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Marquise|Natural|GIA

1.21ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 2546447470

Certificate GIA 2546447470

Diamond specifications and retailer prices

From $5,353 AUD
As of November 4, 2026
Save $7,082 AUD (57%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $12,435 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 H 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 2546447470. Listed at 30 retailers as of November 4, 2026, with prices from $5,353 to $12,435, a $7,082 spread on the same certified stone. NZ Jewellers lists it at $12,435. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.79°
Pavilion angle36.3°
OriginNatural
Grading LabGIA
CertificateGIA 2546447470
Dimensions9.85 × 5.54 × 3.47 mm
L/W Ratio1.78
Top View
9.85 mm5.54 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546447470
Side View
Table 60.0%Crown 42.79°Girdle: VTK-ETKPavilion 36.3°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $12,435 AUD|Low: $5,353 AUD|High: $12,435 AUD|Avg: $7,312 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 7, 2026
Retailer 21$5,353 AUD
Retailer 9$5,417 AUD
Retailer 22$5,634 AUD
Retailer 16$5,691 AUD
Retailer 8$5,967 AUD
Retailer 24$6,245 AUD
Retailer 15$6,427 AUD
Retailer 6$6,466 AUD
Retailer 10$6,466 AUD
Retailer 23$6,466 AUD
Retailer 7$6,484 AUD
Retailer 12$6,740 AUD
Retailer 17$6,763 AUD
Retailer 11$6,766 AUD
Retailer 18$7,018 AUD
Retailer 2$7,027 AUD
Retailer 4$7,204 AUD
Retailer 5$7,460 AUD
Retailer 19$7,580 AUD
Retailer 13$7,683 AUD
Retailer 14$8,492 AUD
Retailer 3$10,328 AUD
Retailer 20$11,338 AUD
NZ Jewellers$12,435 AUD

29 data points across 24 retailers

30 retailers$5,353 AUD to $12,435 AUD

B+
Cheapest Retailer
-
$5,353 AUD
B+
Retailer 2
-
$5,417 AUD
View
B+
Retailer 3
-
$5,577 AUD
View
B+
Retailer 4
-
$5,634 AUD
View
B+
Retailer 5
-
$5,691 AUD
View
B+
Retailer 6
-
$5,704 AUD
View
B+
Retailer 7
-
$5,900 AUD
View
B
Retailer 8
-
$5,967 AUD
View
Final sale: no returns
B
Retailer 9
-
$6,245 AUD
View
B+
Retailer 10
-
$6,427 AUD
View
B+
Retailer 11
-
$6,466 AUD
View
B+
Retailer 12
-
$6,466 AUD
View
Retailer 13
-
$6,466 AUD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$6,484 AUD
View
Retailer 15
-
$6,740 AUD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$6,763 AUD
View
B
Retailer 17
-
$6,766 AUD
View
B
Retailer 18
-
$7,018 AUD
View
B
Retailer 19
-
$7,027 AUD
View
B
Retailer 20
-
$7,190 AUD
View
B
Retailer 21
-
$7,190 AUD
View
B
Retailer 22
-
$7,204 AUD
View
B
Retailer 23
-
$7,423 AUD
View
Retailer 24
-
$7,460 AUD
View
Price last confirmed 67 days ago
B
Retailer 25
-
$7,460 AUD
View
B
Retailer 26
-
$7,580 AUD
View
B
Retailer 27
-
$7,683 AUD
View
B
Retailer 28
-
$10,328 AUD
View
B
Retailer 29
-
$11,338 AUD
View
Most Expensive
B
NZ Jewellers
22ffab32-bad0-44e1-9582-c6f93a08b4b0 · Nov 5
$12,435 AUD
$8,544 USD
View
29 more retailers have this diamond
Prices start from $5,353 AUDSave up to $7,082 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
$5,353 AUD