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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1567588621

Certificate GIA 1567588621

Diamond specifications and retailer prices

From $7,647 AUD
As of November 4, 2026
Save $6,254 AUD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $13,901 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567588621. Listed at 15 retailers as of November 4, 2026, with prices from $7,647 to $13,901, a $6,254 spread on the same certified stone. Wholesale Diamonds Direct lists it at $13,901. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.76°
Pavilion angle40.69°
OriginNatural
Grading LabGIA
CertificateGIA 1567588621
Dimensions10.43 × 5.51 × 3.55 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.43 mm5.51 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567588621
Side View
Table 60.0%Crown 39.76°Girdle: MED-THKPavilion 40.69°Culet: NoneDepth 64.4%

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 4
Current: $10,838 AUD|Low: $7,647 AUD|High: $13,901 AUD|Avg: $9,674 AUD
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$7,647 AUD
Retailer 10$7,782 AUD
Retailer 12$7,856 AUD
Retailer 9$8,002 AUD
Retailer 14$8,089 AUD
Retailer 13$8,201 AUD
Retailer 6$8,274 AUD
Retailer 8$8,641 AUD
Retailer 4$9,668 AUD
Retailer 7$9,696 AUD
Retailer 2$9,710 AUD
Retailer 1$10,838 AUD
Retailer 3$12,551 AUD
Retailer 11$13,176 AUD
Wholesale Diamonds Direct$13,901 AUD

23 data points across 15 retailers

15 retailers$7,647 AUD to $13,901 AUD

B+
Cheapest Retailer
-
$7,647 AUD
B+
Retailer 2
-
$7,782 AUD
View
B+
Retailer 3
-
$7,856 AUD
View
B+
Retailer 4
-
$8,002 AUD
View
B+
Retailer 5
-
$8,089 AUD
View
B+
Retailer 6
-
$8,201 AUD
View
B+
Retailer 7
-
$8,274 AUD
View
B+
Retailer 8
-
$8,641 AUD
View
B
Retailer 9
-
$9,668 AUD
View
B
Retailer 10
-
$9,696 AUD
View
B
Retailer 11
-
$9,710 AUD
View
B
Retailer 12
-
$10,838 AUD
View
B
Retailer 13
-
$12,551 AUD
View
B
Retailer 14
-
$13,176 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
545946513 · Nov 6
$13,901 AUD
$9,551 USD
View
14 more retailers have this diamond
Prices start from $7,647 AUDSave up to $6,254 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
$7,647 AUD