Marquise|Natural|GIA

1.21ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6551248081

Certificate GIA 6551248081

Diamond specifications and retailer prices

From $2,768 USD
As of November 4, 2026
Save $2,181 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,949 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551248081. Listed at 12 retailers as of November 4, 2026, with prices from $2,768 to $4,949, a $2,181 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,949. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551248081
Dimensions11.26 × 5.48 × 3.32 mm
L/W Ratio2.05
Top View
11.26 mm5.48 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551248081
Side View
Table 58.0%Crown 39.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,048 USD|Low: $2,768 USD|High: $5,354 USD|Avg: $3,549 USD|+2.9%
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 6$2,768 USD
Retailer 5$2,835 USD
Retailer 7$2,985 USD
Retailer 1$3,048 USD
Retailer 4$3,232 USD
Retailer 2$3,334 USD
Retailer 8$3,550 USD
Retailer 9$3,559 USD
Retailer 10$3,643 USD
Retailer 3$3,680 USD
Wholesale Diamonds Direct$4,949 USD

41 data points across 11 retailers

12 retailers$2,768 USD to $4,949 USD

A
Cheapest Retailer
-
$2,768 USD
A
Retailer 2
-
$2,835 USD
View
A
Retailer 3
-
$2,985 USD
View
B+
Retailer 4
-
$3,048 USD
View
A
Retailer 5
-
$3,232 USD
View
B+
Retailer 6
-
$3,334 USD
View
B+
Retailer 7
-
$3,550 USD
View
B+
Retailer 8
-
$3,559 USD
View
B+
Retailer 9
-
$3,643 USD
View
B+
Retailer 10
-
$3,680 USD
View
B
Retailer 11
-
$3,945 USD
View
Most Expensive
B
Wholesale Diamonds Direct
378733586 · Nov 6
$4,949 USD
View
11 more retailers have this diamond
Prices start from $2,768 USDSave up to $2,181 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.

A
1.21ct Marquise
$2,768 USD