 AUD|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$3,785 AUD
Retailer 6$4,189 AUD
Retailer 3$4,454 AUD
Retailer 1$4,516 AUD
Retailer 2$4,665 AUD
Retailer 10$5,044 AUD
Retailer 8$5,375 AUD
Retailer 9$5,488 AUD
Retailer 4$5,571 AUD
Retailer 7$7,066 AUD
Wholesale Diamonds Direct$7,513 AUD

28 data points across 11 retailers

11 retailers$3,785 AUD to $7,513 AUD

A
Cheapest Retailer
-
$3,785 AUD
A
Retailer 2
-
$4,189 AUD
View
A
Retailer 3
-
$4,454 AUD
View
A
Retailer 4
-
$4,516 AUD
View
B+
Retailer 5
-
$4,665 AUD
View
B+
Retailer 6
-
$5,044 AUD
View
B+
Retailer 7
-
$5,375 AUD
View
B+
Retailer 8
-
$5,488 AUD
View
B+
Retailer 9
-
$5,571 AUD
View
B
Retailer 10
-
$7,066 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
643534456 · Nov 6
$7,513 AUD
$5,162 USD
View
10 more retailers have this diamond
Prices start from $3,785 AUDSave up to $3,727 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
1.21ct Marquise
$3,785 AUD