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Marquise|Natural|GIA

1.21ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6541969822

Certificate GIA 6541969822

Diamond specifications and retailer prices

From $3,456 SGD
As of November 6, 2026
6 retailers carry this diamond
Most expensive: $8,311 SGD 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
Colour
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: $8,311 SGD|Low: $2,849 SGD|High: $8,311 SGD|Avg: $4,749 SGD
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$2,849 SGD
Retailer 16$3,130 SGD
Retailer 3$3,313 SGD
Retailer 7$3,456 SGD
Retailer 4$3,751 SGD
Retailer 6$4,218 SGD
Retailer 12$4,234 SGD
Retailer 14$4,770 SGD
Retailer 10$4,953 SGD
Retailer 13$4,956 SGD
Retailer 2$4,957 SGD
Retailer 11$4,965 SGD
Retailer 8$5,270 SGD
Retailer 15$5,504 SGD
Retailer 9$8,073 SGD
NZ Jewellers$8,311 SGD

10 data points across 16 retailers

6 retailers

B+
Cheapest Retailer
-
$3,456 SGD
Retailer 2
-
$4,770 SGD
View
Price last confirmed 37 days ago
Retailer 3
-
$4,953 SGD
View
Price last confirmed 37 days ago
Retailer 4
-
$5,504 SGD
View
Price last confirmed 39 days ago
Retailer 5
-
$8,073 SGD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
fe303aa8-f6d0-4c68-8871-ee0469ae6d00 · Sep 30
$8,311 SGD
$6,485 USD
View
Price last confirmed 37 days ago
5 more retailers have this diamond
Prices start from $3,456 SGD

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
$3,456 SGD