Marquise|Natural|GIA

1.21ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5553288285

Certificate GIA 5553288285

Diamond specifications and retailer prices

From $4,577 USD
As of November 6, 2026
Save $5,121 USD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,698 USD 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553288285. Listed at 18 retailers as of November 5, 2026, with prices from $4,577 to $9,698, a $5,121 spread on the same certified stone. NZ Jewellers lists it at $9,698. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553288285
Dimensions10.72 × 5.60 × 3.53 mm
L/W Ratio1.91
Top View
10.72 mm5.60 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553288285
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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 6
Current: $9,698 USD|Low: $4,607 USD|High: $10,053 USD|Avg: $6,326 USD|-3.5%
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
November 6, 2026
Retailer 7$4,746 USD
Retailer 12$4,822 USD
Retailer 13$4,848 USD
Retailer 14$4,973 USD
Retailer 15$5,253 USD
Retailer 8$5,445 USD
Retailer 16$5,564 USD
Retailer 10$5,655 USD
Retailer 2$5,702 USD
Retailer 4$5,783 USD
Retailer 3$5,930 USD
Retailer 5$5,930 USD
Retailer 11$6,061 USD
Retailer 9$6,130 USD
Retailer 6$8,831 USD
NZ Jewellers$9,698 USD

34 data points across 16 retailers

18 retailers$4,577 USD to $9,698 USD

B+
Cheapest Retailer
-
$4,577 USD
B+
Retailer 2
-
$4,746 USD
View
B+
Retailer 3
-
$4,795 USD
View
B+
Retailer 4
-
$4,822 USD
View
B+
Retailer 5
-
$4,848 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,973 USD
View
B+
Retailer 7
-
$5,253 USD
View
B+
Retailer 8
-
$5,445 USD
View
B+
Retailer 9
-
$5,564 USD
View
B+
Retailer 10
-
$5,655 USD
View
B+
Retailer 11
-
$5,702 USD
View
B+
Retailer 12
-
$5,783 USD
View
B+
Retailer 13
-
$5,930 USD
View
B+
Retailer 14
-
$5,930 USD
View
B+
Retailer 15
-
$6,061 USD
View
B
Retailer 16
-
$6,130 USD
View
B
Retailer 17
-
$8,831 USD
View
Most Expensive
B
NZ Jewellers
17c4584b-58fd-498d-98ca-ab317c85037a · Nov 5
$9,698 USD
View
17 more retailers have this diamond
Prices start from $4,577 USDSave up to $5,121 USD

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
$4,577 USD