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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1553350131

Certificate GIA 1553350131

Diamond specifications and retailer prices

From $7,240 SGD
As of November 6, 2026
Save $1,949 SGD (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,189 SGD at Zales · As of November 5, 2026
View at Zales

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553350131. Listed at 10 retailers as of November 5, 2026, with prices from $7,240 to $9,189, a $1,949 spread on the same certified stone. Zales lists it at $9,189. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 1553350131
Dimensions10.76 × 5.58 × 3.55 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.76 mm5.58 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553350131
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 41.96°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,101 SGD|Low: $4,543 SGD|High: $9,666 SGD|Avg: $6,358 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Zales
November 5, 2026
Retailer 5$4,543 SGD
Retailer 12$5,092 SGD
Retailer 13$5,234 SGD
Retailer 9$5,355 SGD
Retailer 6$5,407 SGD
Retailer 8$5,552 SGD
Retailer 10$6,016 SGD
Retailer 2$6,380 SGD
Retailer 3$6,408 SGD
Retailer 7$6,490 SGD
Retailer 1$8,101 SGD
Retailer 11$8,355 SGD
Retailer 4$9,024 SGD
Zales$9,189 SGD

31 data points across 14 retailers

10 retailers$7,240 SGD to $9,189 SGD

Retailer 1
-
$5,234 SGD
Price last confirmed 17 days ago
Retailer 2
-
$5,355 SGD
View
Price last confirmed 15 days ago
Retailer 3
-
$5,407 SGD
View
Price last confirmed 15 days ago
Retailer 4
-
$5,552 SGD
View
Price last confirmed 15 days ago
Retailer 5
-
$6,016 SGD
View
Price last confirmed 16 days ago
Retailer 6
-
$6,380 SGD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$7,240 SGD
View
B
Retailer 8
-
$8,101 SGD
View
Retailer 9
-
$9,024 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
Zales
529733725 · Nov 5
$9,189 SGD
$7,170 USD
View
9 more retailers have this diamond
Prices start from $7,240 SGDSave up to $1,949 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
$7,240 SGD