Marquise|Natural|GIA

1.21ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6541969822

Certificate GIA 6541969822

Diamond specifications and retailer prices

From $2,697 USD
As of November 6, 2026
6 retailers carry this diamond
Most expensive: $6,485 USD at NZ Jewellers · As of September 30, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541969822. Listed at 6 retailers as of November 6, 2026. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.09°
Pavilion angle38.44°
OriginNatural
Grading LabGIA
CertificateGIA 6541969822
Dimensions11.40 × 5.31 × 3.22 mm
L/W Ratio2.15
Top View
11.40 mm5.31 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541969822
Side View
Table 57.0%Crown 39.09°Girdle: STK-THKPavilion 38.44°Culet: NoneDepth 60.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $6,485 USD|Low: $2,223 USD|High: $6,485 USD|Avg: $3,705 USD
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
October 6, 2026
Retailer 5$2,223 USD
Retailer 16$2,442 USD
Retailer 3$2,585 USD
Retailer 7$2,697 USD
Retailer 4$2,927 USD
Retailer 6$3,291 USD
Retailer 12$3,304 USD
Retailer 14$3,722 USD
Retailer 10$3,865 USD
Retailer 13$3,867 USD
Retailer 2$3,868 USD
Retailer 11$3,874 USD
Retailer 8$4,112 USD
Retailer 15$4,295 USD
Retailer 9$6,299 USD
NZ Jewellers$6,485 USD

10 data points across 16 retailers

6 retailers

B+
Cheapest Retailer
-
$2,697 USD
Retailer 2
-
$3,722 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$3,865 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$4,295 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$6,299 USD
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
fe303aa8-f6d0-4c68-8871-ee0469ae6d00 · Sep 30
$6,485 USD
View
Price last confirmed 37 days ago
5 more retailers have this diamond
Prices start from $2,697 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
$2,697 USD